Water quality nitrite detection

Water quality nitrite detection, Total:212 items.

In the international standard classification, Water quality nitrite detection involves: Water quality, Meat, meat products and other animal produce, Analytical chemistry, Milk and milk products, Fruits. Vegetables, General methods of tests and analysis for food products, Food products in general, Paint ingredients, Inorganic chemicals, Test conditions and procedures in general, Environmental testing, Sugar. Sugar products. Starch, Beverages, Prepackaged and prepared foods, Products of non-ferrous metals, Non-metalliferous minerals.

Group Standards of the People's Republic of China, Water quality nitrite detection

T/XMTIC 0001-2024 Rapid method for the determination of nitrite in water
T/CPCIF 0168-2021 Rapid detection kits for nitrite，nitrate and ammonia nitrogen in water
T/NAIA 0248-2023 Determination of nitrite nitrogen in water quality by continuous flow analysis method
T/CHES 14-2017 Water Quality Determination of Nitrite Nitrogen Gas Phase Molecular Absorption Spectrometry
T/LNIQA 019-2024 Determination of fluoride, chloride, nitrate, nitrite, sulfate, bromate and phosphate content in drinking natural mineral water - ion chromatography

Danish Standards Foundation, Water quality nitrite detection

DS 223:1991 Water analysis. Determination of the sum of nitrite- and nitrate-nitrogen
DS/EN 12014-3:2005 Foodstuffs – Determination of nitrate and/or nitrite content – Part 3: Spectrometric determination of nitrate and nitrite content of meat products after enzymatic reduction of nitrate to nitrite
DS/EN ISO 13395:1997 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
DS 230:1988 Water quality. Nitrate- + nitrite-nitrogen. Reduction by Devardas alloy
DS/EN 26777:2003 Water quality - Determination of nitrite - Molecular absorption spectrometric method
DS/EN 12014-4:2005 Foodstuffs – Determination of nitrate and/or nitrite content – Part 4: Ion-exchange chromatographic (IC) method for the determination of nitrate and nitrite content of meat products
DS/EN ISO 10304-1:2009 Water quality - Determination of dissolved anions by liquid chromatography of ions - Part 1: Determination of bromide, chloride, fluoride, nitrate, nitrite, phosphate and sulfate

YU-JUS, Water quality nitrite detection

JUS H.Z1.137-1985 Testing of industrial vvaters. Determination of nitrite-nitrate and the combined nitrite-nitrate nitrogen, Spectrophotometric method

NO-SN, Water quality nitrite detection

NS 4745-1991 Water analysis - Determination of the sum of nitrite nitrogen and nitrate nitrogen
NS 4865-1983 Air quality - Determination of the sum of nitrite- and nitrate-nitrogen in precipitation

South African Bureau of Standard, Water quality nitrite detection

SANS 5210:2010 Water - Nitrate and nitrite content
SANS 5210:2006 Water - Nitrate and nitrite content
SANS 13395:1996 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
SANS 6777:1984 Water quality - Determination of nitrite - Molecular absorption spectrometric method

HU-MSZT, Water quality nitrite detection

MNOSZ 9475-1952 Wine testing. Nitrate and nitrite content indicators and detection
MSZ 448/12.lap-1964 Drinking water nitrate and nitrite ions definition

