Biochemical ratio of water quality

Biochemical ratio of water quality, Total:484 items.

In the international standard classification, Biochemical ratio of water quality involves: Tea. Coffee. Cocoa, Water quality, Products of the chemical industry, Beverages, Vocabularies, Air quality, Microbiology, Analytical chemistry, Environmental protection, Non-metalliferous minerals, Inorganic chemicals, Fruits. Vegetables, Construction materials, Farming and forestry, ENVIRONMENT. HEALTH PROTECTION. SAFETY, Geology. Meteorology. Hydrology, Energy and heat transfer engineering in general, Testing of metals, Soil quality. Pedology, Non-ferrous metals, Equipment for the chemical industry, Petroleum products in general, Protection against dangerous goods, Metalliferous minerals.

RU-GOST R, Biochemical ratio of water quality

GOST R 53068-2008 Green coffee. Determination of moisture mass fraction at 105 °C
GOST R 52934-2008 Grain starch-containing raw material for production of ethanol. Methods for determination of fermented carbohydrates mass fraction
GOST R ISO 13833-2016 Stationary source emissions. Determination of the ratio of biomass (biogenic) and fossil-derived carbon dioxide. Radiocarbon sampling and determination
GOST R ISO 9439-2016 Water quality. Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium. Carbon dioxide evaluation test
GOST R ISO 10634-2016 Water quality. Guidance for the preparation and treatment of poorly water-soluble organic compounds for the subsequent evaluation of their biodegradability in an aqueous medium

RO-ASRO, Biochemical ratio of water quality

STAS SR 13328-1996 Water Quality - Aquatic organisms tests. Pollutants toxicity determinations compared to green algae
STAS SR ISO 10260:1996 Water quality - Measurement of biochemical parameters -Spectrometric determination of the chlorophylle - a concentration

Spanish Association for Standardization (UNE), Biochemical ratio of water quality

UNE 77043:2002 Water quality. Sulphide determination. Iodometric and colorimetric method.
UNE 77043:2019 Water quality. Sulphide determination. Iodometric and colorimetric method.
UNE 77051:2002 Water quality. Silica determination. Colorimetric method with molybdic silicate.
UNE 77051:2019 Water quality. Silica determination. Colorimetric method with molybdic silicate.
UNE 77045:2002 Water quality. Iodide determinarion. Colorimetric method with leuco violet glass.
UNE-EN 16101:2013 Water quality - Guidance standard on interlaboratory comparison studies for ecological assessment
UNE 77059:2002 Water quality. Aluminiun determination. Colorimetric method with eriocromocianine R.
UNE-EN ISO 17994:2014 Water quality - Requirements for the comparison of the relative recovery of microorganisms by two quantitative methods (ISO 17994:2014)
UNE-EN 14996:2007 Water quality - Guidance on assuring the quality of biological and ecological assessments in the aquatic environment
UNE-EN ISO 13833:2013 Stationary source emissions - Determination of the ratio of biomass (biogenic) and fossil-derived carbon dioxide - Radiocarbon sampling and determination (ISO 13833:2013)
UNE 77060:2002 Water quality. Manganese determination. Colorimetric method with ammonic persulfate.
UNE-EN 16150:2012 Water quality - Guidance on pro-rata Multi-Habitat sampling of benthic macro-invertebrates from wadeable rivers
UNE 77049:2019 Water quality. Sulphate determination. Turbidimetric method.
UNE 77049:2002 Water quality. Sulphate determination. Turbidimetric method.
UNE-EN ISO 10707:1998 WATER QUALITY. EVALUATION IN AN AQUEOUS MEDIUM OF THE "ULTIMATE" AEROBIC BIODEGRADABILITY OF ORGANIC COMPOUNDS. METHOD BY ANALYSIS OF BIOCHEMICAL OXYGEN DEMAND (CLOSED BOTTLE TEST). (ISO 10707:1994).
UNE-ENV 12142:1997 Fruit and vegetable juices - Determination of the stable hydrogen isotope ratio (2H/1H) of water from fruit juices - Method using isotope ratio mass spectrometry
UNE-EN ISO 9509:1995 WATER QUALITY. METHOD FOR ASSESSING THE INHIBITION OF NITRIFICATION OF ACTIVATED SLUDGE MICRO-ORGANISMS BY CHEMICALS AND WASTE WATER. (ISO 9509:1989)
UNE-EN ISO 10634:2020 Water quality - Preparation and treatment of poorly water-soluble organic compounds for the subsequent evaluation of their biodegradability in an aqueous medium (ISO 10634: 2018)
UNE 77061:2002 Water quality. Chromiun determination. Colorimetric method with diphenyl carbazide .
UNE 77028:2002 Water quality. Determination of ammonium nitrogen. Destillation and titrimetric method, or colorimetric method.
UNE-EN ISO 9439:2000 WATER QUALITY. EVALUATION OF ULTIMATE AEROBIC BIODEGRADABILITY OF ORGANIC COMPOUNDS IN AQUEOUS MEDIUM. CARBON DIOXIDE EVOLUTION TEST. (ISO 9439:1999)
UNE 34103:2022 Fruit and vegetable juices. Determination of the stable oxygen isotope ratio (18O/16O) of water from fruit juices. Method using isotope ratio mass spectrometry.

GSO, Biochemical ratio of water quality

GSO ISO 3566:2013 Sodium fluoride primarily used for the production of aluminium -- Determination of chlorides content -- Turbidimetric method
BH GSO ISO 13833:2017 Stationary source emissions -- Determination of the ratio of biomass (biogenic) and fossil-derived carbon dioxide -- Radiocarbon sampling and determination
BH GSO ISO 17994:2017 Water quality -- Requirements for the comparison of the relative recovery of microorganisms by two quantitative methods
GSO ISO 13833:2015 Stationary source emissions -- Determination of the ratio of biomass (biogenic) and fossil-derived carbon dioxide -- Radiocarbon sampling and determination
OS GSO ISO 13833:2015 Stationary source emissions -- Determination of the ratio of biomass (biogenic) and fossil-derived carbon dioxide -- Radiocarbon sampling and determination
OS GSO ISO 17994:2015 Water quality -- Requirements for the comparison of the relative recovery of microorganisms by two quantitative methods
GSO ISO/TS 20612:2013 Water quality -- Interlaboratory comparisons for proficiency testing of analytical chemistry laboratories
OS GSO ISO/TS 20612:2013 Water quality -- Interlaboratory comparisons for proficiency testing of analytical chemistry laboratories
GSO ISO 9439:2013 Water quality - Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium - Carbon dioxide evolution test
BH GSO ISO 10707:2016 Water quality -- Evaluation in an aqueous medium of the "ultimate" aerobic biodegradability of organic compounds -- Method by analysis of biochemical oxygen demand (closed bottle test)
GSO ISO 10707:2013 Water quality -- Evaluation in an aqueous medium of the "ultimate" aerobic biodegradability of organic compounds -- Method by analysis of biochemical oxygen demand (closed bottle test)
BH GSO ISO 10708:2016 Water quality -- Evaluation in an aqueous medium of the ultimate aerobic biodegradability of organic compounds -- Determination of biochemical oxygen demand in a two-phase closed bottle test
GSO ISO 10708:2013 Water quality -- Evaluation in an aqueous medium of the ultimate aerobic biodegradability of organic compounds -- Determination of biochemical oxygen demand in a two-phase closed bottle test
GSO ISO 11349:2013 Water quality - Determination of low-volatility lipophilic substances - Gravimetric method
GSO ISO 17994:2015 Water quality -- Requirements for the comparison of the relative recovery of microorganisms by two quantitative methods
GSO ISO 23893-3:2015 Water quality -- Biochemical and physiological measurements on fish -- Part 3: Determination of vitellogenin
BH GSO ISO 23893-3:2017 Water quality -- Biochemical and physiological measurements on fish -- Part 3: Determination of vitellogenin
OS GSO ISO 23893-3:2015 Water quality -- Biochemical and physiological measurements on fish -- Part 3: Determination of vitellogenin
GSO ISO 10634:2013 Water quality -- Guidance for the preparation and treatment of poorly water-soluble organic compounds for the subsequent evaluation of their biodegradability in an aqueous medium
GSO ISO 9887:2013 Water quality - Evaluation of the aerobic biodegradability of organic compounds in an aqueous medium - Semi-continuous activated sludge method (SCAS)
BH GSO ISO 9888:2016 Water quality - Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium - Static test (Zahn-Wellens method)
OS GSO ISO 9888:2013 Water quality - Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium - Static test (Zahn-Wellens method)
GSO ISO 9888:2013 Water quality - Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium - Static test (Zahn-Wellens method)
GSO ISO 14442:2013 Water quality -- Guidelines for algal growth inhibition tests with poorly soluble materials, volatile compounds, metals and waste water
OS GSO ISO 3566:2013 Sodium fluoride primarily used for the production of aluminium -- Determination of chlorides content -- Turbidimetric method
BH GSO ISO 14442:2016 Water quality -- Guidelines for algal growth inhibition tests with poorly soluble materials, volatile compounds, metals and waste water
BH GSO ISO 3566:2016 Sodium fluoride primarily used for the production of aluminium -- Determination of chlorides content -- Turbidimetric method
GSO ISO 16191:2015 Water quality -- Determination of the toxic effect of sediment on the growth behaviour of Myriophyllum aquaticum
OS GSO ISO 14442:2013 Water quality -- Guidelines for algal growth inhibition tests with poorly soluble materials, volatile compounds, metals and waste water
OS GSO ISO/TS 13530:2013 Water quality -- Guidance on analytical quality control for chemical and physicochemical water analysis

