Method for Determination of Ammonia Nitrogen in Wastewater

Method for Determination of Ammonia Nitrogen in Wastewater, Total:408 items.

In the international standard classification, Method for Determination of Ammonia Nitrogen in Wastewater involves: Organic chemicals, Non-ferrous metals, Water quality, Wastes, Photography, Fertilizers, Vocabularies, Spices and condiments. Food additives, Air quality, Analytical chemistry, Meat, meat products and other animal produce, Test conditions and procedures in general, Animal feeding stuffs, Farming and forestry, Beverages, Products of the chemical industry, Soil quality. Pedology, Inorganic chemicals, Coals, External water conveyance systems, Leather technology, Ferroalloys, Fuels, Textile fibres, Products of the textile industry, Construction materials, Pesticides and other agrochemicals, Sugar. Sugar products. Starch, Ferrous metals, Cellular materials, Environmental testing, Milk and milk products, Iron and steel products, Non-metalliferous minerals, Power stations in general, Plastics, Fruits. Vegetables, Burners. Boilers.

RO-ASRO, Method for Determination of Ammonia Nitrogen in Wastewater

STAS 8683-1970 SURFACE AND WASTE WATERS Determination of ainm nia nitrogen
SR ISO 5314:1981 Fertilizers. Determination of ammoniaca! nitrogen content Titrimetric method after distillation
STAS 12200-1985 SLUDGES RESULTED FROM= SURFACE WATERS TREATMENT AND WASTE WATERS PURIFI- CATION Nitrogen content determination

中华人民共和国国家质量监督检验检疫总局、中国国家标准化管理委员会, Method for Determination of Ammonia Nitrogen in Wastewater

GB/T 34532-2017 Coking wastewater—Determination of ammonia nitrogen content—Formaldehyde method
GB/T 34500.5-2017 Chemical analysis methods for rare earth residue and waste water—Part 5：Determination of ammonia nitrogen content
GB/T 34500.2-2017 Chemical analysis methods for rare earth residue and waste water—Part 2：Determination of chemical oxygen demand（COD）

VN-TCVN, Method for Determination of Ammonia Nitrogen in Wastewater

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
TCVN 4557-1988 Waste water.Method for the determination of the temperature
TCVN 4560-1988 Waste water.Method for determination of residue content
TCVN 4558-1988 Waste water.Metrods for the determination of colour and smell
TCVN 7872-2008 water.Determination of ammonia content.Ammonia selective electrode method
TCVN 7245-2003 Health care solid waste incinerator.Determination method of nitrogen oxides (NOx) concentration in fluegas
TCVN 3705-1990 Aquatic products.Method for the determination of total nitrogen and protein content
TCVN 2615-2008 Liquefied anhydrous ammonia for industrial use.Determination of ammonia content.Titrimetric method
TCVN 6624-2-2000 Water quality.Determination of nitrogen.Part 1: Determination of bound nitrogen, after combustion and oxidation to nitrogen dioxide, using chemiluminescence detection
TCVN 5255-2009 Soil quality.Method for the determination of bio-available nitrogen
TCVN 5987-1995 Water quality.Determination of Kjeldahl nitrogen.Method after mineralization with selenium
TCVN 2616-2008 Liquefied anhydrous ammonia for industrial use.Determination of water content.Volumetric method

American Society for Testing and Materials (ASTM), Method for Determination of Ammonia Nitrogen in Wastewater

ASTM D1426-98 Standard Test Methods for Ammonia Nitrogen In Water
ASTM D1426-03 Standard Test Methods for Ammonia Nitrogen In Water
ASTM D1426-15(2021)e1 Standard Test Methods for Ammonia Nitrogen In Water
ASTM D8001-16e1 Standard Test Method for Determination of Total Nitrogen, Total Kjeldahl Nitrogen by Calculation, and Total Phosphorus in Water, Wastewater by Ion Chromatography
ASTM D8001-16 Standard Test Method for Determination of Total Nitrogen, Total Kjeldahl Nitrogen by Calculation, and Total Phosphorus in Water, Wastewater by Ion Chromatography
ASTM D1426-15 Standard Test Methods for Ammonia Nitrogen In Water
ASTM D1426-08 Standard Test Methods for Ammonia Nitrogen In Water
ASTM D3590-11 Standard Test Methods for Total Kjeldahl Nitrogen in Water
ASTM D3590-02 Standard Test Methods for Total Kjeldahl Nitrogen in Water
ASTM D3590-17 Standard Test Methods for Total Kjeldahl Nitrogen in Water
ASTM C1494-01(2007) Standard Test Methods for Determination of Mass Fraction of Carbon, Nitrogen, and Oxygen in Silicon Nitride Powder
ASTM C1494-13 Standard Test Methods for Determination of Mass Fraction of Carbon, Nitrogen, and Oxygen in Silicon Nitride Powder
ASTM D5475-93(1997) Standard Test Method for Nitrogen- and Phosphorus-Containing Pesticides in Water by Gas Chromatography with a Nitrogen-Phosphorus Detector
ASTM E778-87(2004) Standard Test Methods for Nitrogen in the Analysis Sample of Refuse-Derived Fuel
ASTM E778-87(1996) Standard Test Methods for Nitrogen in the Analysis Sample of Refuse-Derived Fuel
ASTM D6016-06(2012) Standard Test Method for Determination of Nitrogen, Water Extractable in Leather
ASTM D6016-17 Standard Test Method for Determination of Nitrogen, Water Extractable in Leather
ASTM E147-61(2017) Standard Specification for Apparatus for Microdetermination of Nitrogen by Kjeldahl Method
ASTM D6016-96 Standard Test Method for Determination of Nitrogen, Water Extractable in Leather
ASTM D6016-96(2001) Standard Test Method for Determination of Nitrogen, Water Extractable in Leather
ASTM D6016-06 Standard Test Method for Determination of Nitrogen, Water Extractable in Leather
ASTM D4282-95(2001) Standard Test Method for Determination of Free Cyanide in Water and Wastewater by Microdiffusion
ASTM D4282-95 Standard Test Method for Determination of Free Cyanide in Water and Wastewater by Microdiffusion
ASTM D6979-13 Standard Test Method for Polyurethane Raw Materials: Determination of Basicity in Polyols, Expressed as Percent Nitrogen
ASTM D5530-94(1998) Standard Test Method for Total Moisture of Hazardous Waste Fuel by Karl Fischer Titrimetry
ASTM D5530-94(2003) Standard Test Method for Total Moisture of Hazardous Waste Fuel by Karl Fischer Titrimetry
ASTM D5530-94(2009) Standard Test Method for Total Moisture of Hazardous Waste Fuel by Karl Fischer Titrimetry
ASTM D5530-22 Standard Test Method for Total Moisture of Hazardous Waste Fuel by Karl Fischer Titrimetry
ASTM D5475-93(2002) Standard Test Method for Nitrogen- and Phosphorus-Containing Pesticides in Water by Gas Chromatography with a Nitrogen-Phosphorus Detector
ASTM D4282-15(2022) Standard Test Method for Determination of Free Cyanide in Water and Wastewater by Microdiffusion
ASTM D6979-18 Standard Test Method for Polyurethane Raw Materials: Determination of Basicity in Polyols, Expressed as Percent Nitrogen

