Ammonia-nitrogen ratio

Ammonia-nitrogen ratio, Total:220 items.

In the international standard classification, Ammonia-nitrogen ratio involves: Fertilizers, Analytical chemistry, Plastics, Water quality, Animal feeding stuffs, Wind turbine systems and other alternative sources of energy, Sugar. Sugar products. Starch, Cellular materials, Products of the chemical industry, Wastes, Linear and angular measurements, Products of the textile industry, Raw materials for rubber and plastics, Sterilization and disinfection, Vocabularies, Soil quality. Pedology, Air quality, Photography, Construction materials, Organic chemicals, Meat, meat products and other animal produce.

SCC, Ammonia-nitrogen ratio

AENOR UNE 77028:2002 Water quality. Determination of ammoniacal nitrogen. Method by distillation and titration or colorimetry.
DANSK DS/EN 15475:2009 Fertilizers - Determination of ammoniacal nitrogen
NS-EN 15475:2009 Fertilizers — Determination of ammoniacal nitrogen
UNE-CEN/TS 15475:2007 EX Fertilizers - Determination of ammoniacal nitrogen
DANSK DS/ISO 25475:2020 Fertilizers – Determination of ammoniacal nitrogen
UNE-CEN/TS 15476:2007 EX Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda
NS-EN 15476:2009 Fertilizers — Determination of nitric and ammoniacal nitrogen according to Devarda
SN-CEN/TS 15475:2006 Fertilizers — Determination of ammoniacal nitrogen
NS 4746:1975 Water analysis - Determination of ammonia-nitrogen
AENOR UNE-EN 15476:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda
DANSK DS/EN 15559:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd
UNE-CEN/TS 15559:2007 EX Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd
SN-CEN/TS 15476:2006 Fertilizers — Determination of nitric and ammoniacal nitrogen according to Devarda
DANSK DS/EN 15476:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda
SN-CEN/TS 15559:2007 Fertilizers — Determination of nitric and ammoniacal nitrogen according to Arnd
AENOR UNE-EN 15558:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch
NS-EN 15559:2009 Fertilizers — Determination of nitric and ammoniacal nitrogen according to Arnd
UNE-CEN/TS 15558:2007 EX Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch
DANSK DS/EN 15558:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch
NS-EN 15558:2009 Fertilizers — Determination of nitric and ammoniacal nitrogen according to Ulsch
NS-EN 15750:2009 Fertilizers — Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
SN-CEN/TS 15750:2008 Fertilizers — Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
DANSK DS/EN 15750:2009 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
SN-CEN/TS 15558:2007 Fertilizers — Determination of nitric and ammoniacal nitrogen according to Ulsch
AENOR UNE-EN 15750:2010 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
UNE-CEN/TS 15604:2008 EX Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
BS DD CEN/TS 15750:2008 Fertilizers. Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
SN-CEN/TS 15604:2007 Fertilizers — Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
DANSK DS/ISO 15604:2020 Fertilizers – Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
DANSK DS/EN 15604:2009 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
NS-EN 15604:2009 Fertilizers — Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
08/30179332 DC BS EN 15604. Fertilizers. Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
08/30179319 DC BS EN 15559. Fertilizers. Determination of nitric and ammoniacal nitrogen according to Arnd
AS 1871.10:1976 List of methods for examination of waters Nitrogen (ammonia)
08/30179304 DC BS EN 15476. Fertilizers. Determination of nitric and ammoniacal nitrogen according to Devarda
AS 1871.11:1976 List of methods for examination of waters Nitrogen (total Kjeldahl incl. ammoniacal)
BS DD CEN/TS 15750:2006 Fertilizers. Determination of different forms of nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
DIN EN 15750 E:2009 Draft Document - Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods; German version prEN 15750:2009
08/30179316 DC BS EN 15558. Fertilizers. Determination of nitric and ammoniacal nitrogen according to Ulsch
08/30179301 DC BS EN 15475. Fertilizers. Determination of ammoniacal nitrogen
DIN EN ISO 25475 E:2019 Draft Document - Fertilizers - Determination of ammoniacal nitrogen (ISO 25475:2016); German and English version prEN ISO 25475:2019
DIN EN ISO 15604 E:2019 Draft Document - Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen (ISO 15604:2016); German and English version prEN ISO 15604:2019
AENOR UNE-EN 15560:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
SN-CEN/TS 15560:2007 Fertilizers — Determination of total nitrogen in calcium cyanamide nitrate free
UNE-CEN/TS 15560:2007 EX Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
NS-EN 15560:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
DANSK DS/EN 15560:2009 Fertilizers – Determination of total nitrogen in calcium cyanamide nitrate free