Shanghai Provincial Standard of the People's Republic of China, Biochemical ratio of water quality

DB31/ 62-1991 Hygienic standards for purified drinking water
DB31/T 1091-2018 Drinking Water Quality Standards

British Standards Institution (BSI), Biochemical ratio of water quality

BS EN 12126:2005 Chemicals used for treatment of water intended for human consumption — Liquefied ammonia
BS EN 937:2009 Chemicals used for treatment of water intended for human consumption - Chlorine
BS EN 13176:2015 Chemicals used for treatment of water intended for human consumption. Ethanol
BS EN 13194:2008 Chemicals used for treatment of water intended for human consumption - Acetic acid
BS EN 13176:2008 Chemicals used for treatment of water intended for human consumption - Ethanol
BS EN 16101:2012 Water quality. Guidance standard on interlaboratory comparison studies for ecological assessment
BS EN 12386:2006 Chemicals used for treatment of water intended for human consumption. Copper sulfate
BS EN 12386:2005 Chemicals used for treatment of water intended for human consumption — Copper sulfate
BS EN 12122:2005 Chemicals used for treatment of water intended for human consumption — Ammonia solution
BS EN 1405:2009 Chemicals used for treatment of water intended for human consumption - Sodium alginate
BS EN 12386:2012 Chemicals used for treatment of water intended for human consumption. Copper sulfate
BS EN 12122:2005(2006) Chemicals used for treatment of water intended for human consumption — Ammonia solution
BS EN 12678:2016 Chemical used for treatment of water intended for human consumption. Potassium peroxomonosulfate
BS EN 12678:2008 Chemicals used for treatment of water intended for human consumption - Potassium peroxomonosulfate
BS 6068-2.19:1986 Water quality. Physical, chemical and biochemical methods. Method for determination of cyanogen chloride
BS EN ISO 17994:2014 Water quality. Requirements for the comparison of the relative recovery of microorganisms by two quantitative method
BS EN 12124:2006 Chemicals used for treatment of water intended for human consumption. Sodium sulfite
BS EN 1406:2009 Chemicals used for treatment of water intended for human consumption - Modified starches
BS EN 12124:2005 Chemicals used for treatment of water intended for human consumption — Sodium sulfite
BS EN 901:2007 Chemicals used for treatment of water intended for human consumption - Sodium hypochlorite
BS EN 14996:2006 Water quality. Guidance on assuring the quality of biological and ecological assessments in the aquatic environment
BS EN 12125:2006 Chemicals used for treatment of water intended for human consumption. Sodium thiosulfate
BS EN 12125:2005 Chemicals used for treatment of water intended for human consumption — Sodium thiosulfate
BS EN 12125:2012 Chemicals used for treatment of water intended for human consumption. Sodium thiosulfate
BS ISO 23893-3:2013 Water quality. Biochemical and physiological measurements on fish. Determination of vitellogenin
BS EN 12174:2006 Chemicals used for treatment of water intended for human consumption - Sodium hexafluorosilicate
BS 6068-2.41:1993 Water quality. Physical, chemical and biochemical methods. Determination of fluoride: electrochemical probe method for potable and lightly polluted water
BS 6068-2.12:1990 Water quality. Physical, chemical and biochemical methods. Determination of phenol index: 4-aminoantipyrine (4-aminophenazone) spectrometric methods after distillation
BS EN ISO 10707:1998 Water quality. Evaluation in an aqueous medium of the 'ultimate' aerobic biodegradability of organic compounds. Method by analysis of biochemical oxygen demand (closed bottle test)
BS EN ISO 10707:1998(2008)*BS 6068-5.16:1995 Water quality — Evaluation in an aqueous medium of the "ultimate" aerobic biodegradability of organic compounds — Method by analysis of biochemical oxygen demand (closed bottle test)
BS EN ISO 9439:2001 Water quality. Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium. Carbon dioxide evolution test
BS EN 14996:2006*BS 6068-5.42:2006 Water quality - Guidance on assuring the quality of biological and ecological assessments in the aquatic environment
BS EN 13752:2003 Products used for treatment of water intended for human consumption - Manganese dioxide
BS EN ISO 10707:1995 Water quality - Evaluation in an aqueous medium of the 'ultimate' aerobic biodegradability of organic compounds - Method by analysis of biochemical oxygen demand (closed bottle test)
BS EN 1410:1998 Chemicals used for treatment of water intended for human consumption - Cationic polyacrylamides
BS ISO 10260:1992(2014) Water quality — Measurement of biochemical parameters — Spectrometric determination of the chlorophyll - a concentration
BS ISO 23893-1:2007 Water quality - Biochemical and physiological measurements on fish - Sampling of fish, handling and preservation of samples
BS EN ISO 10634:1996 Water quality. Guidance for the preparation and treatment of poorly water-soluble organic compounds for the subsequent evaluation of their biodegradability in an aqueous medium
BS 6068-2.36:1989 Water quality. Physical, chemical and biochemical methods. Spectrometric method for the determination of nitrate using sulphosalicylic acid
BS EN ISO 11733:2004(2008) Water quality - Determination of the elimination and biodegradability of organic compounds in an aqueous medium - Activated sludge simulation test
BS EN ISO 10634:2018 Water quality. Preparation and treatment of poorly water-soluble organic compounds for the subsequent evaluation of their biodegradability in an aqueous medium
BS EN 973:2009 Chemicals used for treatment of water intended for human consumption - Sodium chloride for regeneration of ion exchangers
BS EN 973:2002 Chemicals used for treatment of water intended for human consumption - Sodium chloride for regeneration of ion exchangers
BS EN ISO 9887:1995 Water quality. Evaluation of the aerobic biodegradability of organic compounds in an aqueous medium. Semi-continuous activated sludge method (SCAS)
BS EN ISO 9887:1995(2008)*BS 6068-5.14:1995 Water quality — Evaluation of the aerobic biodegradability of organic compounds in an aqueous medium — Semi - continuous activated sludge method (SCAS)
BS EN ISO 11733:2004 Water quality. Determination of the elimination and biodegradability of organic compounds in an aqueous medium. Activated sludge simulation test
DD ISO/TS 23893-2:2007 Water quality. Biochemical and physiological measurements on fish. Determination of ethoxyresorufin-O-deethylase (EROD)
BS 6068-2.48:1995 Water quality. Physical, chemical and biochemical methods. Determination of inorganically bound total fluoride after digestion and distillation
BS EN ISO 9888:1999 Water quality. Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium. Static test (Zahn-Wellens method)
BS EN ISO 19458:2006 Water quality - Sampling for microbiological analysis
ISO 5815-2:2003 (R08) Ed 1 Water quality. Determination of biochemical oxygen demand after n days (BODn) - Method for Undiluted samples
BS ISO 10260:1992 Water quality. Measurement of biochemical parameters. Spectrometric determination of the chlorophyll-a concentration
22/30430275 DC BS ISO 4979. Water quality. Aquatic toxicity test based on root re-growth in Lemna minor
BS 6068-2.34:1988(2011) Water quality — Part 2 : Physical, chemical and biochemical methods — Section 2.34 Method for the determination of the chemical oxygen demand
BS EN 26777:1993 Water quality. Physical, chemical and biochemical methods. Determination of nitrite: molecular absorption spectrometric method
BS EN 1899-2:1998 Water quality. Determination of biochemical oxygen demand after n days (BODn). Method for undiluted samples
BS EN ISO 11733:2005 Water quality - Determination of the elimination and biodegradability of organic compounds in an aqueous medium - Activated sludge simulation test
BS DD ISO/TS 23893-2:2008 Water quality - Biochemical and physiological measurements on fish - Determination of ethoxyresorufin-O-deethylase (EROD)
BS DD ENV ISO/TR 13843:2001 Water quality - Guidance on validation of microbiological methods