SCC, Water quality nitrite detection

NS 4865:1983 Air quality — Determination of the sum of nitrite- and nitrate-nitrogen in precipitation
DANSK DS/EN ISO 13395:1997 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
BS 2690-7:1968 Methods of testing water used in industry-Nitrite, nitrate and ammonia (free, saline and albuminoid)
NS 4745:1991 Water analysis - Determination of the sum of nitrite nitrogen and nitrate nitrogen
DANSK DS/EN 12014-3:2005 Foodstuffs - Determination of nitrate and/or nitrite content - Part 3: Spectrometric determination of nitrate and nitrite content of meat products after enzymatic reduction of nitrate to nitrite
NS-EN 12014-3:2005 Foodstuffs — Determination of nitrate and/or nitrite content — Part 3: Spectrometric determination of nitrate and nitrite content of meat products after enzymatic reduction of nitrate to nitrite
BS DD ENV 12014-3:1998 Foodstuffs. Determination of nitrate and/or nitrite content-Spectrometric determination of nitrate and nitrite content of meat products after enzymatic reduction of nitrate to nitrite
DANSK DS/EN 26777:2003 Water quality - Determination of nitrite - Molecular absorption spectrometric method
AENOR UNE-EN ISO 13395:1997 WATER QUALITY. DETERMINATION OF NITRITE NITROGEN AND NITRATE NITROGEN AND THE SUM OF BOTH BY FLOW ANALYSIS (CFA AND FIA) AND SPECTROMETRIC DETECTION. (ISO 13395:1996).
DANSK DS/ISO 15923-1:2013 Water quality - Determination of selected parameters by discrete analysis systems - Part 1: Ammonium, nitrate, nitrite, chloride, orthophosphate, sulfate and silicate with photometric detection
11/30217195 DC BS ISO 15923-1. Water quality. Determination of ions by a discrete analysis system and spectrophotometric detection. Part 1. Ammonium, chloride, nitrate, nitrite, orthophosphate, silicate and sulfate
BS DD ENV 12014-4:1998 Foodstuffs. Determination of nitrate and/or nitrite content-Ion-exchange chromatographic (IC) method for the determination of nitrate and nitrite content of meat products
NS-EN ISO 13395:1996 Water quality — Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection (ISO 13395:1996)
06/30126102 DC ISO 10304. Water quality. Determination of dissolved bromide, chloride, fluoride, nitrate, nitrite, phosphate and sulfate. Method by liquid chromatography of ions
NS-EN 26777:1993 Water quality — Determination of nitrite — Molecular absorption spectrometric method (ISO 6777:1984)
DIN ISO 15923-1 E:2012 Draft Document - Water quality - Determination of ions by a discrete analysis system and spectrophotometric detection - Part 1: Ammonium, chloride, nitrate, nitrite, orthophosphate, silicate and sulfate (ISO/DIS 15923-1:2011)
DIN EN ISO 15923-1 E:2024 Draft Document - Water quality - Determination of selected parameters by discrete analysis systems - Part 1: Ammonium, nitrate, nitrite, chloride, orthophosphate, sulfate and silicate with photometric detection (ISO 15923-1:2013); German and English ve.
DANSK DS/EN 12014-4:2005 Foodstuffs - Determination of nitrate and/or nitrite content - Part 4: Ion-exchange chromatographic (IC) method for the determination of nitrate and nitrite content of meat products
AENOR UNE 34113:1981 Fruits, vegetables and derived products. Determination of nitrite and nitrate content. Photometric method.
NS-EN 12014-4:2005 Foodstuffs — Determination of nitrate and/or nitrite content — Part 4: Ion-exchange chromatographic (IC) method for the determination of nitrate and nitrite content of meat products
DANSK DS/EN ISO 10304-1:2009 Water quality - Determination of dissolved anions by liquid chromatography of ions - Part 1: Determination of bromide, chloride, fluoride, nitrate, nitrite, phosphate and sulfate

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, Water quality nitrite detection

GB 6912.2-1986 Determination of nitrate and nitrite - Nitrite UV photometric method
GB/T 6912.2-1986 Methods for analysis of water for boiler and for cooling--The determination of nitrates and nitrites--Ultraviolet spectrophotometry for nitrites
GB/T 5413.32-1997 Milk powder--Determination of nitrate and nitrite contents
GB/T 7493-1987 Water quality--Determination of nitrogen (nitrite)--Spectrophotometric method
GB 6912.1-1986 Determination of nitrate and nitrite - Nitrate UV photometric method
GB/T 5009.33-2003 Determination of nitrite and nitrate in foods
GB/T 5009.33-2008 Determination of nitrite and nitrate in foods
GB/T 6912.1-1986 Methods for analysis of water for boiler and for cooling--The determination of nitrates and nitrites--Ultraviolet spectrophotometry for nitrates
GB/T 15401-1994 Fruits,vegetables and derived products--Determination of nitrite and nitrate content
GB/T 13580.5-1992 Determination of fluoride,chloride,ntrite,nitrate,salfate in the wet precipitation.Ion chromotography
GB 6912.3-1986 Determination of nitrate and nitrite a-naphthylamine hydrochloride spectrophotometric method
GB/T 6912.3-1986 Methods for analysis of water for boiler and for cooling--The determination of nitrates and nitrites--Alpha-naphthylamine hydrochloride photometric method
GB/T 6912.1-2006 Methods for analysis of water for boiler and for cooling. Determination of nitrates and nitrites. Part 1: Ultraviolet spectrophotometry for nitrates