PL-PKN, Method for Determination of Ammonia Nitrogen in Wastewater

PN C04576 ArkusZ02-1973 Water and waste water Tests for nitrogen Determination of ammonium nitrogen by titrimetric method
PN C04576 ArkusZ12-1973 Water and waste water Tests for nitrogenDetermination of total nitrogen of Kjeldahl
PN C04576 ArkusZ01-1973 Water and waste water Tests for nitrogen Determination of ammonium nitrogen by colorimetric method with Nessler reagent
PN C04576-10-1986 Water and waste water Tests for nitrogen Determination of nitrate nitrogen by potentiometric method with ion selective electrode
PN C04642-04-1991 Water and waste water. Tests of pollutants in atmospheric precipitation. Determination of ammonium nitrogen by colorimetric method
PN C04595 ArkusZ04-1974 Water and waste water Tests for lead Dctermination of lead by dithiocarbamate method
PN C04595-03-1990 Water and waste water Tests for lead Determination of lead by extractivetitrimetric method with sodium diethyldithicarbamate
PN C04576-07-1987 Water and waste water Tests for nitfogen Determination of nitrate by colorimetric method after reduction in cadmium column
PN C04596-02-1990 Water and waste water Tests for zinc Determination of zinc by zincon method
PN C04576 ArkusZ06-1973 Water and waste waiter Tests for nitrogen Deterrninatian of nitrite by colo- rime?ric method with sulphanilic aicid and 1-naphty lamin?
PN C04545 ArkusZ03-1972 Wo?er and was?e water Tes?s for dissolved oxygen Determination of dissoked oxygen by Winkler method, azide modifikation
PN C04555-1974 Water and waste water Determination of germanium by colorimetric method
PN C04587 ArkusZ02-1973 Water and waste water Tests for sodium Determination of sodium by titrimetric method
PN C04594-01-1988 Water and waste water Tests for arsenieDetermination of arsenie by method with AgDDTK
PN C04596-03-1990 Water and waste water Tests for zinc Determination of zinc by EDTA method
PN C04605-03-1992 Water and waste water Tests for aluminium Determination of aluminium by EDTA method
PN C04590-02-1992 Water and waste water Tests for manganese Determination of manganese by permanganate method
PN C04590-03-1992 Water and waste water Tests for manganese Determination of manganese by formaldoxime method
PN C04602 ArkusZ02-1972 Water and waste water. Tests for phenols. Determination of vola.tile phenols to 0,5 mg/l by colorimetric method with 4-aminoantipyirine
PN C04596-05-1992 Water and waste water Tests for zinc Determination of zinc by yoltammetry
PN C04611 ArkusZ04-1972 Water and waste water Tests for copper Determination of copper in boilers water flow cirkuits at thermal power stations by colorimetric method with sodium diethyldithiocarbamate Rang?: 0,001÷1,0 rag/l
PN C04574-1991 Water and waste water. Determination of antimony by colorimetric method with rodamina B
PN C04595-02-1990 Water and waste water Test for lead Determination of lead by dithizone method
PN C04596-01-1990 Water and waste waterTests for zinc Determination ol zinc by dithizone method
PN C04605-02-1992 Water and waste water Tests for aluminium Determination of aluminium by method with eriochromocyamine R
PN C04627-02-1991 Water and waste water Tests for acrylonitryle Determination of acrylonitryle with mercaptoethanol method
PN C04604-09-1990 Water and waste water Tests for chromium Determination of chromium (VI) by semi-quantitative method with eolorimetric test
PN C04602 ArkusZ03-1972 Water and waste water Tests for phenols Determination of volatile phenols by colorimetric imethod with 4-aminoantipyrine Rang?: above 0,5 to 10,0 mg/l
PN C04587 ArkusZ01-1973 Water and waste water Tests for sodium Determination of sodium by fla- me photometric method
PN C04591 ArkusZ01-1974 Water and waste water Tests for potassium Determination of potassium by flame photometric method
PN Z04009-02-1991 Air purity protection Tests for nitrogen compounds Determination of ammonia in the atmosphere (imision) by photometric, indophenol method