Association Francaise de Normalisation, Biochemical ratio of water quality

NF EN 16101:2012 Water quality - Guide for interlaboratory comparative studies aimed at ecological assessment
NF EN ISO 17994:2014 Water quality - Requirements for comparison of relative performance of microorganisms by two quantitative methods
NF T90-700*NF EN 16101:2012 Water quality - Guidance standard on interlaboratory comparison studies for ecological assessment
NF T90-462*NF EN ISO 17994:2014 Water quality - Requirements for the comparison of the relative recovery of microorganisms by two quantitative methods
NF X43-343*NF EN ISO 13833:2013 Stationary source emissions - Determination of the ratio of biomass (biogenic) and fossil-derived carbon dioxide - Radiocarbon sampling and determination
NF T90-350:2004 Water quality - Determination of the standardized global biological index.
NF EN ISO 13833:2013 Emissions from stationary sources - Determination of the ratio of carbon dioxide from (biogenic) biomass to fossil derivatives - Sampling and determination of radiocarbon
NF V05-113:1972 Fruits, vegetables and derived products. Mineralization of organic substances by incineration.
NF T90-323:1998 Water quality. Evaluation of the elimination and biodegradability of organic compounds in an aqueous medium. Activated sludge simulation test.
NF T90-321*NF EN ISO 10707:1998 "Water quality. Evaluation in an aqueous medium of the ""ultimate"" aerobic biodegrability of organic compounds. Method by analysis of biochemical oxygen demand (closed bottle test)."
NF T90-721:2023 Water quality - In situ enclosure of gammarids for measuring the bioaccumulation of chemical substances
NF T90-306*NF EN ISO 9439:2000 Water quality - Evaluation of ultimate aerobic biodegradability of arganic compounds in aqueous medium - Caebon dioxide evolution test
NF T90-369*NF EN 14996:2006 Water quality - Guidance on assuring the quality of biological and ecological assessments in the aquatic environment.
NF EN ISO 10634:2018 Water quality - Preparation and treatment of organic compounds that are poorly soluble in water with a view to evaluating their biodegradability in an aqueous medium
NF T90-314*NF EN ISO 9887:1995 Water quality. Evaluation of the aerobic biodegradability of organic compounds in an aqueous medium. Semi-continuous activated sludge method (scas).
NF EN ISO 9439:2000 Water quality - Evaluation of ultimate aerobic biodegradability in aqueous media of organic compounds - Carbon dioxide release test
NF EN 14996:2006 Water Quality - Quality Assurance Guide for Biological and Ecological Assessments in the Aquatic Environment
NF EN ISO 10707:1998 Water quality - "Evaluation in an aqueous environment of the "ultimate" aerobic biodegradability of organic compounds" - Method by analysis of biochemical oxygen demand (closed flask test)
NF T90-310*NF ISO 14442:2006 Water quality - Guidelines for algal growth inhibition tests with poorly soluble materials, volatile compounds, metals and waste water.
NF ISO 23893-3:2013 Water quality - Biochemical and physiological measurements on fish - Part 3: vitellogenin dosage
NF T90-336-3*NF ISO 23893-3:2013 Water quality - Biochemical and physiological measurements on fish - Part 3: determination of vitellogenin
NF T90-306:1993 WATER QUALITY. EVALUATION IN AN AQUEOUS MEDIUM OF THE "ULTIMATE" AEROBIC BIODEGRADABILITY OF ORGANIC COMPOUDS. METHOD BY ANALYSIS OF RELEASED CARBON DIOXIDE. (EUROPEAN STANDARD EN 29439).
NF T90-400*NF EN ISO 8199:2018 Water quality - General requirements and guidance for microbiological examinations by culture
NF T90-323*NF EN ISO 11733:2004 Water quality - Determination of the elimination and biodegradability of organic compounds in an aqueous medium - Activated sludge simulation test.
NF T90-313*NF EN ISO 10634:2018 Water quality - Preparation and treatment of poorly water-soluble organic compounds for the subsequent evaluation of their biodegradability in an aqueous medium
NF T90-480*NF EN ISO 19458:2006 Water quality - Sampling for microbiological analysis
NF T90-461:2001 Water quality - Microbiology - Quality control of culture media.
NF T90-461/A2:2007 Water quality - Microbiology - Quality control of culture media.
NF EN ISO 11733:2004 Water quality - Determination of the elimination and biodegradability of organic compounds in aqueous media - Activated sludge simulation test
FD T90-461:2022 Water quality - Microbiology - Quality control of culture media
NF T90-461/A1:2005 Water quality - Microbiology - Quality control of culture media.
NF EN ISO 9888:1999 Water quality - Evaluation, in an aqueous environment, of the ultimate aerobic biodegradability of organic compounds - Static test (Zahn-Wellens method)
NF EN ISO 20227:2017 Water quality - Determination of the inhibition effects on the growth of duckweed Spirodela polyrhiza by wastewater, natural waters and chemicals - Method using a miniaturized bioassay independent of a...
NF T90-313:1995 Water quality. Guidance for the preparation and treatment of poorly water-soluble organic compounds for the subsequent evaluation of their biodegradability in an aqueous medium.
NF EN ISO 9887:1995 Water quality - Evaluation, in an aqueous medium, of the aerobic biodegradability of organic compounds - Semi-continuous activated sludge method (SCAS method)
NF T90-316*NF EN ISO 9888:1999 Water quality. Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium. Static test (Zahn-Wellens method).
NF T90-324*NF EN ISO 11734:1998 "Water quality. Evaluation of the ""ultimate"" anaerobic biodegradability of organic compounds in digested sludge. Method by measurement of the biogas production."
NF ISO 14442:2006 Water quality - Guidelines for algal growth inhibition testing with poorly soluble materials, volatile compounds, metals and wastewater
NF EN 14184:2014 Water quality - Guide to the study of aquatic macrophytes in watercourses
NF ISO 6791:1986 Carbonaceous products used for the production of aluminum - Pitch for electrodes - Determination of the level of insoluble materials in quinoline