Taiwan Provincial Standard of the People's Republic of China, Water quality nitrite detection

CNS 15091-15-2007 Method of test for deep sea water - Determination of nitrite
CNS 12980-1992 Method of Test for Milk and Milk Products - Determination of Nitrate and Nitrite Contents of Edible Cheese
CNS 12980-2007 Method of test for milk and milk products - Determination of nitrate and nitrite content in edible cheese

Indonesia Standards, Water quality nitrite detection

SNI 19-1662-1989 Water and waste water, Test method for nitrite content
SNI 06-2484-2002 Test methods for nitrite content in water by colorymetry
SNI 19-6964.1-2003 Seawater quality - Part 1: Test methods of nitrites (NO2-N) with sulfanilamides by spectrofotometry

European Committee for Standardization (CEN), Water quality nitrite detection

DD ENV 12014-3-1998 Foodstuffs - Determination of Nitrate and/or Nitrite Content - Part 3: Spectrometric Determination of Nitrate and Nitrite Content of Meat Products After Enzymatic Reduction of Nitrate to Nitrite
EN ISO 13395:1996 Water Quality - Determination of Nitrite Nitrogen and Nitrate Nitrogen and the Sum of Both by Flow Analysis (CFA and FIA) and Spectrometric Detection
EN 12014-3:2005 Foodstuffs - Determination of nitrate and/or nitrite content - Part 3: Spectrometric determination of nitrate and nitrite content of meat products after enzymatic reduction of nitrate to nitrite
EN 26777:1993 Water Quality - Determination of Nitrite - Molecular Absorption Spectrometric Method (ISO 6777: 1984)
prEN 26777-1992 Water quality; determination of nitrate; molecular absorption spectrometric method (ISO 6777:1984)
EN 1592-4:1997 Aluminium and aluminium alloys - HF seam welded tubes - Part 4: Tolerances on dimensions and form for square, rectangular and shaped tubes
EN 12014-4:2005 Foodstuffs - Determination of nitrate and/or nitrite content - Part 4: Ion-exchange chromatographic (IC) method for the determination of nitrate and nitrite content of meat products

Standard Association of Australia （SAA）, Water quality nitrite detection

AS 2029:1977 Method for the determination of nitrate and nitrite content in waters

British Standards Institution (BSI), Water quality nitrite detection

BS EN 12014-3:2005 Foodstuffs - Determination of nitrate and/or nitrite content - Spectrometric determination of nitrate and nitrite content of meat products after enzymatic reduction of nitrate to nitrite
BS EN ISO 13395:1996(1998) Water quality — Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
BS ISO 15923-1:2013 Water quality. Determination of selected parameters by discrete analysis systems. Ammonium, nitrate, nitrite, chloride, orthophosphate, sulfate and silicate with photometric detection
BS EN ISO 15923-1:2024 Water quality. Determination of selected parameters by discrete analysis systems - Ammonium, nitrate, nitrite, chloride, orthophosphate, sulfate and silicate with photometric detection
DD ENV 12014-4-1998 Foodstuffs. Determination of nitrate and/or nitrite content. Ion-exchange chromatographic (IC) method for the determination of nitrate and nitrite content of meat products
BS EN 12014-4:2005 Foodstuffs - Determination of nitrate and/or nitrite content - Ion-exchange chromatographic (IC) method for the determination of nitrate and nitrite content of meat products
BS EN 12014-1:1997(2000) Foodstuffs - Determination of nitrate and/or nitrite content - General considerations
BS EN 12014-1:1997 Foodstuffs - Determination of nitrate and/or nitrite content - General considerations
BS EN ISO 10304-2:1997(1998)*BS 6068-2.53:1997 Water quality — Determination of dissolved anions by liquid chromatography of ions — Part 2 : Determination of bromide, chloride, nitrate, nitrite, orthophosphate and sulfate in waste water
BS 6248-11:1987 Caseins and caseinates. Method for determination of nitrate and nitrite contents
BS 4267-7:1987 Ammonium nitrate - Methods for determination of nitrite content
BS EN 12014-5:1997 Foodstuffs - Determination of nitrate and/or nitrite content - Enzymatic determination of nitrate content of vegetable-containing food for babies and infants