BE-NBN, Method for Determination of Ammonia Nitrogen in Wastewater

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
NBN T 91-254-1976 Water analysis methods - Determination of the ammoniacal nitrogen -Direct photometric methodwith sodium phenate
NBN T 91-251-1976 Water analysis methods — Determination of the ammoniacal nitrogen — Direct photometric method with Nessler reagent
NBN T 03-069-1979 Ammonium sulphate for industrial use - Determination of ammoniacal nitrogen content - Titrimetric method after distillation
NBN T 91-257-1977 Water analysis methods - Determination of the nitrite nitrogen - Photoraetric method
NBN T 91-253-1976 Water analysis methods - Determination of the albuminoid nitrogen
NBN T 03-041-1979 Nitric acid for industrial use - Determination of ammoniacal nitrogen content - Spectrophotometric method
NBN T 91-256-1977 Water analysis methods - Determination of the nitrate nitrogen -Photometric method with chromotropic acid
NBN 312-1953 Wastewater and sewage. Volumetric determination of deposited materials
NBN T 03-081-1979 Ammonium hydrogen carbonate for industrial use (including food-stuffs) - Determination of ammoniacal nitrogen content - Titrimetric method after distillation

British Standards Institution (BSI), Method for Determination of Ammonia Nitrogen in Wastewater

BS ISO 6853:2001 Photography. Processing waste. Determination of ammoniacal nitrogen (microdiffusion method)
BS ISO 6851:2001 Photography. Processing waste. Determination of total amino nitrogen (microdiffusion Kjeldahl method)
BS ISO 6853:2002 Photography - Processing waste - Determination of ammoniacal nitrogen (microdiffusion method)
BS ISO 6851:2002 Photography - Processing waste - Determination of total amino nitrogen (microdiffusion Kjeldahl method)
BS 5551-4.1.2:1982 Fertilizers. Chemical analysis. Determination of nitrogen. Determination of ammoniacal nitrogen, titrimetric method after distillation
BS EN 15559:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd
BS 5551-4.1.4:1984 Fertilizers. Chemical analysis. Determination of nitrogen. Method for determination of ammoniacal nitrogen content in the presence of other substances which release ammonia when treated with sodium hydroxide (titrimetric method)
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 15750:2009 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
BS DD CEN/TS 15750:2009 Fertilizers - Determination of different forms of nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
BS EN ISO 14362-3:2017 Textiles. Methods for determination of certain aromatic amines derived from azo colorants. Detection of the use of certain azo colorants, which may release 4-aminoazobenzene
BS EN 14362-3:2012 Textiles. Methods for determination of certain aromatic amines derived from azo colorants. Detection of the use of certain azo colorants, which may release 4-aminoazobenzene
BS 5551-4.1.3:1986 Fertilizers. Chemical analysis. Determination of nitrogen. Method for determination of total nitrogen content (titrimetric method after distillation)
BS 7755-3.7:1995 Soil quality. Chemical methods. Determination of total nitrogen. Modified Kjeldahl method
BS ISO 23695:2023 Water quality. Determination of ammonium nitrogen in water. Small-scale sealed tube method
BS EN ISO 11732:2005 Water quality. Determination of ammonium nitrogen. Method by flow analysis (CFA and FIA) and spectrometric detection
DD ENV 12260-1996 Water quality. Determination of nitrogen. Determination of bound nitrogen, after combustion and oxidation to nitrogen dioxide, using chemiluminescence detection
BS 6068-2.40:1991 Water quality. Physical, chemical and biochemical methods. Method for the determination of borate by spectrometry using azomethine-H

Korean Agency for Technology and Standards (KATS), Method for Determination of Ammonia Nitrogen in Wastewater

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 6851-2002(2022) Photography－Processing waste－Determination of total amino nitrogen－Microdiffusion Kjeldahl method
KS I ISO 11732:2008 Water quality－Determination of ammonium nitrogen－Method by flow analysis(CFA and FIA) and spectrometric detection
KS I ISO 11732-2008(2018) Water quality－Determination of ammonium nitrogen－Method by flow analysis(CFA and FIA) and spectrometric detection
KS M ISO 5314:2007 Fertilizers-Determination of ammoniacal nitrogen content-Titrimetric method after distillation
KS M ISO 5314:2013 Fertilizers－Determination of ammoniacal nitrogen content－Titrimetric method after distillation
KS M ISO 5314-2007(2012) Fertilizers－Determination of ammoniacal nitrogen content－Titrimetric method after distillation
KS M ISO 7108:2002 Ammonia solution for industrial use－Determination of ammonia content－Titrimetric method
KS M ISO 7108:2017 Ammonia solution for industrial use — Determination of ammonia content — Titrimetric method
KS D 2555-1995 Methods for determination of nitrogen in tantalum
KS D 2555-2015 Methods for determination of nitrogen in tantalum
KS I 3216-2022 Method for determination of polychlorinated biphenyl in industrial wastewater
KS I 3216-2010(2015) Method for determination of polychlorinated biphenyl in industrial wastewater
KS D 1811-1993 Methods for determination of nitrogen in iron and steel
KS D 2555-2020 Determination of nitrogen in tantalum
KS D 1811-2003(2018) Methods for determination of nitrogen in iron and steel
KS M ISO 3332:2012 Ammonium sulphate for industrial use－Determination of ammoniacal nitrogen content－Titrimetric method after distillation
KS M ISO 3332-2017(2022) Ammonium sulphate for industrial use — Determination of ammoniacal nitrogen content — Titrimetric method after distillation
KS M ISO 3332:2017 Ammonium sulphate for industrial use — Determination of ammoniacal nitrogen content — Titrimetric method after distillation
KS I ISO 5663-2007(2017) Water quality－Determination of Kjeldahl nitrogen－Method after mineralization with selenuium
KS D 1811-2003 Methods for determination of nitrogen in iron and steel
KS K 0739-2017 Textile — Methods for determination of certain aromatic amines derived from azo colorants — Part 3: Detection of the use of certain azo colorants, which may release 4-aminoazobenzene
KS K 0739-2014 Textile — Methods for determination of certain aromatic amines derived from azo colorants — Part 3: Detection of the use of certain azo colorants, which may release 4-aminoazobenzene
KS M ISO 7408-2007(2012) Fertilizers－Determination of ammoniacal nitrogen content in the presence of other substances which release ammonia when treated with sodium hydroxide－Titrimetric method
KS M 0029-1993 Methods for Determination of Mercaptan in Exhaust Gas
KS M 2304-2014 Method for determination of phosgene in exhaust gas
KS D 0274-1993 Method of measuring nitrided case depth for iron and stee1
KS D 2530-2016 Methods for determination of nitrogen in titanium and titanium alloys
KS D 2573-1995 Methods for determination of nitrogen in zirconium and zirconium alloys
KS D 2573-2015 Methods for determination of nitrogen in zirconium and zirconium alloys
KS D 2573-2015(2020) Methods for determination of nitrogen in zirconium and zirconium alloys
KS D 2530-2021 Methods for determination of nitrogen in titanium and titanium alloys
KS I ISO 11905-2-2008(2013) Water quality－Determination of nitrogen－Part 2：Determination of bound nitrogen, after combustion and oxidation to nitrogen dioxide, using chemiluminescence detection
KS K ISO 14362-3:2022 Textiles — Methods for determination of certain aromatic amines derived from azo colorants — Part 3: Detection of the use of certain azo colorants, which may release 4-aminoazobenzene
KS I 3215-2008(2018) Testing method for pesticides of industrial water and waste water
KS E 3906-2006 Copper scraps for smelting-Methods for sampling, sample preparation and determination of moisture content
KS I ISO 5663:2007 Water quality－Determination of Kjeldahl nitrogen－Method after mineralization with selenuium
KS I 3226-2009 Method for determination of tetra-through octa-chlorodibenzo-p-dioxins, tetra-though octa-chlorodibenzofurans and coplanar polychlorobiphenyls in industrial water and wastewater
KS M 2104-2005(2010) Methods for determination of hydrogen cyanide in exhaust gas