SCC, Biochemical ratio of water quality

AWWA ACE70745 Prototype Evaluation of NF2 and SWRO for Seawater Desalination: Water Quality and Energy Comparisons
DANSK DS/EN ISO 10707:1998 Water quality - Evaluation in an aqueous medium of the "ultimate" aerobic biodegradability of organic compounds - Method by analysis of biochemical oxygen demand (closed bottle test)
AWWA WQTC65867 Water Quality Performance Comparison of Reverse Osmosis to Dual-Pass Nanofiltration for Seawater Desalination
BS 6068-2-2.13:1984 Water quality. Physical, chemical and biochemical methods-Determination of turbidity
AWWA WQTC65762 Effect of Chemical and Biological Oxidation and Reduction of Manganese in Drinking Water Quality and Supply
AWWA ACE91009 Microbiological Changes in Source Water Treatment: Reflections in Distribution Water Quality
AENOR UNE-EN 16101:2013 Water quality - Guidance standard on interlaboratory comparison studies for ecological assessment
DANSK DS/EN ISO 17994:2014 Water quality - Requirements for the comparison of the relative recovery of microorganisms by two quantitative methods
DANSK DS/EN 16101:2012 Water quality - Guidance standard on interlaboratory comparison studies for ecological assessment
AWWA WQTC64058 Full-Scale Water Quality Comparison of Single-Pass Reverse Osmosis to Dual-Pass Nanofiltration for Seawater Desalination
NS-EN 16101:2012 Water quality — Guidance standard on interlaboratory comparison studies for ecological assessment
DANSK DS/EN ISO 13833:2013 Stationary source emissions - Determination of the ratio of biomass (biogenic) and fossil-derived carbon dioxide - Radiocarbon sampling and determination
NS-EN ISO 10707:1997 Water quality — Evaluation in an aqueous medium of the "ultimate" aerobic biodegradability of organic compounds — Method by analysis of biochemical oxygen demand (closed bottle test) (ISO 10707:1994)
NS-ISO 9439:1990 Water quality — Evaluation in an aqueous medium of the "ultimate" aerobic biodegradability of organic compounds — Method by analysis of released carbon dioxide
AWWA ACE94268 A Comparison of Methods for Modeling Water Quality in Distribution Systems
AWWA JAW64970 Journal AWWA — Chloride-to-Sulfate Mass Ratio and Lead Leaching to Water
NS-EN ISO 13833:2013 Stationary source emissions — Determination of the ratio of biomass (biogenic) and fossil-derived carbon dioxide — Radiocarbon sampling and determination (ISO 13833:2013)
AENOR UNE-EN 14996:2007 Water quality - Guidance on assuring the quality of biological and ecological assessments in the aquatic environment
DANSK DS/EN 14996:2006 Water quality - Guidance on assuring the quality of biological and ecological assessments in the aquatic environment
NS-EN 14996:2006 Water quality — Guidance on assuring the quality of biological and ecological assessments in the aquatic environment
NS-EN ISO 17994:2014 Water quality — Requirements for the comparison of the relative recovery of microorganisms by two quantitative methods (ISO 17994:2014)
BS 6068-2-2.12:1984 Water quality. Physical, chemical and biochemical methods-Determination of phenol index: 4-aminoantipyrine (4-aminophenazone) spectrometric methods after distillation
BS 6068-2-2.35:1989 Water quality. Physical, chemical and biochemical methods-Method for the determination of electrical conductivity
12/30236292 DC BS EN ISO 17994. Water quality. Requirements for the comparison of the relative recovery of microorganisms by two quantitative methods
AENOR UNE-EN ISO 20227:2018 Water quality. Determination of the inhibition effects of wastewater, natural water and chemicals on the growth of the duckweed Spirodela polyrhiza. Method using an independent miniaturized biological assay...
DANSK DS/EN ISO 9439:2000 Water quality - Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium - Carbon dioxide evolution test
DIN EN ISO 13833 E:2011 Draft Document - Stationary source emissions - Determination of the ratio of biomass (biogenic) and fossil-derived carbon dioxide - Radiocarbon sampling and determination (ISO/DIS 13833:2011); German version prEN ISO 13833:2011
AENOR UNE 77059:2002 Water quality. Determination of aluminum. Colorimetric method with eriochromocyanin R.
06/30085853 DC ISO 23893-2. Water quality. Biochemical and physiological measurements on fish. Part 2. Determination of EROD
AENOR UNE-EN 16150:2012 Water quality - Guidance on pro-rata Multi-Habitat sampling of benthic macro-invertebrates from wadeable rivers
AENOR UNE-EN ISO 17994:2014 Water quality - Requirements for the comparison of the relative recovery of microorganisms by two quantitative methods (ISO 17994:2014)
BS 6068-2-2.22:1986 Water quality. Physical, chemical and biochemical methods-Examination and determination of colour
AWWA WQTC71644 Permeate Quality Comparison of MBR and Tertiary Membrane Filtration
DANSK DS/EN 16150:2012 Water quality - Guidance on pro-rata Multi-Habitat sampling of benthic macro-invertebrates from wadeable rivers
NS-EN 16150:2012 Water quality — Guidance on pro-rata Multi-Habitat sampling of benthic macro-invertebrates from wadeable rivers
BS 6068-2-2.32:1987 Water quality. Physical, chemical and biochemical methods-Method for the determination of permanganate index
DIN EN 16101 E:2010 Draft Document - Water quality - Guidance standard on the design and analysis of interlaboratory comparison studies for ecological assessment; German version prEN 16101:2010
AENOR UNE-EN ISO 10707:1998 WATER QUALITY. EVALUATION IN AN AQUEOUS MEDIUM OF THE "ULTIMATE" AEROBIC BIODEGRADABILITY OF ORGANIC COMPOUNDS. METHOD BY ANALYSIS OF BIOCHEMICAL OXYGEN DEMAND (CLOSED BOTTLE TEST). (ISO 10707:1994).
BS 6068-2-2.14:1984 Water quality. Physical, chemical and biochemical methods-Determination of biochemical oxygen demand after 5 days (BOD<sub>5</sub>): dilution and seeding method
BS 6068-2.20:1986 Water quality. Physical, chemical and biochemical methods-Method for determination of cyanide by diffusion at pH 6
DANSK DS/EN ISO 7827:2013 Water quality - Evaluation of the "ready", "ultimate" aerobic biodegradability of organic compounds in an aqueous medium - Method by analysis of dissolved organic carbon (DOC)
DANSK DS/ISO 23893-3:2013 Water quality - Biochemical and physiological measurements on fish - Part 3: Determination of vitellogenin
10/30217333 DC BS EN 16101. Water quality. Guidance standard on the design and analysis of interlaboratory comparison studies for ecological assessment
BS EN ISO 9509:1995 Water quality. Method for assessing the inhibition of nitrification of activated sludge micro-organisms by chemicals and waste water
AWWA QTC97206 Aquatic Ecology and Nutrients in Drinking Water Systems
AWWA MTC64598 Comparison of Nanofiltration and Reverse Osmosis in Terms of Water Quality and Operational Performance for Treating Water of Impaired Quality
AENOR UNE-EN ISO 9439:2000 WATER QUALITY. EVALUATION OF ULTIMATE AEROBIC BIODEGRADABILITY OF ORGANIC COMPOUNDS IN AQUEOUS MEDIUM. CARBON DIOXIDE EVOLUTION TEST. (ISO 9439:1999)
AWWA JAW72292 Journal AWWA — Comparison of ANN Models for Predicting Water Quality in Distribution Systems
NS-EN ISO 10634:1995 Water quality — Guidance for the preparation and treatment of poorly water-soluble organic compounds for the subsequent evaluation of their biodegradability in an aqueous medium (ISO 10634:1995)
NS-EN ISO 9439:2000 Water quality — Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium — Carbon dioxide evolution test (ISO 9439:1999)
11/30227244 DC BS EN ISO 13833. Stationary source emissions. Determination of the ratio of biomass (biogenic) and fossil-derived carbon dioxide. Radiocarbon sampling and determination
BS 6068-2-2.15:1986 Water quality. Physical, chemical and biochemical methods-Determination of dissolved oxygen: electrochemical probe method
AWWA MTC69671 Energy in Desalination: Comparison of Energy Requirements for Developing Desalination Techniques
NS 4737:1976 Water analysis - Determination of sulphide content of waste water - Colorimetric method
DIN EN 16150 E:2010 Draft Document - Water quality - Guidance on pro-rata Multi-Habitat sampling of benthic macro-invertebrates from wadeable rivers; German version prEN 16150:2010
BS EN 29888:1993 Water quality. Evaluation of the aerobic biodegradability of organic compounds in an aqueous medium. Static test (Zahn-Wellens method)
BS PD ISO/TS 17379-2:2013 Water quality. Determination of selenium-Method using hydride generation atomic absorption spectrometry (HGAAS)
NS-EN ISO 9509:1995 Water quality — Method for assessing the inhibition of nitrification of activated sludge micro-organisms by chemicals and waste waters (ISO 9509:1989)
DANSK DS/ISO 4979:2023 Water quality – Aquatic toxicity test based on root re-growth in Lemna minor
NS-ISO 9888:1991 Water quality — Evaluation of the aerobic biodegradability of organic compounds in an aqueous medium — Static test (Zahn-Wellens method)
AWWA WQTC60712 Microbiological Quality of Reuse Water
BS EN ISO 11733:1998 Water quality. Evaluation of the elimination and biodegradability of organic compounds in an aqueous medium. Activated sludge simulation test
AWWA WQTC56937 Comparison of Customer Sensitivity to Chlorine and Satisfaction With Tap Water Quality
BS EN 29439:1992 Water quality. Evaluation in an aqueous medium of the "ultimate" aerobic biodegradability of organic compounds: method by analysis of released carbon dioxide
NS-ENV 12142:1996 Fruit and vegetable juices — Determination of the stable hydrogen isotope ratio (2H/1H) of water from fruit juices — Method using isotope ratio mass spectrometry
AENOR UNE-EN ISO 7827:2013 Water quality - Evaluation of the "ready", "ultimate" aerobic biodegradability of organic compounds in an aqueous medium - Method by analysis of dissolved organic carbon (DOC) (ISO 7827:2010)
AWWA WQTC71398 On-line Water Quality Monitoring at the Portland Water Bureau: Comparison of Event Detection Systems
DANSK DS/EN ISO 9888:2000 Water quality - Evaluation of the ultimate aerobic biodegradability of organic compounds in aqueous medium - Static test (Zahn-Wellens method)
DANSK DS/EN ISO 9887:1996 Water quality - Evaluation of the aerobic biodegradability of organic compounds in an aqueous medium - Semi-continuous activated sludge method (SCAS)
BS 6068-2-2.14:1990 Water quality. Physical, chemical and biochemical methods-Determination of biochemical oxygen demand after 5 days (BOD<sub>5</sub>): dilution and seeding methods
BS 6068-2.45:1993 Water quality. Physical, chemical and biochemical methods-Determination of selenium by atomic absorption spectrometry
AWWA MTC69655 Comparing Biological Filtration and Ultrafiltration Pretreatment for Seawater Desalination during High Turbidity and Red Tide Events
DIN EN ISO 17994 E:2012 Draft Document - Water quality - Requirements for the comparison of the relative recovery of microorganisms by two quantitative methods (ISO/DIS 17994:2012); German version prEN ISO 17994:2012
BS 6068-45:1993 Water quality. Physical, chemical and biochemical methodsDetermination of selenium by atomic absorption spectrometry
AWWA ACE92158 Biofilm Development and Water Quality in a Water Distribution System: The Impact of Chlorination and Alternative Monitoring Techniques
AWWA WQTC65967 Impact of Feed Water Quality on Biofouling of Nanofiltration Membranes Used for Drinking Water Production
AWWA ACE93171 Managing Water Quality in Distribution Systems: Minimizing Chemical and Microbial Risk
BS 6068-5-5.6:1985 Water quality. Biological methods-Evaluation in an aqueous medium of the 'ultimate' aerobic biodegradability of organic compounds: method by analysis of dissolved organic carbon (DOC)
AWWA ACE68648 Pilot-Scale Comparison of Granular Media Filtration and Ultrafiltration Pretreatment Systems for Open Intake Seawater Desalination
BS 6068-2-2.28:1986 Water quality. Physical, chemical and biochemical methods-Method for the determination of phosphorus: ammonium molybdate spectrometric method
NS-EN ISO 7827:2012 Water quality — Evaluation of the "ready", "ultimate" aerobic biodegradability of organic compounds in an aqueous medium — Method by analysis of dissolved organic carbon (DOC) (ISO 7827:2010)
11/30203236 DC BS ISO 23893-3. Water quality. Biochemical and physiological measurements on fish . Part 3. Determination of vitellogenin
NS-EN ISO 10634:2018 Water quality - Preparation and treatment of poorly water-soluble organic compounds for the subsequent evaluation of their biodegradability in an aqueous medium (ISO 10634: 2018)
DANSK DS/EN ISO 10634:2018 Water quality – Preparation and treatment of poorly water-soluble organic compounds for the subsequent evaluation of their biodegradability in an aqueous medium (ISO 10634: 2018)
AENOR UNE-EN ISO 10634:2020 Water quality - Preparation and treatment of poorly water-soluble organic compounds for the subsequent evaluation of their biodegradability in an aqueous medium (ISO 10634: 2018)
AWWA WQTC65752 Protein Assay in Drinking Water and Reclaimed Water
BS DD ISO/TS 23893-2:2007 Water quality. Biochemical and physiological measurements on fish-Determination of ethoxyresorufin-O-deethylase (EROD)
AENOR UNE 77028:2002 Water quality. Determination of ammoniacal nitrogen. Method by distillation and titration or colorimetry.