SE-SIS, Water quality nitrite detection

SIS SS 02 81 33-1991 Determination of the sum of the nitrite and nitrate nitrogen content of water

GSO, Water quality nitrite detection

OS GSO ISO 13395:2013 Water quality -- Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
GSO ISO 6777:2015 Water quality -- Determination of nitrite -- Molecular absorption spectrometric method
GSO ISO 13395:2013 Water quality -- Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
GSO ISO 15923-1:2015 Water quality -- Determination of selected parameters by discrete analysis systems -- Part 1: Ammonium, nitrate, nitrite, chloride, orthophosphate, sulfate and silicate with photometric detection
BH GSO ISO 15923-1:2017 Water quality -- Determination of selected parameters by discrete analysis systems -- Part 1: Ammonium, nitrate, nitrite, chloride, orthophosphate, sulfate and silicate with photometric detection
GSO ISO 10304-1:2014 Water quality -- Determination of dissolved anions by liquid chromatography of ions -- Part 1: Determination of bromide, chloride, fluoride, nitrate, nitrite, phosphate and sulfate
OS GSO ISO 10304-1:2014 Water quality -- Determination of dissolved anions by liquid chromatography of ions -- Part 1: Determination of bromide, chloride, fluoride, nitrate, nitrite, phosphate and sulfate
BH GSO ISO 10304-1:2016 Water quality -- Determination of dissolved anions by liquid chromatography of ions -- Part 1: Determination of bromide, chloride, fluoride, nitrate, nitrite, phosphate and sulfate

中華人民共和國環(huán)境保護(hù)部, Water quality nitrite detection

GB 7493-1987 Water quality-Determination of nitrogen (nitrite)-Spectrophotometric method
GB 13580.5-1992 Determination of fluoride,chloride,ntrite nitrate,salfate in the wet precipitation-Ion chromotography

RO-ASRO, Water quality nitrite detection

STAS 12754-1989 SEA WATER Nitrites content determination
STAS SR ISO 6777:1996 Water quality - Determination of nitrite - Molecular absorption spectrometric method
STAS 8900/2-1971 SURFACE AND WASTE WATERS Nitrite determination
STAS 10314-1984 MILK AND MILK PRODUCTS Determination of nitrites and nitrates content
STAS 11581-1983 VEGETABLE AND FRUIT PRODUCTSAND VEGETABLE WITH MEAT PRODUCTS Determination of nitrate and nitrite contents

Lithuanian Standards Office , Water quality nitrite detection

LST EN 12014-3-2005 Foodstuffs - Determination of nitrate and/or nitrite content - Part 3: Spectrometric determination of nitrate and nitrite content of meat products after enzymatic reduction of nitrate to nitrite
LST EN ISO 13395:2000 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection (ISO 13395:1996)
LST EN 26777-1999 Water quality - Determination of nitrite - Molecular absorption spectrometric method (ISO 6777:1984)
LST EN 12014-4-2005 Foodstuffs - Determination of nitrate and/or nitrite content - Part 4: Ion-exchange chromatographic (IC) method for the determination of nitrate and nitrite content of meat products