GOSTR, Ammonia-nitrogen ratio

GOST R ISO 15604-2019 Fertilizers. Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen

RU-GOST R, Ammonia-nitrogen ratio

GOST EN 15604-2013 Fertilizers. Determination of different forms of nitrogen in the same sample: nitric, ammoniacal, cyanamide and urea nitrogen
GOST 30181.6-1994 Mineral fertilizers. Method for determination of mass fraction of nitrogen in ammonium salts (in ammonium form, using the formaldehyde method)
GOST EN 15475-2013 Fertilizers. Determination of ammoniacal nitrogen
GOST EN 15476-2013 Fertilizers. Determination of nitric and ammoniacal nitrogen according to Devarda
GOST EN 15559-2013 Fertilizers. Determination of nitric and ammoniacal nitrogen according to Arnd
GOST EN 15558-2013 Fertilizers. Determination of nitric and ammoniacal nitrogen according to Ulsch selon
GOST EN 15562-2013 Fertilizers. Determination of cyanamide nitrogen
GOST 26716-1985 Organic fertilizers. Methods for determination of ammonium nitrogen
GOST EN 15750-2016 Fertilizers. Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
GOST R 55479-2013 Meat and meat products. Method for determination of amino-ammonia nitrogen

Association Francaise de Normalisation, Ammonia-nitrogen ratio

NF U42-149*NF EN 15604:2009 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
NF U42-144*NF EN 15558:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch
NF U42-145*NF EN 15559:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd
NF EN 15475:2009 Fertilizers - Determination of ammoniacal nitrogen
NF U42-147*NF EN 15561:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrate
NF U42-121*NF EN 15475:2009 Fertilizers - Determination of ammoniacal nitrogen
NF U42-142*NF EN 15476:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda
NF U42-148*NF EN 15562:2009 Fertilizers - Determination of cyanamide nitrogen.
NF T90-015:1975 TESTING WATER-DETERMINATION OF NITROGEN (AMMONIA)
NF U42-503*NF EN 15750:2010 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
NF EN 15750:2010 Fertilizers - Determination of the total nitrogen content of fertilizers containing nitrogen only in nitric, ammoniacal and urea form, using two different methods
NF EN ISO 120:1998 Plastics - Molded parts based on phenoplasts - Determination of free ammonia and ammonia compounds. Colorimetric comparison method
NF EN 15561:2009 Fertilizers - Determination of total nitrogen in nitrated calcium cyanamide