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, Biochemical ratio of water quality

GB/T 7482-1987 Water quality--Determination of fluoride--Visual colorimetry with zirconium alizarinsulfonate
GB 7482-1987 Determination of fluoride in water quality Alizarin zirconium sulfonate visual colorimetric method
GB 7479-1987 Determination of Ammonium in Water Quality Nessler's Reagent Colorimetric Method
GB/T 7479-1987 Water quality--Determination of ammonium-Nessler's reagent colorimetric method
GB/T 7488-1987 Water quality--Determination of biochemical oxygen demand after 5 days(BOD5)--Dilution and seeding method
GB 7488-1987 Dilution and inoculation method for determination of five-day biochemical oxygen demand (BOD5) in water quality
GB/T 13072-1991 Method for measuring the activity ratios of Ra226 to Ra228 in geological water samples
GB/T 42992.1-2023 General principles for chemical simulation tests to evaluate the biodegradability of chemicals discharged into wastewater

Professional Standard - Environmental Protection, Biochemical ratio of water quality

HJ 487-2009 Water quality.Determination of fluoride.Visual colormetry with zirconium alizarinsulfonate
HJ 659-2013 Water quality.Determination of cyanide and others by vaccum testing tube-electric colorimeter
HJ/T 86-2002 Water quality.Determination of biochemical oxygen demand(BOD).Speedy testing method of microorganism sensor
HJ 831-2017 Technical Guideline for Deriving Water Quality Criteria for the Protection of Freshwater Aquatic Organisms

Korean Agency for Technology and Standards (KATS), Biochemical ratio of water quality

KS I ISO 15587-2014(2019) Water quality — Digestion for the determination of selected elements in water
KS I ISO 17994:2021 Water quality — Requirements for the comparison of the relative recovery of microorganisms by two quantitative methods
KS I ISO TS 20612:2019 Water quality — Interlaboratory comparisons for proficiency testing of analytical chemistry laboratories
KS I ISO 20612:2009 Water quality－Interlaboratory comparisons for proficiency testing of analytical chemistry laboratories
KS I ISO 10707-2018 Water quality－Evaluation in an aqueous medium of the “ultimate”aerobic biodegradability of organic compounds－Method by analysis of biochemical oxygen demand(closed bottle test)
KS I ISO 9439:2008 Water quality-Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium-Carbon dioxide evolution test
KS I ISO 10708-2008(2018) Water quality－Evaluation in an aqueous medium of the ultimate aerobic biodegradability of organic compounds－Determination of biochemical oxygen demand in a two-phase closed bottle test
KS I ISO 10708-2018 Water quality－Evaluation in an aqueous medium of the ultimate aerobic biodegradability of organic compounds－Determination of biochemical oxygen demand in a two-phase closed bottle test
KS I ISO 10707-2008(2018) Water quality－Evaluation in an aqueous medium of the “ultimate”aerobic biodegradability of organic compounds－Method by analysis of biochemical oxygen demand(closed bottle test)
KS I ISO 10707:2008 Water quality－Evaluation in an aqueous medium of the “ultimate”aerobic biodegradability of organic compounds－Method by analysis of biochemical oxygen demand(closed bottle test)
KS I ISO 10229-2008(2018) Water quality－Deter mination of the prolonged toxicity of substances to freshwater fish－Method for evoluting the effects of substances on the growth rate of rainbow traout[Oncorhynchus mykiss Walbaum(
KS I ISO 9509-2023 Water quality－Method for assessing the inhibition of nitrification of activated sludge micro organisms by chemicals and wastewaters
KS I ISO 9439-2008(2018) Water quality－Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium－Carbon dioxide evolution test
KS I ISO 9509-2008(2018) Water quality－Method for assessing the inhibition of nitrification of activated sludge micro organisms by chemicals and wastewaters
KS I ISO 23893-1-2009(2019) Water quality－Biochemical and physiological measurements on fish－Part 1：Sampling of fish, handling and preservation of samples
KS I ISO 14442:2007 Water quality－Guidelines for algal growth inhibition tests with poorly soluble materials, volatile compounds, metals and waste water
KS I ISO 10260-2006(2016) Water quality－Measurement of biochemical parameters－Spectrometric determination of the chlorophyll-a concentration
KS I ISO 10260-2006(2021) Water quality－Measurement of biochemical parameters－Spectrometric determination of the chlorophyll-a concentration
KS I ISO 10260-2021 Water quality－Measurement of biochemical parameters－Spectrometric determination of the chlorophyll-a concentration
KS I ISO 10260:2006 Water quality－Measurement of biochemical parameters－Spectrometric determination of the chlorophyll-a concentration
KS M 9137-2002 Water quality－Determination of biochemical oxygen demandafter 5 days(BOD5)(Dilution and seeding)
KS I ISO 11733:2008 Water quality－Determination of the elimination and biodegradability of organic compounds in an aqueous medium－Activated sludge simulation test
KS I 3221-2017 Water quality－Evaluation of the aerobic biodegradability of organic compounds in an aqueous medium[Semi-continuous activated sludge method(SCAS)]
KS I ISO 9888-2008(2018) Water quality－Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium－Static test(Zahn-Wellens method)
KS I 3221-2007(2017) Water quality－Evaluation of the aerobic biodegradability of organic compounds in an aqueous medium[Semi-continuous activated sludge method(SCAS)]
KS M 9107-1996 Water quality-Measurement of biochemeical parameters(Spectrometric determination of the chlorophyll-a concentration)
KS I ISO 11733-2008(2018) Water quality－Determination of the elimination and biodegradability of organic compounds in an aqueous medium－Activated sludge simulation test
KS I ISO 10229-2023 Water quality－Deter mination of the prolonged toxicity of substances to freshwater fish－Method for evoluting the effects of substances on the growth rate of rainbow traout[Oncorhynchus mykiss Walbaum(Teleostei, Salmonidae)]
KS I ISO 19458:2007 Water quality－Sampling for microbiological analysis
KS M ISO 3566-2023 Sodium fluoride primarily used for the production of aluminium — Determination of chlorides content — Turbidimetric method
KS I ISO 11733-2023 Water quality－Determination of the elimination and biodegradability of organic compounds in an aqueous medium－Activated sludge simulation test
KS I ISO 11461:2005 Soil quality－Determination of soil water content calculatedon a volume basis(Gravimetric method)
KS I ISO 10708:2008 Water quality－Evaluation in an aqueous medium of the ultimate aerobic biodegradability of organic compounds－Determination of biochemical oxygen demand in a two-phase closed bottle test
KS I ISO 6703:2014 Water quality — Determination of cyanide
KS I ISO 23893-1:2009 Water quality－Biochemical and physiological measurements on fish－Part 1：Sampling of fish, handling and preservation of samples
KS I ISO 10359-2014(2021) Water quality — Determination of fluoride
KS I ISO 6703-2019 Water quality — Determination of cyanide
KS I ISO 10359-2021 Water quality — Determination of fluoride
KS I ISO 6703-2014(2019) Water quality — Determination of cyanide
KS M 9235-2001 Water quality－Evaluation of “ultimate” aerobic biodegradablity of organic compounds in aqueous medium [Method by analysis of dissolved organic carbon(DOC)]
KS I ISO 10359:2014 Water quality — Determination of fluoride
KS I ISO 7827-2023 Water quality－Evaluation in an aqueous medium of the “ultimate”aerobic biodegradability of organic compounds－Method by analysis of dissolved organic carbon(DOC)
KS I ISO 11734-2008(2018) Water quality－Evaluation of the “ultimate” anaerobic biodegradability of organic compounds in digested sludge－Method by measurement of the biogas production
KS I ISO 7827-2008(2018) Water quality－Evaluation in an aqueous medium of the “ultimate”aerobic biodegradability of organic compounds－Method by analysis of dissolved organic carbon(DOC)
KS M 9235-2004 Water quality－Evaluation of “ultimate” aerobic biodegradablity of organic compounds in aqueous medium [Method by analysis of dissolved organic carbon(DOC)]