Spanish Association for Standardization (UNE), Water quality nitrite detection

UNE-EN 12014-3:2006 Foodstuffs - Determination of nitrate and/or nitrite content - Part 3: Spectrometric determination of nitrate and nitrite content of meat products after enzymatic reduction of nitrate to nitrite
UNE 34113:1981 FRUIT, VEGETABLE PRODUCTS AND DERIVED PRODUCTS. DETERMINATION OF NITRITES AND NITRITES CONTENT. PHOTOMETRIC METHOD.
UNE-EN ISO 13395:1997 WATER QUALITY. DETERMINATION OF NITRITE NITROGEN AND NITRATE NITROGEN AND THE SUM OF BOTH BY FLOW ANALYSIS (CFA AND FIA) AND SPECTROMETRIC DETECTION. (ISO 13395:1996).
UNE-EN 26777:1994 WATER QUALITY. DETERMINATION OF NITRITE. MOLECULAR ABSORPTION SPECTROMETRIC METHOD. (ISO 6777:1984).
UNE-EN 12014-4:2006 Foodstuffs - Determination of nitrate and/or nitrite content - Part 4: Ion-exchange chromatographic (IC) method for the determination of nitrate and nitrite content of meat products

International Organization for Standardization (ISO), Water quality nitrite detection

ISO 13395:1996 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
ISO 6777:1984 Water quality; Determination of nitrite; Molecular absorption spectrometric method
ISO 10304-2:1995 Water quality - Determination of dissolved anions by liquid chromatography of ions - Part 2: Determination of bromide, chloride, nitrate, nitrite, orthophosphate and sulfate in waste water
ISO 10304-1:1992 Water quality; determination of dissolved fluoride, chloride, nitrite, orthophosphate, bromide, nitrate and sulfate ions, using liquid chromatography of ions; part 1: method for water with low contamination
ISO 15923-1:2013 Water quality.Determination of selected parameters by discrete analysis systems.Part 1: Ammonium, nitrate, nitrite, chloride, orthophosphate, sulfate and silicate with photometric detection
ISO 6736:1982 Dried milk; Determination of nitrate and nitrite contents; Method by cadmium reduction and photometry
ISO 6635:1984 Fruits, vegetables and derived products; Determination of nitrite and nitrate content; Molecular absorption spectrometric method
ISO 10304-1:2007 Water quality - Determination of dissolved anions by liquid chromatography of ions - Part 1: Determination of bromide, chloride, fluoride, nitrate, nitrite, phosphate and sulfate

Association Francaise de Normalisation, Water quality nitrite detection

NF V05-121:1979 Fruits, légumes et produits dérivés - Détermination des teneurs en nitrites et en nitrates
NF EN 12014-3:2005 Food products - Determination of the nitrate and/or nitrite content - Part 3: spectrometric determination of the nitrate and nitrite content of meat products after enzymatic reduction of nitrates to nitrites
NF V03-010-3*NF EN 12014-3:2005 Foodstuffs - Determination of nitrate and/or nitrite content - Part 3 : spectrometric determination of nitrate and nitrite content of meat products after enzymatic reduction of nitrate to nitrite
NF T90-436-1*NF ISO 15923-1:2014 Water quality - Determination of selected parameters by discrete analysis systems - Part 1 : ammonium, nitrate, nitrite, chloride, orthophosphate, sulfate and silicate with photometric detection
NF ISO 15923-1:2014 Water quality - Determination of selected parameters by discrete analysis systems - Part 1: ammonium, nitrate, nitrite, chloride, orthophosphate, sulfate and silicate by photometric detection
NF T90-013*NF EN 26777:1993 Water quality - Determination of nitrite - Molecular absorption spectrometric method.
NF V03-010-3:1998 Foodstuffs. Determination of nitrate and/or nitrite content. Part 3 : spectrometric determination of nitrate and nitrite content of meat products after enzymatic reduction of nitrate to nitrite.
NF EN 26777:1993 Water quality - Nitrite dosage - Molecular absorption spectrometry method
NF EN 12014-4:2005 Food products - Determination of the nitrate and/or nitrite content - Part 4: determination by ion chromatography (IC) of the nitrate and nitrite content in meat products
NF V03-010-4*NF EN 12014-4:2005 Foodstuffs - Determination of nitrate and/or nitrite content - Part 4 : ion-exchange chromatographic (IC) method for the determination of nitrate and nitrite content of meat products
NF T90-042-1*NF EN ISO 10304-1:2009 Water quality - Determination of dissolved anions by liquid chromatography of ions - Part 1 : determination of bromide, chloride, fluoride, nitrate, nitrite, phosphate and sulfate.
NF T90-046:1996 Water quality - Determination of dissolved anions by liquid chromatography of ions - Part 2 : determination of bromide, chloride, nitrate, nitite, orthophosphate and sulfate in waste water.
NF EN ISO 10304-1:2009 Water quality - Determination of dissolved anions by liquid ion chromatography - Part 1: determination of bromide, chloride, fluoride, nitrate, nitrite, phosphate and sulfate
NF T90-042:1995 Water quality - Determination of dissolved fluoride, chloride, nitrite, orthophosphate, bromide, nitrate and sulfate ions, using liquid chromatography of ions - Part 1 : method for water with low contamination.
NF V03-010-4:1998 Foodstuffs. Determination of nitrate and/or nitrite content. Part 4 : ion-exchange chromatographic (IC) method for the determination of nitrate and nitrite content of meat products.