German Institute for Standardization, Method for Determination of Ammonia Nitrogen in Wastewater

DIN 38406-5:1983-10 German standard methods for the examination of water, waste water and sludge; cations (group E); determination of ammonia-nitrogen (E 5)
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 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 38406-5:1983 German standard methods for the examination of water, waste water and sludge; cations (group E); determination of ammonia-nitrogen (E 5)
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 12135:1997-12 Fruit and vegetable juices - Determination of nitrogen content - Kjeldahl method; German version EN 12135:1997
DIN EN 13717:2003-03 Surface active agents - Determination of primary, secondary and tertiary amino nitrogen - Potentiometric titration; German version EN 13717:2002
DIN EN 25663:1993-11 Water quality; determination of Kjeldahl nitrogen; method after mineralization with selenium (ISO 5663:1984); German version EN 25663:1993
DIN EN ISO 11905-1:1998 Water quality - Determination of nitrogen - Part 1: Method using oxidative digestion with peroxodisulfate (ISO 11905-1:1997); German version EN ISO 11905-1:1998
DIN 38412-37:1999-04 German standard methods for the examination of water, waste water and sludge - Bio-assays (group L) - Part 37: Determination of the inhibitory effect of water on the growth of bacteria (Photobacterium phosphoreum cell multiplication inhibition test) (L...
DIN EN ISO 14362-3:2017-05 Textiles - Methods for determination of certain aromatic amines derived from azo colorants - Part 3: Detection of the use of certain azo colorants, which may release 4-aminoazobenzene (ISO 14362-3:2017); German version EN ISO 14362-3:2017
DIN EN 16168:2012-11 Sludge, treated biowaste and soil - Determination of total nitrogen using dry combustion method; German version EN 16168:2012
DIN EN ISO 11732:2005 Water quality - Determination of ammonium nitrogen - Method by flow analysis (CFA and FIA) and spectrometric detection (ISO 11732:2005); German version EN ISO 11732:2005

Professional Standard - Urban Construction, Method for Determination of Ammonia Nitrogen in Wastewater

CJ 26.25-1991 Determination of Standard Ammonia Nitrogen in Municipal Sewage Water Quality Inspection Method
CJ/T 75-1999 Municipal sewage.Determination of nitrogen(ammonia)
CJ/T 3018.6-1993 Leachate.Determination of ammoniacal nitrogen.Distillation and titration method
CJ 26.27-1991 Municipal sewage water quality inspection method standard Determination of total nitrogen Titration method after distillation
CJ/T 77-1999 Municipal sewage.Determination of total nitrogen.Distillation and titration method
CJ 26.13-1991 Municipal sewage water quality test method Determination of standard aniline Azo spectrophotometric method
CJ 26.26-1991 Municipal sewage water quality inspection method standard Determination of nitrite nitrogen spectrophotometric method

Danish Standards Foundation, Method for Determination of Ammonia Nitrogen in Wastewater

DS 224:1975 Water analysis. Determination of ammonia-nitrogen
DS/EN 15750:2010 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
DS/EN 12135:1998 Fruit and vegetable juices - Determination of nitrogen content - Kjeldahl method
DS/EN 13717:2003 Surface active agents - Determination of primary, secondary and tertiary amino nitrogen - Potentiometric titration
DS/EN 25663:1994 Water quality-Determination of Kjeldahl nitrogen-Method after mineralization with selenium
DS/ISO 5663:1994 Water quality - Determination of Kjeldahl nitrogen - Method after mineralization with selenium
DS/EN 14362-3:2012 Textiles - Methods for determination of certain aromatic amines derived from azo colorants - Part 3: Detection of the use of certain azo colorants, which may release 4-aminoazobenzene
DS/EN 16168:2013 Sludge, treated biowaste and soil - Determination of total nitrogen using dry combustion method

PH-BPS, Method for Determination of Ammonia Nitrogen in Wastewater

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

International Organization for Standardization (ISO), Method for Determination of Ammonia Nitrogen in Wastewater