Danish Standards Foundation, Biochemical ratio of water quality

DS/EN 16101:2013 Water quality - Guidance standard on interlaboratory comparison studies for ecological assessment
DS/EN ISO 13833:2013 Stationary source emissions - Determination of the ratio of biomass (biogenic) and fossil-derived carbon dioxide - Radiocarbon sampling and determination
DS/EN 14996:2006 Water quality - Guidance on assuring the quality of biological and ecological assessments in the aquatic environment
DS/EN ISO 10707:1998 Water quality - Evaluation in an aqueous medium of the ""ultimate"" aerobic biodegradability of organic compounds - Method by analysis of biochemical oxygen demand (closed bottle test)
DS/EN 16150:2012 Water quality - Guidance on pro-rata Multi-Habitat sampling of benthic macro-invertebrates from wadeable rivers
DS/ISO 23893-3:2013 Water quality - Biochemical and physiological measurements on fish - Part 3: Determination of vitellogenin
DS/EN 29439:1993 Water quality. Evaluation in an aqueous medium of the "ultimate" aerobic biodegradability of organic compounds. Method by analysis of released carbon dioxide
DS 2402:1999 Water quality - Enumeration of aerobic microorganisms in hot domestic water
DS/EN ISO 9439:2000 Water quality - Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium - Carbon dioxide evolution test
DS/EN 29888:1993 Water quality. Evaluation of the aerobic biodegradability of organic compounds in and aqueous medium. Static test (Zahn-Wellens method)
DS/ENV 12142:1997 Fruit and vegetable juices - Determination of the stable hydrogen isotope ratio (2H/1H) of water from fruit juices - Method using isotope ratio mass spectrometry
DS/ENV 12141:1997 Fruit and vegetable juices - Determination of the stable oxygen isotope ratio (18O/16O) of water from fruit juices - Method using isotope ratio mass spectrometry
DS/ISO 23893-1:2008 Water quality - Biochemical and physiological measurements on fish - Part 1: Sampling of fish, handling and preservation of samples
DS/EN ISO 10634:1997 Water quality - Guidance for the preparation and treatment of poorly water-soluble organic compounds for the subsequent evaluation of their biodegradability in an aqueous medium
DS/INF 127:1999 Water quality - Enumeration of aerobic microorganisms in hot domestic water - Background material
DS/EN ISO 9887:1996 Water quality - Evaluation of the aerobic biodegradability of organic compounds in an aqueous medium - Semi-continuous activated sludge method (SCAS)
DS/EN ISO 9888:2000 Water quality - Evaluation of the ultimate aerobic biodegradability of organic compounds in aqueous medium - Static test (Zahn-Wellens method)

German Institute for Standardization, Biochemical ratio of water quality

DIN EN ISO 17994:2004 Water quality - Requirements for the comparison of the relative recovery of microorganisms by two quantitative methods
DIN EN ISO 17994:2014-06 Water quality - Requirements for the comparison of the relative recovery of microorganisms by two quantitative methods (ISO 17994:2014); German version EN ISO 17994:2014
DIN EN 16101:2012-12 Water quality - Guidance standard on interlaboratory comparison studies for ecological assessment; German version EN 16101:2012
DIN EN ISO 17994 E:2012-10 Requirements for comparing relative recovery rates of microorganisms using dual quantitative methods for water quality (draft)
DIN EN 14996:2006-08 Water quality - Guidance on assuring the quality of biological and ecological assessments in the aquatic environment; German version EN 14996:2006
DIN EN ISO 13833:2013-07 Stationary source emissions - Determination of the ratio of biomass (biogenic) and fossil-derived carbon dioxide - Radiocarbon sampling and determination (ISO 13833:2013); German version EN ISO 13833:2013
DIN EN ISO 9439:2000 Water quality - Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium - Carbon dioxide evolution test (ISO 9439:1999); German version EN ISO 9439:2000
DIN EN ISO 10707:1998 Water quality - Evaluation in an aqueous medium of the "ultimate" aerobic biodegradability of organic compounds - Method by analysis of biochemical oxygen demand (closed bottle test) (ISO 10707:1994); German version EN ISO 10707:1997
DIN EN 14996:2006 Water quality - Guidance on assuring the quality of biological and ecological assessments in the aquatic environment English version of DIN EN 14996:2006-08
DIN EN 16150:2012-07 Water quality - Guidance on pro-rata Multi-Habitat sampling of benthic macro-invertebrates from wadeable rivers; German version EN 16150:2012
DIN EN ISO 10707:1998-03 Water quality - Evaluation in an aqueous medium of the "ultimate" aerobic biodegradability of organic compounds - Method by analysis of biochemical oxygen demand (closed bottle test) (ISO 10707:1994); German version EN ISO 10707:1997
DIN EN ISO 9439:2000-10 Water quality - Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium - Carbon dioxide evolution test (ISO 9439:1999); German version EN ISO 9439:2000
DIN EN 16101:2012 Water quality.Guidance standard on interlaboratory comparison studies for ecological assessment; German version EN 16101:2012
DIN EN ISO 11733:2004 Water quality - Determination of the elimination and biodegradability of organic compounds in an aqueous medium - Activated sludge simulation test (ISO 11733:2004); German version EN ISO 11733:2004
DIN EN ISO 11733:2004-11 Water quality - Determination of the elimination and biodegradability of organic compounds in an aqueous medium - Activated sludge simulation test (ISO 11733:2004); German version EN ISO 11733:2004
DIN EN ISO 9888:1999-11 Water quality - Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium - Static test (Zahn-Wellens method) (ISO 9888:1999); German version EN ISO 9888:1999
DIN EN ISO 19458:2006 Water quality - Sampling for microbiological analysis (ISO 19458:2006); English version of DIN EN ISO 19458:2006-12
DIN EN ISO 10634:2020-08 Water quality - Preparation and treatment of poorly water-soluble organic compounds for the subsequent evaluation of their biodegradability in an aqueous medium (ISO 10634:2018); German version EN ISO 10634:2018
DIN EN ISO 9888:1999 Water quality - Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium - Static test (Zahn-Wellens method) (ISO 9888:1999); German version EN ISO 9888:1999
DIN EN ISO 10634:2020 Water quality - Preparation and treatment of poorly water-soluble organic compounds for the subsequent evaluation of their biodegradability in an aqueous medium (ISO 10634:2018)

Lithuanian Standards Office , Biochemical ratio of water quality

LST EN 16101-2013 Water quality - Guidance standard on interlaboratory comparison studies for ecological assessment
LST EN 14996-2006 Water quality - Guidance on assuring the quality of biological and ecological assessments in the aquatic environment
LST EN 16150-2012 Water quality - Guidance on pro-rata Multi-Habitat sampling of benthic macro-invertebrates from wadeable rivers
LST EN ISO 10707:2000 Water quality - Evaluation in an aqueous medium of the "ultimate" aerobic biodegradability of organic compounds - Method by analysis of biochemical oxygen demand (closed bottle test) (ISO 10707:1994)
LST L ENV 12142-2000 Fruit and vegetable juices - Determination of the stable hydrogen isotope ratio (2H/1H) of water from fruit juices - Method using isotope ratio mass spectrometry
LST EN ISO 9439:2000 Water quality - Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium - Carbon dioxide evolution test (ISO 9439:1999)

Group Standards of the People's Republic of China, Biochemical ratio of water quality

T/CSUS 28-2021 Determination of Biochemical Oxygen Demand (BOD) of Water Quality Microbial Coulometry
T/QGCML 2993-2024 Determination of water quality biochemical oxygen demand (BOD) in situ microbial film online method
T/JSSES 10-2020 Technical Guidelines for Transforming Water Quality Standards of Aquatic Organisms into Standard Recommended Values in the Taihu Lake Basin
T/GDPMA 0002-2023 Classification and evaluation of purification effect of drinking water quality processors
T/CNTAC 209-2024 Water quality for production of water jet looms
T/GDES 58-2021 Aluminum correction agent for cement production on resource utilization of aluminum ash
T/QGCML 3906-2024 Comprehensive and uniform mixing homogeneous emulsifier for shampoo production
T/GDCKCJH 090-2024 Technical specification for online automatic monitoring of biological toxicity in water quality using microbial electrochemical method
T/GDCKCJH 091-2024 Technical specification for rapid on-site detection of biological toxicity in water quality using microbial electrochemical method
T/GDSES 2-2022 Water quality—Determination of antibiotics—Solid phase extraction-high performance liquid chromatography-tandem mass spectrometry

國家市場監(jiān)督管理總局、中國國家標(biāo)準(zhǔn)化管理委員會, Biochemical ratio of water quality

GB/T 37907-2019 Reclaimed water quality—Determination of sulfide and cyanide—Ion chromatography
GB/T 39835-2021 Water quality for domestic seawater
GB/T 37906-2019 Reclaimed water quality—Determination of mercury—Mercury analyzer method
GB/T 37905-2019 Reclaimed water quality—Determination of chromium—Voltammetry and polarography