Korean Agency for Technology and Standards (KATS), Water quality nitrite detection

KS I ISO 13395:2008 Water quality-Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
KS I ISO 6777:2007 Water quality－Determination of nitrite－Molecular absorption spectrometric method
KS I ISO 6777-2007(2017) Water quality－Determination of nitrite－Molecular absorption spectrometric method
KS I 3220-2017 Water quality－Determination of nitrate
KS I 3220-2007(2017) Water quality－Determination of nitrate
KS I 3220-2007 Water quality－Determination of nitrate
KS I ISO 13395-2018 Water quality－Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
KS I ISO 13395-2008(2018) Water quality－Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
KS M 9108-1996 Water quality-Determination of dissolved fluoride,chloride,nitrite,orthophosphate,bromide,nitrate and sulfate ions,using liquid chromatography of ions(Method for water with low contamination)
KS M ISO 10304-2-2008 Water quality－Determination of dissolved anions by liquid chromatography of ions－Part 2：Determination of bromide, chloride, nitrate,nitrite, orthophosphate and sulfate in waste water
KS H ISO 4099:2001 Cheese－Determination of nitrate and nitrite contents－Method by cadmium reduction and photometry
KS H ISO 6736:2001 Dried milk－Determination of nitrate and nitrite contents－Method by cadmium reduction and photometry
KS H ISO 4099:2006 Cheese－Determination of nitrate and nitrite contents－Method by cadmium reduction and photometry
KS H ISO 6736:2006 Dried milk－Determination of nitrate and nitrite contents－Method by cadmium reduction and photometry
KS I ISO 10304-1:2006 Water quality-Determination of dissolved fluoride, chloride, nitrite, orthophosphate, bromide, nitrate and sulfate ions, using liquid chromatography of ions-Part 1:Method for water with low contamination

American Society for Testing and Materials (ASTM), Water quality nitrite detection

ASTM D3867-99 Standard Test Methods for Nitrite-Nitrate in Water
ASTM D3867-09 Standard Test Methods for Nitrite-Nitrate in Water
ASTM D3867-04 Standard Test Methods for Nitrite-Nitrate in Water
ASTM D3867-16 Standard Test Methods for Nitrite-Nitrate in Water
ASTM D7781-23 Standard Test Method for Nitrite-Nitrate in Water by Nitrate Reductase
ASTM D3867-16(2021)e1 Standard Test Methods for Nitrite-Nitrate in Water
ASTM D7781-14 Standard Test Method for Nitrite-Nitrate in Water by Nitrate Reductase