ISO 6853:2001 Photography - Processing waste - Determination of ammoniacal nitrogen (microdiffusion method)
ISO 6853:1987 Photography; Processing waste; Determination of ammoniacal nitrogen content; Microdiffusion method
ISO 11732:2005 Water quality - Determination of ammonium nitrogen - Method by flow analysis (CFA and FIA) and spectrometric detection
ISO 11732:1997 Water quality - Determination of ammonium nitrogen by flow analysis (CFA and FIA) and spectrometric detection
ISO 6851:2001 Photography - Processing waste - Determination of total amino nitrogen (microdiffusion Kjeldahl method)
ISO 6851:1987 Photography; Processing waste; Determination of total amino nitrogen; Microdiffusion Kjeldahl method
ISO 5314:1981 Fertilizers; Determination of ammoniacal nitrogen content; Titrimetric method after distillation
ISO 7108:1985 Ammonia solution for industrial use; Determination of ammonia content; Titrimetric method
ISO 2991:1974 Nitric acid for industrial use; Determination of ammoniacal nitrogen content; Spectrophotometric method
ISO 3330:1975 Ammonium nitrate for industrial use; Determination of ammoniacal nitrogen content; Titrimetric method after distillation
ISO 3332:1975 Ammonium sulphate for industrial use; Determination of ammoniacal nitrogen content; Titrimetric method after distillation
ISO 7408:1983 Fertilizers; Determination of ammoniacal nitrogen content in the presence of other substances which release ammonia when treated with sodium hydroxide; Titrimetric method
ISO 24362-3:2014 Textiles - Methods for determination of certain aromatic amines derived from azo colorants - Part 3: Detection of the use of certain azo colorants, which may release 4-aminoazobenzene
ISO 23695:2023 Water quality — Determination of ammonium nitrogen in water — Small-scale sealed tube method
ISO 14362-3:2017 Textiles - Methods for determination of certain aromatic amines derived from azo colorants - Part 3: Detection of the use of certain azo colorants, which may release 4-aminoazobenzene
ISO 6332:1982 Water analysis — Determination of iron — 1,10-phenanthroline photometric method
ISO 5663:1984 Water quality; Determination of Kjeldahl nitrogen; Method after mineralization with selenium

Group Standards of the People's Republic of China, Method for Determination of Ammonia Nitrogen in Wastewater

T/NAIA 0169-2022 Water Quality Determination of Ammonia Nitrogen by Ion Chromatography
T/CHES 12-2017 Water Quality Determination of Ammonia Nitrogen Gas Phase Molecular Absorption Spectrometry
T/NAIA 001-2020 Determination of ammoniacal nitrogen in fermented feed Kjeldahl method
T/QAS 071-2021 Determination of total nitrogen in brine Kjeldahl method
T/CHES 27-2019 Water Quality Determination of Ammonia Nitrogen Automatic Analysis Nessler's Reagent Spectrophotometry
T/CCAS 008-2019 Analytical methods of the ammonia in fly ash for cement and concrete
T/QAS 053-2021 TOC Meter Method for Determination of Chemical Oxygen Demand in High Chlorine Wastewater

RU-GOST R, Method for Determination of Ammonia Nitrogen in Wastewater

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 R 55479-2013 Meat and meat products. Method for determination of amino-ammonia nitrogen
GOST 33045-2014 Water. Methods for determination of nitrogen-containing matters
GOST 30181.8-1994 Mineral fertilizers. Method for determination of mass fraction of ammonium nitrogen in compound fertilizers (chloramine method)
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 30181.7-1994 Mineral fertilizers. Method for determination of total mass fraction of nitrogen in compound fertilizers (in ammonium and amide forms, using hypochlorite method)
GOST 4192-1982 Drinking water. Methods for determination of mineral nitrogen-containing matters
GOST 30181.4-1994 Mineral fertilizers. Method for determination of total mass fraction of nitrogen in compound fertilizers and nitrale fertilizers in ammonium and nitrate forms (Deward Method)
GOST R ISO 17234-2-2015 Leather. Chemical tests for the determination of certain azo colorants in dyed leathers. Part 2. Method for determination of 4-aminoazobenzene
GOST 13020.7-1985 Metallic chrome. Methods for determination of nitrogen
GOST 9853.1-1979 Sponge titanium. Method for the determination of nitrogen
GOST 14338.4-1982 Molybdenum. Methods for determination of nitrogen, oxygen and hydrogen
GOST 14339.4-1982 Tungsten. Methods for the determination of nitrogen, oxygen, hydrogen
GOST 27894.3-1988 Peat and products of its proccesing for agriculture. Methods for determination of ammonia nitrogen
GOST R 54947-2012 Honey. Method for determination of proline content
GOST 10671.4-2016 Reagents. Methods for determination of total nitrogen impurity
GOST 24596.3-2015 Feed phosphates. Method for determination of nitrogen
GOST R ISO 24362-3-2016 Textiles. Methods for determination of certain aromatic amines from azo colorants. Part 3. Detection of the use of certain azo colorants, which may release 4-aminoazobenzene
GOST 32939-2014 Milk and milk products. Method for determination of ammonia
GOST 27753.8-1988 Greenhouse grounds method for determination of ammonium nitrogen
GOST 20851.1-1975 Mineral fertilizers. Methods for determination of nitrogen content
GOST R 54491-2011 Canned fruits. Method for determination of quinoline, triarylmethane and azo colours presence
GOST 27753.7-1988 Greenhouse grounds methods for determination of nitrate nitrogen

Professional Standard - Environmental Protection, Method for Determination of Ammonia Nitrogen in Wastewater