CEN - European Committee for Standardization, Biochemical ratio of water quality

EN 12386:2005 Chemicals Used for Treatment of Water Intended for Human Consumption - Copper Sulfate

European Committee for Standardization (CEN), Biochemical ratio of water quality

EN 12386:2012 Chemicals used for treatment of water intended for human consumption - Copper sulfate
EN 12386:1998 Chemicals Used for Treatment of Water Intended for Human Consumption - Copper Sulfate
EN 29888:1993 Water quality; evaluation of the aerobic biodegradability of organic compounds in an aqueous medium; static test (Zahn-Wellens method) (ISO 9888:1991)
EN ISO 10707:1997 Water Quality - Evaluation in an Aqueous Medium of the `Ultimate' Aerobic Biodegradability of Organic Compounds - Method by Analysis of Biochemical Oxygen Demand (Closed Bottle Test)
EN 14996:2006 Water quality - Guidance on assuring the quality of biological and ecological assessments in the aquatic environment
EN ISO 9439:2000 Water Quality - Evaluation of Ultimate Aerobic Biodegradability of Organic Compounds in Aqueous Medium - Carbon Dioxide Evolution Test ISO 9439: 1999
EN ISO 20227:2017 Water quality - Determination of the growth inhibition effects of waste waters@ natural waters and chemicals on the duckweed Spirodela polyrhiza - Method using a stock culture independent microbiotest
EN 29439:1993 Water quality; evaluation in an aqueous medium of the "ultimate" aerobic biodegradability of organic compounds; method by analysis of released carbon dioxide (ISO 9439:1990)
EN ISO 17994:2014 Water quality - Requirements for the comparison of the relative recovery of microorganisms by two quantitative methods
EN ISO 11733:1998 Water Quality - Evaluation of the Elimination and Biodegradability of Organic Compounds in an Aqueous Medium - Activated Sludge Simulation Test ISO 11733:1995
prEN 29439-1992 Water quality; evaluation in an aqueous medium of the "ultimate" aerobic biodegradability of organic compounds; method by analysis of released carbon dioxide (ISO 9439:1990)
DD ENV 12 141-1996 Fruit and Vegetable Juices - Determination of the Stable Oxygen Isotope Ratio (18O/16O) of Water from Fruit Juices - Method Using Isotope Ratio Mass Spectrometry
DD ENV 12 142-1996 Fruit and Vegetable Juices - Determination of the Stable Hydrogen Isotope Ratio (2H/1H) of Water from Fruit Juices - Method Using Isotope Ratio Mass Spectrometry
EN ISO 11733:2004 Water quality Determination of the elimination and biodegradability of organic compounds in an aqueous medium Activated sludge simulation test

KR-KS, Biochemical ratio of water quality

KS I ISO 17994-2021 Water quality — Requirements for the comparison of the relative recovery of microorganisms by two quantitative methods
KS I ISO TS 20612-2019 Water quality — Interlaboratory comparisons for proficiency testing of analytical chemistry laboratories
KS I ISO 9509-2008(2023) Water quality－Method for assessing the inhibition of nitrification of activated sludge micro organisms by chemicals and wastewaters
KS I ISO 10229-2008(2023) Water quality－Deter mination of the prolonged toxicity of substances to freshwater fish－Method for evoluting the effects of substances on the growth rate of rainbow traout[Oncorhynchus mykiss Walbaum(
KS I ISO 11733-2008(2023) Water quality－Determination of the elimination and biodegradability of organic compounds in an aqueous medium－Activated sludge simulation test
KS I ISO 10634-2008(2023) Water quality－Guidance for the preparation and treatment of poorly water-soluble organic compounds for the subsequent evaluation of their biodegradability in an aqueous medium
KS I ISO 10359-2014 Water quality — Determination of fluoride
KS I ISO 14442-2023 Water quality — Guidelines for algal growth inhibition tests with poorly soluble materials, volatile compounds, metals and waste water
KS I ISO 7827-2008(2023) Water quality－Evaluation in an aqueous medium of the “ultimate”aerobic biodegradability of organic compounds－Method by analysis of dissolved organic carbon(DOC)

International Organization for Standardization (ISO), Biochemical ratio of water quality

ISO 17994:2014 Water quality - Requirements for the comparison of the relative recovery of microorganisms by two quantitative methods
ISO/TS 20612:2007 Water quality - Interlaboratory comparisons for proficiency testing of analytical chemistry laboratories
ISO 9439:1999 Water quality - Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium - Carbon dioxide evolution test
ISO 9439:1990 Water quality; evaluation in an aqueous medium of the "ultimate" aerobic biodegradability of organic compounds; methods by analysis of released carbon dioxide
ISO 10707:1994 Water quality - Evaluation in an aqueous medium of the "ultimate" aerobic biodegradability of organic compounds - Method by analysis of biochemical oxygen demand (closed bottle test)
ISO 14442:2006 Water quality - Guidelines for algal growth inhibition tests with poorly soluble materials, volatile compounds, metals and waste water
ISO 20227:2017 Water quality - Determination of the growth inhibition effects of waste waters, natural waters and chemicals on the duckweed Spirodela polyrhiza - Method using a stock culture independent microbiotest
ISO 4979:2023 Water quality — Aquatic toxicity test based on root re-growth in Lemna minor
ISO 9888:1991 Water quality — Evaluation of the aerobic biodegradability of organic compounds in an aqueous medium — Static test (Zahn-Wellens method)
ISO 14442:1999 Water quality - Guidelines for algal growth inhibition tests with poorly soluble materials, volatile compounds, metals and waste water
ISO 23893-3:2013 Water quality - Biochemical and physiological measurements on fish - Part 3: Determination of vitellogenin
ISO 11733:2004 Water quality - Determination of the elimination and biodegradability of organic compounds in an aqueous medium - Activated sludge simulation test
ISO 10260:1992 Water quality; measurement of biochemical parameters; spectrometric determination of the chlorophyll-a concentration
ISO 5815:1989 Water quality; determination of biochemical oxygen demand after 5 days (BOD<(Index)5>); dilution and seeding method
ISO 9509:1989 Water quality; method for assessing the inhibition of nitrification of activated sludge micro-organisms by chemicals and waste waters
ISO/FDIS 4979 Water quality — Aquatic toxicity test based on root re-growth in Lemna minor
ISO 5815:1983 Water quality — Determination of biochemical oxygen demand after n days (BODn) — Dilution and seeding method
ISO 11461:2001 Soil quality - Determination of soil water content as a volume fraction using coring sleeves - Gravimetric method
ISO 9887:1992 Water quality; evaluation of the aerobic biodegradability of organic compounds in an aqueous medium; semi-continuous activated sludge method (SCAS)
ISO 19458:2006 Water quality - Sampling for microbiological analysis
ISO 10708:1997 Water quality - Evaluation in an aqueous medium of the ultimate aerobic biodegradability of organic compounds - Determination of biochemical oxygen demand in a two-phase closed bottle test
ISO 23893-1:2007 Water quality - Biochemical and physiological measurements on fish - Part 1: Sampling of fish, handling and preservation of samples

AT-ON, Biochemical ratio of water quality

ONORM M 6263 Teil.1-1987 Test procedure with water organisms; determination ofthe acute toxicity of substances for trout; statte fest
ONORM M 6263 Teil.3-1987 Test procedure with water organisms; determination ofthe acute toxicity of substances for trout; flow-through method
ONORM M 6263 Teil.2-1987 Test procedure with water organisms; determination ofthe acute toxicity of substances for trout; semistatic test
ONORM M 6631-1993 Water quality - Method for assessing the inhibition of nitrification of activated Sludge micro-organisms by chemicals and waste water
ONORM M 6277-1998 Water quality - Determination of biochemical oxygen demand after 5 days (BOD5) - Dilution and seeding method without inhibition of nitrification
ONORM EN 29439-1993 Water quality - Evaluation in an aqueous medium of the "uttimate" aerobic biodegradability of organic Compounds -Method by analysis of released carbon dioxide (ISO 9439:1990)
ONORM EN 29888-1993 Water quality - Evaluation of the aerobic biodegradability of organic compounds in an aqueous medium - Static test (Zahn-Wellens method) (ISO 9888:1991)

Professional Standard - Geology, Biochemical ratio of water quality

DZ/T 0064.46-1993 Determination of Bromide by Phenol Red Colorimetric Method for Groundwater Quality Examination
DZ/T 0064.56-1993 Ground water quality testing method Starch colorimetric method for determination of iodide
DZ/T 0064.53-1993 Alizarin Complexing Agent Colorimetric Method for Determination of Fluoride in Underground Water Quality Test
DZ/T 0064.52-1993 Method for groundwater quality examination Pyridine-pyrazolone colorimetric method for determination of cyanide
DZ/T 0064.67-1993 Groundwater quality testing method Determination of sulfide by p-aminodimethylaniline colorimetric method