German Institute for Standardization, Water quality nitrite detection

DIN EN 12014-3:2005 Foodstuffs - Determination of nitrate and/or nitrite content - Part 3: Spectrometric determination of nitrate and nitrite content of meat products after enzymatic reduction of nitrate to nitrite; German version EN 12014-3:2005
DIN EN 12014-3:2005-08 Foodstuffs - Determination of nitrate and/or nitrite content - Part 3: Spectrometric determination of nitrate and nitrite content of meat products after enzymatic reduction of nitrate to nitrite; German version EN 12014-3:2005
DIN EN 26777:1993 Water quality; determination of nitrite; molecular absorption spectrometric method (ISO 6777:1984); german version EN 26777:1993
DIN EN ISO 13395:1996-12 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection (ISO 13395:1996); German version EN ISO 13395:1996
DIN ISO 15923-1 E:2012-01 Water quality - Determination of selected parameters by discrete analysis systems - Part 1: Ammonium, nitrate, nitrite, chloride, orthophosphate, sulfate and silicate with photometric detection
DIN ISO 15923-1:2014-07 Water quality - Determination of selected parameters by discrete analysis systems - Part 1: Ammonium, nitrate, nitrite, chloride, orthophosphate, sulfate and silicate with photometric detection (ISO 15923-1:2013)
DIN ISO 15923-1:2014 Water quality - Determination of selected parameters by discrete analysis systems - Part 1: Ammonium, nitrate, nitrite, chloride, orthophosphate, sulfate and silicate with photometric detection (ISO 15923-1:2013)
DIN EN 26777:1993-04 Water quality; determination of nitrite; molecular absorption spectrometric method (ISO 6777:1984); german version EN 26777:1993
DIN EN 12014-4:2005-08 Foodstuffs - Determination of nitrate and/or nitrite content - Part 4: Ion-exchange chromatographic (IC) method for the determination of nitrate and nitrite content of meat products; German version EN 12014-4:2005
DIN EN 12014-4:2005 Foodstuffs - Determination of nitrate and/or nitrite content - Part 4: Ion-exchange chromatographic (IC) method for the determination of nitrate and nitrite content of meat products; German version EN 12014-4:2005
DIN EN ISO 10304-1:1995 Water quality - Determination of dissolved anions by liquid chromatography of ions - Part 1: Determination of bromide, chloride, fluoride, nitrate, nitrite, phosphate and sulfate
DIN EN ISO 10304-1:2009-07 Water quality - Determination of dissolved anions by liquid chromatography of ions - Part 1: Determination of bromide, chloride, fluoride, nitrate, nitrite, phosphate and sulfate (ISO 10304-1:2007); German version EN ISO 10304-1:2009

CZ-CSN, Water quality nitrite detection

CSN 65 4102-1984 Tempenng hitrate and nitrite salts
CSN 68 4132-1985 Determination of small mouts of nitrites

KR-KS, Water quality nitrite detection

KS I ISO 6777-2023 Water quality — Determination of nitrite — Molecular absorption spectrometric method
KS I ISO 10304-1-2023 Water quality — Determination of dissolved anions by liquid chromatography of ions — Part 1: Determination of bromide, chloride, fluoride, nitrate, nitrite, phosphate and sulfate
KS H ISO 6736-2001 Dried milk－Determination of nitrate and nitrite contents－Method by cadmium reduction and photometry
KS H ISO 4099-2001 Cheese－Determination of nitrate and nitrite contents－Method by cadmium reduction and photometry

VN-TCVN, Water quality nitrite detection

TCVN 6178-1996 Water quality.Determination of nitrite.Molecular absorption spectrometric method
TCVN 6180-1996 Water quality.Determination of nitrate.Spectrometric method using sulfosalicylic acid sunfosalixilic
TCVN 6494-1-2011 Water quality.Determination of dissolved anions by liquid chromatography of ions.Part 1: Determination of bromide, chloride, fluoride, nitrate, nitrite, phosphate and sulfate
TCVN 7257-2003 Tobacco and tobacco products.Determination of total nitrate and nitrite contents
TCVN 2323-1978 Reagents.Methods for the determination of nitrites

Japanese Industrial Standards Committee (JISC), Water quality nitrite detection

JIS K 0170-2:2019 Testing methods for water quality by flow analysis -- Part 2: Nitrite nitrogen and nitrate nitrogen
JIS K 0170-2:2011 Testing methods for water quality by flow analysis -- Part 2: Nitrite nitrogen and nitrate nitrogen
JIS K 0400-43-30:2000 Water quality -- Determination of nitrite -- Molecular absorption spectrometric method
JIS K 0400-35-40:2000 Water quality -- Determination of dissolved anions by liquid chromatography of ions -- Part 2: Determination of bromide, chloride, nitrate, nitrite, orthophosphate and sulfate in waste water
JIS K 0400-43-60:2000 Water quality -- Determination of nitrate -- Part 3: Spectrometric method using sulfosalicylic acid
JIS K 0400-35-30:1999 Water quality -- Determination of dissolved fluoride, chrolide, nitrite, orthophosphate, bromide, nitrate and sulfate ions, using liquid chromatography of ions Part 1: Method for water with low contamination
JIS K 0400-43-40:2000 Water quality -- Determination of nitrate -- Part 1: 2,6-Dimethylphenol spectrometric method