HJ 537-2009 Water quality.Determination of ammonia nitrogen.Distillation-neutralization titration
HJ 536-2009 Water quality.Determination of ammonia nitrogen.Salicylic acid spectrophotometry
HJ/T 195-2005 Water quality - Determination of ammonia-nitrogen Gas-phase molecular absorption spectrometry
HJ 535-2009 Water quality.Determination of ammonia nitrogen.Nessler's reagent spectrophotometry
HJ 665-2013 Water quality.Determination of ammonium nitrogen by continuous flow analysis (CFA) and Salicylic acid spectrophotometry
HJ 666-2013 Water quality.Determination of ammonium nitrogen by flow injection analysis (FIA) and Salicylic acid spectrophotometry
HJ 101-2019 Ammonia nitrogen water quality online automatic monitor technical requirements and detection methods
HJ 550-2015 Water quality.Determination of cobalt.5-Cl-PADAB Spectrophotometry
HJ/T 64.3-2001 stationary source emission.Determination of cadmium.p-Azobenzenediazoaminazobenzene sulfonic acid spectrophotometric method
HJ 550-2009 Water quality.Determination of cobalt.5-CI-PADAB spectrophotometry
HJ 634-2012 Soil.Determination of ammonium, nitrite and nitrate by extraction with potassium chloride solution-spectrophotometric methods
HJ 693-2014 Stationary source emission.Determination of nitrogen oxides.Fixed potential by electrolysis method
HJ 692-2014 Stationary source emission.Determination of nitrogen oxides.Non-dispersive infrared absorption method
HJ 1132-2020 Portable UV Absorption Method for Determination of Nitrogen Oxide in Exhaust Gas from Stationary Pollution Sources
HJ 1191-2021 Spectrophotometric method for the determination of water quality azide
HJ 533-2009 Ambient air exhaust gas.Determination of ammonia.Nessler's reagent spetcrophotometry

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, Method for Determination of Ammonia Nitrogen in Wastewater

GB/T 41965-2022 Photography—Processing waste—Determination of total amino nitrogen(microdiffusion Kjeldahl method)
GB/T 41964-2022 Photography—Processing waste—Determination of ammoniacal nitrogen (microdiffusion method)
GB 12143.2-12143.3-89 Determination method for amino nitrogen content in fruit and vegetable juice beverages-Formol number Determination method for L-ascorbic acid in fruit and vegetable juice beverages-Ethyl ether extract
GB/T 3600-2000 Fertilizers-Determination of ammoniacal nitrogen content-Formaldehyde method
GB/T 8570.2-2010 Determination of liquefied anhydrous ammonia.Part 2:Estimating of ammonia content
GB/T 31195-2014 High chloride high ammonia wastewater.Determination of chemical oxygen demand.Chloride ion calibration method
GB/T 3595-2000 Fertilizers-Determination of ammoniacal nitrogen content-Titrimetric method after distillation
GB/T 19227-2008 Determination of nitrogen in coal
GB/T 6906-2006 Methods for analysis of water for boiler and for cooling The determination of hydrazine
GB 6906-1986 Analytical methods for boiler water and cooling water - Determination of hydrazine
GB/T 12146-2005 Analysis of water used in boil and cooling system Determination of ammonia-Phenol method
GB/T 18856.12-2002 Test methods for quality of coal water mixture--Part 12: Determination of nitrogen of coal water mixture
GB/T 8570.5-2010 Determination of liquefied anhydrous ammonia.Part 5:Water content.Karl Fishcer method
GB/T 14422-2008 Analysis of water used in boiler and cooling systems.Determination of benzotriazole
GB/T 2441.1-2001 Determination of urea-Determination of total nitrogen content
GB/T 27978-2011 Determination of the waste content in the raw mix of cement
GB/T 8570.3-2010 Determination of liquefied anhydrous ammonia.Part 3:Residue content.Gravimetric method
GB/T 8570.4-2010 Determination of liquefied anhydrous ammonia- Part 4:Residue content-Titrimetric method
GB/T 14422-1993 Analysis of water used in boiler and cooling system. Determination of benzotriazole. Ultraviolet spectrophotometry

Association Francaise de Normalisation, Method for Determination of Ammonia Nitrogen in Wastewater

NF T90-015:1975 TESTING WATER-DETERMINATION OF NITROGEN (AMMONIA)
NF T90-080*NF EN ISO 11732:2005 Water quality - Determination of ammonium nitrogen - Method by flow analysis (CFA and FIA) and spectrometric detection.
NF EN ISO 11732:2005 Qualité de l'eau - Dosage de l'azote ammoniacal - Méthode par analyse en flux (CFA et FIA) et détection spectrométrique
NF EN 15750:2010 Engrais - Détermination de la teneur en azote total des engrais ne contenant l'azote que sous forme nitrique, ammoniacale et uréique, selon deux méthodes différentes
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 T90-080:1997 Water quality - Determination of ammonium nitrogen by flow analysis (CFA and FIA) and spectrometric detection.
NF T20-286:1982 Nitric acid for industrial use. Determination of ammoniacal nitrogen content. Spectrophotometric method.
XP CEN/TS 16177:2012 Boues, biodéchets traités et sols - Extraction pour la détermination de l'azote nitrique et ammoniacal extractible
NF EN ISO 14362-3:2017 Textiles - Méthodes de détermination de certaines amines aromatiques dérivées de colorants azoïques - Partie 3 : détection de l'utilisation de certains colorants azoïques susceptibles de libérer du 4-aminoazobenzène
NF T20-297:1971 Chemical analysis of sulphuric acid and oleum. Determination of ammoniacal nitrogen. Spectrophotometric method.
NF G08-014-3:2012 Textiles - Methods for determination of certain aromatic amines derived from azo colorants - Part 3 : detection of the use of certain azo colorants, which may release 4-aminoazobenzene.
NF U42-125:1985 Fertilizers. Determination of ammoniacal nitrogen content in the presence of other substances which release ammonia when treated with sodium hydroxide. Titrimetric method.
NF EN 25663:1994 Qualité de l'eau - Dosage de l'azote Kjeldahl - Méthode après minéralisation au sélénium
NF G08-014-3*NF EN ISO 14362-3:2017 Textiles - Methods for determination of certain aromatic amines derived from azo colorants - Part 3 : detection of the use of certain azo colorants, which may release 4-aminoazobenzene