British Standards Institution (BSI), Ammonia-nitrogen ratio

BS DD CEN/TS 15604:2007 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
BS EN 15604:2009 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
DD CEN/TS 15604:2007 Fertilizers — Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
BS DD CEN/TS 15475:2006 Fertilizers - Determination of ammoniacal nitrogen
DD CEN/TS 15559:2007 Fertilizers. Determination of nitric and ammoniacal nitrogen according to Arnd
BS DD CEN/TS 15558:2007 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch
BS DD CEN/TS 15559:2007 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd
BS EN 15475:2009 Fertilizers — Determination of ammoniacal nitrogen
BS DD CEN/TS 15562:2007 Fertilizers - Determination of cyanamide nitrogen
BS EN 15558:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch
BS EN 15476:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda
BS ISO 25761:2008 Plastics - Polyols for use in the production of polyurethanes - Determination of basicity (total amine value), expressed as percent nitrogen
14/30313907 DC BS ISO 25475. Fertilizers. Determination of ammoniacal nitrogen
BS ISO 25761:2014 Plastics. Polyols for use in the production of polyurethanes. Determination of basicity (total amine value), expressed as percent nitrogen
14/30313910 DC BS ISO 15604. Fertilizers. Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
BS DD CEN/TS 15476:2006 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda
BS EN 15750:2010 Fertilizers. Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
BS EN 15559:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd
BS EN 15750:2009 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
BS EN ISO 9702:1997 Plastics - Amine epoxide hardeners - Determination of primary, secondary and tertiary amine group nitrogen content
BS 5551-4.1.2:1982 Fertilizers. Chemical analysis. Determination of nitrogen. Determination of ammoniacal nitrogen, titrimetric method after distillation
BS ISO 6851:2001 Photography. Processing waste. Determination of total amino nitrogen (microdiffusion Kjeldahl method)

Danish Standards Foundation, Ammonia-nitrogen ratio

DS/EN 15476:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda
DS/EN 15558:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch
DS/EN 15475:2009 Fertilizers - Determination of ammoniacal nitrogen
DS/EN 15559:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd
DS 224:1975 Water analysis. Determination of ammonia-nitrogen
DS/EN 15604:2009 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
DS 241:1988 Water quality. Ammonium-nitrogen. Distillation and titration method
DS/EN 15750:2010 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods

AENOR, Ammonia-nitrogen ratio

UNE-EN 15476:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda
UNE-EN 15558:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch
UNE-EN 15475:2009 Fertilizers - Determination of ammoniacal nitrogen
UNE-EN 15559:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd
UNE-EN 15604:2009 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
UNE-EN 15750:2010 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods

Professional Standard - Business, Ammonia-nitrogen ratio

SB/T 10318-1999 Analysis of ammoniacal nitrogen

Lithuanian Standards Office , Ammonia-nitrogen ratio

LST EN 15476-2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda
LST EN 15558-2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch
LST EN 15475-2009 Fertilizers - Determination of ammoniacal nitrogen
LST EN 15559-2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd
LST EN 15604-2009 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
LST EN 15750-2010 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods

Professional Standard - Chemical Industry, Ammonia-nitrogen ratio

HGB 3470-1962 p-aminoazobenzene
HGB 3085-1959 Dimethyl Yellow (Dimethylaminoazobenzene)
HGB 3517-1962 Neutral red (2-methyl-3-amino-6-dimethylaminodiazaanthene hydrochloride)

CEN - European Committee for Standardization, Ammonia-nitrogen ratio

PD CEN/TS 15476:2006 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda
PD CEN/TS 15558:2007 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch
PD CEN/TS 15475:2006 Fertilizers - Determination of ammoniacal nitrogen
PD CEN/TS 15559:2007 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd
PD CEN/TS 15604:2007 Fertilizers - Determination of different forms of nitrogen in the same sample@ containing nitrogen as nitric@ ammoniacal@ urea and cyanamide nitrogen