AT-ON, Water quality nitrite detection

ONORM M 6283-1990 Water analysis; determination of fluoride, Chloride, nitrite, Phosphate, bromide, nitrate and sulfate by Ion exchange chromatography
ONORM EN 26777-1993 Water quality - Determination of nitrite - Molecular absorption spectrometric method (ISO 6777:1984)
ONORM DIN 10338-1992 Determination of nitrate and nitrite contents of cheese - Method by cadmium reduction

NL-NEN, Water quality nitrite detection

NEN 6474-1981 Water ■ Photometric determination of nitrite content
NEN-ISO 6777:1993 Water quality. Determination of nitrite. Molecular absorption spectrometric method (ISO 6777:1984)

Professional Standard - Urban Construction, Water quality nitrite detection

CJ 26.26-1991 Municipal sewage water quality inspection method standard Determination of nitrite nitrogen spectrophotometric method

Professional Standard - Light Industry, Water quality nitrite detection

QB/T 4446-2012 General test method in salt industry.Determination of nitrite
QB/T 5013-2016 Determination of nitrite in sugars

RU-GOST R, Water quality nitrite detection

GOST EN 12014-3-2015 Foodstuffs. Determination of nitrate and/or nitrite content. Part 3. Spectrophotometric determination of nitrate and nitrite content of meat products after enzymatic reduction of nitrate to nitrite
GOST 10671.3-2016 Reagents. Methods for determination of nitrites impurity
GOST R 51454-1999 Caseins and caseinates. Method of determination of nitrate and nitrite contents
GOST R 51460-1999 Cheese. Method for determination of nitrate and nitrite contents
GOST EN 12014-4-2015 Foodstuffs. Determination of nitrate and/or nitrite content. Part 4. Determination of nitrate and nitrite content in meat products by ion-exchange chromatographic method
GOST 32257-2013 Milk and milk products. Method for determination of nitrate and nitrite contents
GOST 10671.3-1974 Reagents. Methods for determination of nitrites
GOST 8558.1-1978 Meat products. Methods for determination of nitrit

Professional Standard - Agriculture, Water quality nitrite detection

GB/T 5009.33-1996 Determination method of nitrite and nitrate in food
KJ 201704 Rapid detection of nitrite in food by naphthalene ethylenediamine hydrochloride method
NY/T 1375-2007 Determination of Nitrite and Nitrate in Plant Products Ion Chromatography Method

PL-PKN, Water quality nitrite detection

PN A75112-1992 Fruits, vegetables and derived products. Determination of nitrites and nitrates content
PN A82114-1974 Mea? and meat produc?s Determinalion of nitrites and ni?ra?es
PN C04642-05-1991 Water and waste water. Tests of pollutants in atmospheric precipitation. Determination of nitrite and the sum of nitrate and nitrite by colorimetric method
PN C04536-1986 Reagents Determination of smali quantities of nitrites

BSI, Water quality nitrite detection

NS-EN ISO 15923-1:2024 Water quality - Determination of selected parameters by discrete analysis systems - Part 1: Ammonium, nitrate, nitrite, chloride, orthophosphate, sulfate and silicate with photometric detection (ISO 15923-1:2013)

Professional Standard - Environmental Protection, Water quality nitrite detection

HJ/T 197-2005 Water quality - Determination of nitrite-nitrogen Gas-phase molecular absorption spectrometry

BE-NBN, Water quality nitrite detection

NBN V 21-027-1982 Cheese - Determination of nitrate and nitrite contents - Reference method
NBN T 91-257-1977 Water analysis methods - Determination of the nitrite nitrogen - Photoraetric method

GM Europe, Water quality nitrite detection

GME B 040 0722-1987 Nitrite accelerator

Yunnan Provincial Standard of the People's Republic of China, Water quality nitrite detection

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DZ/T 0064.60-1993 Spectrophotometric method for determination of nitrite radicals in groundwater quality testing

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