CZ-CSN, Method for Determination of Ammonia Nitrogen in Wastewater

CSN 58 0703-8-1999 Testing methods of dehydrated products and seasonings - Part 8: Determination of ammoniacal nitrogen
CSN 65 4835-1983 Minerál fertilizers. Determination of ammoniacal nitrogen content by distillating method
CSN 65 0176 Cast.7-1979 Testing methods for tarch. Determination of nitrogen
CSN ISO 7408:1993 Fertizers - Determination of ammoniacal nitogen content in the presence of other substances which release ammonia when treated with sodium hydroxide - Titrimetric method
CSN 58 0703-7-1999 Testing methods of dehydrated products and seasonings - Part 7: Determinaton of total nitrogen
CSN 65 4836-1983 Minerál fertilizers Methode for determination of total nitrogen content

Japanese Industrial Standards Committee (JISC), Method for Determination of Ammonia Nitrogen in Wastewater

JIS K 0104:2000 Methods for determination of nitrogen oxides in flue gas
JIS K 0099 ERRATUM 1:2000 Methods for determination of ammonia in flue gas (Erratum 1)
JIS K 0104:2011 Methods for determination of nitrogen oxides in flue gas
JIS K 0170-1:2011 Testing methods for water quality by flow analysis -- Part 1: Ammonium nitrogen
JIS K 0170-1:2019 Testing methods for water quality by flow analysis -- Part 1: Ammonium nitrogen
JIS H 1685:2000 Method for determination of nitrogen in tantalum
JIS K 0102:1998 Testing methods for industrial wastewater
JIS K 0102:2008 Testing methods for industrial wastewater
JIS K 0400-44-40:2000 Water quality -- Determination of Kjeldahl nitrogen -- Method after mineralization with selenium
JIS K 0093:1995 Method for determination of polychlorinated biphenyl in industrial waste water
JIS L 1940-3:2014 Textiles.Methods for determination of certain aromatic amines derived from azo colorants.Part 3: Detection of the use of certain azo colorants, which may release 4-aminoazobenzene
JIS L 1940-3:2019 Textiles -- Methods for determination of certain aromatic amines derived from azo colorants -- Part 3: Detection of the use of certain azo colorants, which may release 4-aminoazobenzene
JIS K 0106:2010 Methods for determination of chlorine in flue gas
JIS K 0081:2012 Method for determination of boron in flue gas
JIS K 0128:1994 Testing method for pesticides of industrial water and waste water
JIS G 1228:1997 Iron and steel -- Methods for determination of nitrogen content
JIS G 1228-1:2022 Iron and steel -- Determination of nitrogen -- Part 1: Amidosulfuric acid titrimetric method after ammonium distillation separation
JIS K 0128:2000 Testing methods for pesticides in industrial water and waste water
JIS K 0099:1998 Methods for determination of ammonia in flue gas
JIS H 1612:1993 Methods for determination of nitrogen in titanium and titanium alloys
JIS B 7992:2002 Automated measuring systems for oxides of nitrogen in flue gas using non-extractive methods
JIS K 0450-20-10:2002 Testing method for alkyl phenols in industrial water and wastewater
JIS K 0450-50-10:2004 Testing method for benzophenone in industrial water and wastewater
JIS K 0450-20-10:2006 Testing method for alkyl phenols in industrial water and wastewater

Professional Standard - Agriculture, Method for Determination of Ammonia Nitrogen in Wastewater

HJ 195-2023 Determination of ammonia nitrogen in water quality by gas phase molecular absorption spectrometry
SC/T 9444-2023 Determination of ammonia nitrogen in aquaculture water by gas phase molecular absorption spectrometry
GB 3595-1983 Determination of ammonia nitrogen content in fertilizers Titration method after distillation
NY 146.13-1988 Juice Determination Method Determination of Proline
水产品质量安全检验手册 2.11.2.0-2005 Chapter II Basic Analysis Methods for Physical and Chemical Testing of Aquatic Products Eleventh Determination of Amino Acid Nitrogen in Aquatic Products (GBT 5009.39-2003) II. Colorimetry
水产品质量安全检验手册 2.11.1.0-2005 Chapter II Basic Analysis Methods for Physical and Chemical Testing of Aquatic Products Eleventh Determination of Amino Acid Nitrogen in Aquatic Products (GBT 5009.39-2003) 1. Formaldehyde value method
GB 8570.5-1988 Determination of Moisture in Liquid Anhydrous Ammonia Karl Fischer Method
GB/T 14965-1994 Method for Determination of Amino Acids in Food
水和废水监测分析方法 5.2.4-2003 Chapter 5 Water and Wastewater Biological Monitoring Methods Chapter 2 Bacteriological Determination in Water 4 Determination of Total Bacteria in Water (B)
水和废水监测分析方法 5.2.8-2003 Chapter Five Water and Wastewater Biological Monitoring Methods Chapter Two Bacteriological Determination in Water Eight Determination of Faecal Streptococcus in Water (B)

American National Standards Institute （ANSI), Method for Determination of Ammonia Nitrogen in Wastewater

ANSI/PIMA IT4.48-1998 Photography (Processing) - Effluents - Determination of Ammoniacal Nitrogen Content - Microdiffusion Method
ANSI/PIMA IT4.47-1998 Photography (Processing) - Effluents - Determination of Total Amino Nitrogen - Microdiffusion Kjeldahl Method
ANSI/ASTM D4663:1998 Polyurethane-Isocyanate Raw Materials, Determination of Hydrolyzable Chlorine, Method for Testing (08.03)

European Committee for Standardization (CEN), Method for Determination of Ammonia Nitrogen in Wastewater

EN 15750:2009 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
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 13717:2002 Surface active agents - Determination of primary, secondary and tertiary amino nitrogen - Potentiometric titration
EN ISO 14362-3:2017 Textiles - Methods for determination of certain aromatic amines derived from azo colorants - Part 3: Detection of the use of certain azo colorants@ which may release 4- aminoazobenzene

未注明发布机构, Method for Determination of Ammonia Nitrogen in Wastewater

BS 4267-1:1988(1999) Ammonium nitrate — Part 1 : Method for determination of ammoniacal nitrogen content
BS EN 1141:1995(2000) Method for Determination of proline content of fruit and vegetable juices : Spectrometric method
DIN EN ISO 14362-3 E:2015-06 Determination of certain aromatic amines derived from azo colorants in textiles Part 3: Testing for use of certain azo colorants that may release 4-aminoazobenzene (draft)