German Institute for Standardization, Ammonia-nitrogen ratio

DIN CEN/TS 15604:2008 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen; German version CEN/TS 15604:2007
DIN EN 15475:2009-04 Fertilizers - Determination of ammoniacal nitrogen; German version EN 15475:2009 / Note: To be replaced by DIN EN ISO 25475 (2019-06).
DIN EN 15558:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch; English version of DIN EN 15558:2009-06
DIN EN 15559:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd; English version of DIN EN 15559:2009-06
DIN EN 15559:2009-06 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd; German version EN 15559:2009
DIN EN 15475:2009 Fertilizers - Determination of ammoniacal nitrogen; English version of DIN EN 15475:2009-04
DIN EN 15476:2009-04 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda; German version EN 15476:2009
DIN CEN/TS 15562:2007 Fertilizers - Determination of cyanamide nitrogen; German version CEN/TS 15562:2007
DIN CEN/TS 15558:2007 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch; German version CEN/TS 15558:2007
DIN EN 15750:2010-02 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods; German version EN 15750:2009
DIN EN 15476:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda; English version of DIN EN 15476:2009-04
DIN EN 15558:2009-06 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch; German version EN 15558:2009
DIN EN 15604:2009-06 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen; German version EN 15604:2009 / Note: To be replaced by DIN EN ISO 15604 (2019-06).
DIN CEN/TS 15559:2007 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd; German version CEN/TS 15559:2007
DIN CEN/TS 15750:2008 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods; German version CEN/TS 15750:2008
DIN EN 15750:2010 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods; German version EN 15750:2009
DIN EN 15604:2009 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen; English version of DIN EN 15604:2009-06

RO-ASRO, Ammonia-nitrogen ratio

SR 184-25-1998 Ethyl alcohol. Determination of ammonia and azotic bases nitrogen content
STAS 8683-1970 SURFACE AND WASTE WATERS Determination of ainm nia nitrogen

Group Standards of the People's Republic of China, Ammonia-nitrogen ratio

T/CIMA 0041-2021 Ammonia Nitrogen Rapid Tester
T/NAIA 001-2020 Determination of ammoniacal nitrogen in fermented feed Kjeldahl method
T/ACEF 145-2024 Technical specification for anammox treatment of high strength ammonia nitrogen wastewater
T/NAIA 0169-2022 Water Quality Determination of Ammonia Nitrogen by Ion Chromatography
T/SCSX 0104-2020 "Ammonia nitrogen remover for water treatment agent" group standard
T/CIEP 0036-2023 Technical specifications for chemical treatment of high ammonia nitrogen wastewater

Professional Standard - Agriculture, Ammonia-nitrogen ratio

ZB X 66038-1987 Amino nitrogen determination method
JAP-031 Azaphenanthridine detection method

GSO, Ammonia-nitrogen ratio

BH GSO ISO 25475:2022 Fertilizers — Determination of ammoniacal nitrogen
GSO ISO 25475:2021 Fertilizers — Determination of ammoniacal nitrogen
GSO ISO 25761:2013 Plastics - Polyols for use in the production of polyurethanes - Determination of basicity (total amine value), expressed as percent nitrogen
OS GSO ISO 25761:2013 Plastics - Polyols for use in the production of polyurethanes - Determination of basicity (total amine value), expressed as percent nitrogen
BH GSO ISO 25761:2016 Plastics - Polyols for use in the production of polyurethanes - Determination of basicity (total amine value), expressed as percent nitrogen
GSO ISO 120:2015 Plastics -- Phenol-formaldehyde mouldings -- Determination of free ammonia and ammonium compounds -- Colorimetric comparison method
GSO ISO 6851:2015 Photography -- Processing waste -- Determination of total amino nitrogen (microdiffusion Kjeldahl method)

European Committee for Standardization (CEN), Ammonia-nitrogen ratio

EN 15558:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch
EN 15475:2009 Fertilizers - Determination of ammoniacal nitrogen
EN 15604:2009 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
EN 15750:2009 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
EN 15476:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda
PD CEN/TS 15750:2008 Fertilizers - Determination of different forms of nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
EN 15559:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd

International Organization for Standardization (ISO), Ammonia-nitrogen ratio

ISO 25475:2016 Fertilizers - Determination of ammoniacal nitrogen
ISO 25761:2008 Plastics - Polyols for use in the production of polyurethanes - Determination of basicity (total amine value), expressed as percent nitrogen
ISO 25761:2014 Plastics - Polyols for use in the production of polyurethanes - Determination of basicity (total amine value), expressed as percent nitrogen
ISO 15604:2016 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen

BE-NBN, Ammonia-nitrogen ratio

NBN T 91-255-1976 Water analysis methods - Determination of the ammoniacal and organic nitrogen - (Kjeldahl nitrogen)
NBN T 91-252-1976 Water analysis methods - Determination of the ammoniacal nitro-gen after preliminary distillation

Taiwan Provincial Standard of the People's Republic of China, Ammonia-nitrogen ratio

CNS 3942-1976 Methods for Determination of Ammonia Nitrogen in Polluted and Waste Water

European Committee for Electrotechnical Standardization（CENELEC）, Ammonia-nitrogen ratio

EN 61400-25-1:2007 Fertilizers - Determination of cyanamide nitrogen
EN 61400-25-1:2017 Wind energy generation systems - Part 25-1: Communications for monitoring and control of wind power plants - Overall description of principles and models

Professional Standard - Urban Construction, Ammonia-nitrogen ratio

CJ/T 75-1999 Municipal sewage.Determination of nitrogen(ammonia)

IN-BIS, Ammonia-nitrogen ratio

IS 7661-1975 Specification for 4-aminoazobenzene

Professional Standard - Light Industry, Ammonia-nitrogen ratio

QB/T 5015-2016 The determination of α-amino nitrogen in sugar beet

未注明發(fā)布機構(gòu), Ammonia-nitrogen ratio

ASTM RR-D20-1239 2003 D6979-Test Method for Polyurethane Raw Materials: Determination of Basicity in Polyols, Expressed as Percent Nitrogen

PH-BPS, Ammonia-nitrogen ratio

PTS 86-1970 Method of Test for the Determination of Armoniacal Nitrogen

American Society for Testing and Materials (ASTM), Ammonia-nitrogen ratio

ASTM D1426-98 Standard Test Methods for Ammonia Nitrogen In Water
ASTM D6979-13 Standard Test Method for Polyurethane Raw Materials: Determination of Basicity in Polyols, Expressed as Percent Nitrogen
ASTM D1426-15(2021)e1 Standard Test Methods for Ammonia Nitrogen In Water
ASTM D6979-24 Standard Test Method for Polyurethane Raw Materials: Determination of Basicity in Polyols, Expressed as Percent Nitrogen
ASTM D1426-03 Standard Test Methods for Ammonia Nitrogen In Water
ASTM D6979-18 Standard Test Method for Polyurethane Raw Materials: Determination of Basicity in Polyols, Expressed as Percent Nitrogen
ASTM D1426-08 Standard Test Methods for Ammonia Nitrogen In Water
ASTM D1426-15 Standard Test Methods for Ammonia Nitrogen In Water

Military Standards (MIL-STD), Ammonia-nitrogen ratio

DOD A-A-53305 A-1988 CARBAMAZEPINE TABLETS, USP [Use In Lieu Of: DOD A-A-0053305]

工業(yè)和信息化部, Ammonia-nitrogen ratio

HG/T 5251-2017 Determination of ammonia nitrogen in textile dyeing and finishing auxiliaries

National Metrological Verification Regulations of the People's Republic of China, Ammonia-nitrogen ratio

JJG 631-2013 Verification Regulation of Ammonia-Nitrogen Automatic Analyzers

Korean Agency for Technology and Standards (KATS), Ammonia-nitrogen ratio

KS I 2101-2010 Nitrogen monoxide(standard reference gas)
KS M 8373-2014 4-Amino antipyrine (Reagent)
KS M 1011-1994 Nitrogen monoxide(standard reference gas)
KS M 8373-2014(2019) 4-Amino antipyrine (Reagent)
KS M 8373-2006 4-Amino antipyrine
KS M 8373-2019 4-Amino antipyrine (Reagent)
KS M ISO 6851-2002(2017) Photography－Processing waste－Determination of total amino nitrogen－Microdiffusion Kjeldahl method
KS M ISO 6851:2002 Photography-Processing waste-Determination of total amino nitrogen-Microdiffusion Kjeldahl method
KS M ISO 6851-2022 Photography－Processing waste－Determination of total amino nitrogen－Microdiffusion Kjeldahl method
KS K ISO 2913:2018 Wool — Colorimetric determination of cystine plus cysteine in hydrolysates
KS M ISO 9702:2002 Plastics－Amine epoxide hardners－Determination of primary, secondary and tertiary amine group nitrogen content