VN-TCVN, Biochemical ratio of water quality

TCVN 6825-2001 Water quality. Evaluation of the "ultimate" anaerobic biodegradability of organic compounds in digested sludge.Method by measurement of the biogas production
TCVN 6489-2009 Water quality.Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium.Carbon dioxide evolution test
TCVN 6828-2001 Water quality.Evaluation in an aqueous medium of the "ultimate" aerobic biodegradability of organic compounds.Method by analysis of biochemical oxygen demand (closed bottle test)
TCVN 6826-2009 Water quality.Determination of the elimination and biodegradability of organic compounds in an aqueous medium.Activated sludge simulation test
TCVN 6662-2000 Water quality.Measurement of biochemical parameters.Spectrometry determination of the chlorophyll-a concentration
TCVN 6664-2000 Water quality..Evaluation in an aqueous medium of the ultimate aerobic biodegradability of organic compounds.Determination of biochemical oxygen demand in a two-phase closed bottle test
TCVN 6918-2001 Water quality.Guidance for their preparation and treatment of poorly water-soluble organic compounds for the subsequent evaluation of their biodegradability in an aqueous medium

BE-NBN, Biochemical ratio of water quality

NBN I 01-003-1990 Water quality for steamgenerators with water tubes
NBN-EN 29888-1993 Water quality. Evaluation of the aerobic biodegradability of organic compounds in an aqueous medium. Static test (Zahn-Wellens method) (ISO 9888:1991)
NBN I 01-004-1990 Water quality of serpentine tube water vapor generator
NBN-EN 29439-1993 Water quality. Evaluation in an aqueous medium of the "ultimate" aerobic biodegradability of organic compounds. Method by analysis of released carbon dioxide (ISO 9439:1990)

IT-UNI, Biochemical ratio of water quality

UNSIDER 32-1960 Quality inspection. Consumption comparison between two samples (comparison of two changes)
UNI 6651-1970 Chemical analysis of manganese ores. Determination of copper. Colorimetric method.
UNI 6649-1970 Chemical analysis of manganese ores. Determination of phosphorus. Colorimetric method.
UNI 6639-1970 Chemical analysis of manganese ores. Determination of nickel. Colorimetric method.
UNI 6641-1970 Chemical analysis of the mineral manganese. Arsenic determination. colorimetric analysis
UNI 6640-1970 Chemical analysis of the mineral manganese. Cobalt determination. colorimetric analysis

國家質(zhì)量監(jiān)督檢驗(yàn)檢疫總局, Biochemical ratio of water quality

SN/T 4152-2015 Methods for classifying aquatic toxicity of chemically difficult-to-test substances
SN/T 4966-2017 ChemicalsMethods for dissolution and transformation of metals and metal compounds in aquatic media

Chongqing Provincial Standard of the People's Republic of China, Biochemical ratio of water quality

DB50/T 1130-2021 The quality of plowing and land preparation in rice mechanized production

CZ-CSN, Biochemical ratio of water quality

CSN 75 7715-1998 Water quality - Biological analysis - Determination of periphyton
CSN 75 7346-2002 Water quality - Determination of dissolved substances
CSN 75 7716-1998 Water quality - Biological analysis - Determination of saprobic index
CSN 75 7714-1998 Water quality - Biological analysis - Determination of benthos
CSN 75 7712-2005 Water quality - Biological analysis - Determination of bioseston
CSN 75 7713-1998 Water quality - Biological analysis - Determination of abioseston

Professional Standard - Water Conservancy, Biochemical ratio of water quality

SL 368-2006 Standards of reclaimed water quality

API - American Petroleum Institute, Biochemical ratio of water quality

API PUBL 4656-1997 Bioaccumulation: How Chemicals Move from the Water into Fish and Other Aquatic Organisms

Indonesia Standards, Biochemical ratio of water quality

SNI 13-4729-1998 General legend of hydrogeology maps of Indonesia scale 1: 250.000

農(nóng)業(yè)農(nóng)村部, Biochemical ratio of water quality

NY/T 3440-2019 Standards for quality acceptance of domestic sewage purification biogas pools

Professional Standard - Urban Construction, Biochemical ratio of water quality

CJ/T 521-2018 Domestic hot water quality standard
CJ/T 95-2000 Quality standard for reclaimed wastewater reused as scenic water
CJ/T 48-1999 Domestic Miscellaneous Water Quality Standards
CJ 3020-1993 Water Quality Standard for Drinking Water Source
CJ/T 3020-1993 Water quality standards for drinking water sources

PL-PKN, Biochemical ratio of water quality

PN C04610-04-1990 Water and waste water Test for toxicity of pollutants to a?uatic organisms Determination of acute toxicity to Lebistes reticutatus Peters
PN C04550 ArkusZ04-1974 Water and waste water Tests for synthetic surface active agents and theirs biochemical oxidation Determination of nonionic poly- ethoxylic synthetic surface active agents by colorimetric method with phosphotungstic acid

FI-SFS, Biochemical ratio of water quality

SFS 3042-1977 Determination of sulfide in wastewater. Colorimetry
SFS 3038-1977 Determination of sulfide in natural water. Colorimetry

Guangdong Provincial Standard of the People's Republic of China, Biochemical ratio of water quality

DB4403/T 64-2020 Specifications for effluent water quality of water purification plants
DB4403/T 60-2020 Drinking Water Quality Standards

American National Standards Institute （ANSI), Biochemical ratio of water quality

ANSI/ASAE D241.4-1992(2012) Density, Specific Gravity, and Mass-Moisture Relationships of Grain for Storage

American Society for Testing and Materials (ASTM), Biochemical ratio of water quality

ASTM UOP792-78 The Colorimetric Determination of Silica in Aqueous Solutions
ASTM D3414-98(2004) Standard Test Method for Comparison of Waterborne Petroleum Oils by Infrared Spectroscopy
ASTM D3414-98 Standard Test Method for Comparison of Waterborne Petroleum Oils by Infrared Spectroscopy

Liaoning Provincial Standard of the People's Republic of China, Biochemical ratio of water quality

DB21/T 2787-2017 Technical regulations for industrialized biochar matrix seedling cultivation of rice

Professional Standard-Ships, Biochemical ratio of water quality

CB* 3328.3-1988 Method for inspecting quality of water discharged from treatment of vessel sewage. Method of test for biochemical oxygen demand
CB 3328.3-1988 Water quality inspection method for discharge water from ship sewage treatment Biochemical oxygen demand inspection method

Henan Provincial Standard of the People's Republic of China, Biochemical ratio of water quality

DB4101/T 123-2024 Drinking water quality standards

YU-JUS, Biochemical ratio of water quality

JUS H.G8.262-1987 Reagents. Barium chlorlde dihydrate. Determination od heavy metals content (as Pb). Colorimetric method
JUS H.G8.466-1991 Reagents. Nickel(II) sulphate x-hydrate. Determination of chlorides content. Turbidimetric method
JUS H.G8.215-1985 Reagents. Methanol. Determination of readi!y carbonizable substances. Colorimetric methou

Hebei Provincial Standard of the People's Republic of China, Biochemical ratio of water quality

DB1307/T 286-2019 Drinking Water Quality Standards

保定市市場監(jiān)督管理局, Biochemical ratio of water quality

DB1306/T 207-2022 Drinking water quality standards

Hainan Provincial Standard of the People's Republic of China, Biochemical ratio of water quality

DB4601/T 3-2021 Drinking Water Quality Standards

國家能源局, Biochemical ratio of water quality

NB/T 34057.3-2017 Determination of chemical composition of lignocellulosic biomass raw materials Part 3: Determination of moisture

NL-NEN, Biochemical ratio of water quality

NEN-ISO 9439:1993 Water quality. Evaluation in an aqueous medium of the "ultimate" aerobic biodegradability of organic compounds. Method by analysis of released carbon dioxide (ISO 9439:1990)
NEN-ISO 9888:1993 Water quality. Evaluation of the aerobic biodegradability of organic compounds in an aqueous medium. Static test (Zahn-Wellens method) (ISO 9888:1991)

(U.S.) Ford Automotive Standards, Biochemical ratio of water quality

FORD FLTM AQ 109-01-2001 SILICATE TO HYDROXIDE RATIO - HYDROPHILIC SEALER FOR CONVERSION COATING

Japanese Industrial Standards Committee (JISC), Biochemical ratio of water quality

JIS K 0400-80-10:2000 Water quality -- Measurement of biochemical parameters -- Spectrometric determination of the chlorophyll-a concentration
JIS K 0400-21-10:1999 Water quality -- Determination of biochemical oxygen demand after 5 days (BOD5) -- Dilution and seeding method

Standard Association of Australia （SAA）, Biochemical ratio of water quality

AS 4351.6:1996 Biodegradability - Organic compounds in an aqueous medium - Guidance for the determination of biodegradability of poorly soluble organic compounds

CL-INN, Biochemical ratio of water quality

INDITECNOR 23-54ch-1956 Greasey Objects: Method of Measurement of Percent Unsaponified Material

HU-MSZT, Biochemical ratio of water quality

MSZ 9695/3-1974 Waterproof valve inspection, hydrocarbon comparison

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