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, Ammonia-nitrogen ratio

GB/T 23344-2009 Textiles.Determination of 4-aminoazobenzene
GB/T 23344-2009(英文版) Textiles-Determination of 4 aminoazobenzene
GB/T 3600-2000 Fertilizers-Determination of ammoniacal nitrogen content-Formaldehyde method
GB/T 41965-2022 Photography—Processing waste—Determination of total amino nitrogen(microdiffusion Kjeldahl method)

VN-TCVN, Ammonia-nitrogen ratio

TCVN 3706-1990 Aquatic products.Method for the determination of nitrogen ammonia content
TCVN 3707-1990 Aquatic products.Method for the determination of amine ammonia nitrogen content
TCVN 3708-1990 Aquatic products.Method for the determination of nitrogen amino acid content

Japanese Industrial Standards Committee (JISC), Ammonia-nitrogen ratio

JIS K 8048:2021 4 -- Aminoantipyrine (Reagent)

YU-JUS, Ammonia-nitrogen ratio

JUS H.B8.285-1983 Fertilizers. Determination of content amoniac-nitrogen. Volumetric method

National Metrological Technical Specifications of the People's Republic of China, Ammonia-nitrogen ratio

JJF 1424-2013 Program of Pattern Evaluation of Ammonia-Nitrogen Automatic Analyzers

Professional Standard - Environmental Protection, Ammonia-nitrogen ratio

HJ 634-2012 Soil.Determination of ammonium, nitrite and nitrate by extraction with potassium chloride solution-spectrophotometric methods
HJ/T 64.3-2001 stationary source emission.Determination of cadmium.p-Azobenzenediazoaminazobenzene sulfonic acid spectrophotometric method
HJ 537-2009 Water quality.Determination of ammonia nitrogen.Distillation-neutralization titration
HJ/T 101-2003 The technical requirement for water quality automatic analyzer of ammonia

Hubei Provincial Standard of the People's Republic of China, Ammonia-nitrogen ratio

DB42/T 2120-2023 Determination of ammonia nitrogen, nitrite nitrogen and nitrate nitrogen in soil by gas phase molecular absorption spectrometry

中華人民共和國國家質(zhì)量監(jiān)督檢驗檢疫總局、中國國家標準化管理委員會, Ammonia-nitrogen ratio

GB/T 34532-2017 Coking wastewater—Determination of ammonia nitrogen content—Formaldehyde method

CZ-CSN, Ammonia-nitrogen ratio

CSN 65 4835-1983 Minerál fertilizers. Determination of ammoniacal nitrogen content by distillating method

BR-ABNT, Ammonia-nitrogen ratio

ABNT MB-1146-1979 Magnesium oxide method to detect ammonia nitrogen in fertilizers

KR-KS, Ammonia-nitrogen ratio

KS K ISO 2913-2018 Wool — Colorimetric determination of cystine plus cysteine in hydrolysates

PL-PKN, Ammonia-nitrogen ratio

PN C04576 ArkusZ01-1973 Water and waste water Tests for nitrogen Determination of ammonium nitrogen by colorimetric method with Nessler reagent

Society of Automotive Engineers (SAE), Ammonia-nitrogen ratio

SAE AMS2759/6D-2024 Gaseous Nitriding of Steel Parts, Controlled by Ammonia Dissociation

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