Hunan Provincial Standard of the People's Republic of China, Method for Determination of Ammonia Nitrogen in Wastewater

DB43/T 1403-2018 Water Quality Determination of Ammonia Nitrogen-Gas-liquid Separation and Collection Spectrophotometry

Professional Standard - Light Industry, Method for Determination of Ammonia Nitrogen in Wastewater

QB/T 2186-1995 Determination of Liquid Nitrogen in Hydrolyzed Protein by Ammonia Gas Sensitive Electrode

Lithuanian Standards Office , Method for Determination of Ammonia Nitrogen in Wastewater

LST EN 15750-2010 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
LST EN 12135-2001 Fruit and vegetable juices - Determination of nitrogen content - Kjeldahl method
LST EN 13717-2003 Surface active agents - Determination of primary, secondary and tertiary amino nitrogen - Potentiometric titration
LST EN 14362-3-2012 Textiles - Methods for determination of certain aromatic amines derived from azo colorants - Part 3: Detection of the use of certain azo colorants, which may release 4-aminoazobenzene
LST EN 16168-2012 Sludge, treated biowaste and soil - Determination of total nitrogen using dry combustion method

AENOR, Method for Determination of Ammonia Nitrogen in Wastewater

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-EN 12135:1998 Fruit and vegetable juices - Determination of nitrogen content - Kjeldahl method
UNE-EN 13717:2003 Surface active agents - Determination of primary, secondary and tertiary amino nitrogen - Potentiometric titration.
UNE 77035:1983 WATER ANALYSIS METHODS IN INDUSTRIAL WASTES. DETERMINATION OF ACIDITY
UNE-EN 25663:1994 WATER QUALITY. DETERMINATION OF KJELDAHL NITROGEN. METHOD AFTER MINERALIZATION WITH SELENIUM. (ISO 5663:1984).

IN-BIS, Method for Determination of Ammonia Nitrogen in Wastewater

IS 5194-1969 Determination method of nitrogen-Kjeldahl method
IS 6582-1971 Bioassay Methods for Assessing the Acute Toxicity of Industrial Effluents and Wastewaters
IS 3859-1966 Method for determination of intensity of water-soluble azo dyes using titanium trichloride reduction method

YU-JUS, Method for Determination of Ammonia Nitrogen in Wastewater

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

Professional Standard - Geology, Method for Determination of Ammonia Nitrogen in Wastewater

DZ/T 0064.57-2021 Analytical Methods of Groundwater Quality Part 57: Determination of Ammonia Nitrogen by Nessler's Reagent Spectrophotometry
DZ/T 0064.23-1993 Groundwater quality testing method Determination of iron by phenanthrene spectrophotometry

海关总署, Method for Determination of Ammonia Nitrogen in Wastewater

SN/T 5284-2021 Determination of banned azo dyes in textile processing wastewater

Inner Mongolia Provincial Standard of the People's Republic of China, Method for Determination of Ammonia Nitrogen in Wastewater

DB15/T 1458-2018 Method for Determination of pH Value, Organic Acid and Ammonia Nitrogen in Silage

PT-IPQ, Method for Determination of Ammonia Nitrogen in Wastewater

E 211-1967 water. Determination of the percentage content of nitrogen and ammonia components (transparent step)
NP EN 12135-2000 Fruit and vegetable juices Determination of nitrogen content Kjeldahl method

Ningxia Provincial Standard of the People's Republic of China, Method for Determination of Ammonia Nitrogen in Wastewater

DB64/T 1734-2020 Soil Hydrolyzable Nitrogen Determination Kjeldahl Method

AT-ON, Method for Determination of Ammonia Nitrogen in Wastewater

ONORM M 6248-1988 Water quality; determlnation of Kjeldabl nitrogen; method ajter mineralization with selenium

CU-NC, Method for Determination of Ammonia Nitrogen in Wastewater

NC 93-01-120-1988 Standards System for Envirorment Protection. Hydrosphere. Determination of Ammo-nial and Organic Nitrogen
NC 24-65-1986 Inorganic Chemical Products Nitrogen. Determination of Water Vapor Content. Aerial Water Point Method
NC 26-124-1985 Drugs, Deterrnination of Nitrogen by Kjejdah!. Testing Method

Indonesia Standards, Method for Determination of Ammonia Nitrogen in Wastewater

SNI 06-6989.14-2004 Water and waste water - Part 14: Test methods of dissolved oxygen by iodometry (azide modification)
SNI 4146-2013 Method for determination of total nitrogen content in sediment by Kjeldahl titration method
SNI 19-4794-1998 Test methods for pentachlorophenol in water and waste water
SNI 19-6036-1999 Test method for hydrogen peroxide (H2O2) in waste water
SNI 19-6964.3-2003 Seawater quality - Part 3: Test methods of ammonia solution (NH3-N) with indophenol blue by spectrophotometry
SNI 06-6989.13-2004 Water and waste water - Part 13: Test methods of calcium (Ca) by titrimetry

NL-NEN, Method for Determination of Ammonia Nitrogen in Wastewater

NEN 6482-1982 Water - Determination of the sum of ammoniacal and organically bound nitrogen according to Kjeldahl after mineralization with selenium
NEN 6481-1983 Water - Determination of the sum of ammoniacal and organically bound nitrogen according to Kjeldahl after mineralization with selenium
NEN 6646-1990 Water - Photometric determination of the content of ammonium nitrogen and of the sum of the contents of ammoniacal and organically bound nitrogen according to Kjeldahl by continuous flow analysis
NEN 3235 7.5-1978 Test methods for waste water. Photometric determination of lead content
NEN 3235 7.2a-1978 Test methods for waste water. Photometric determination of chromium(VI)content
NEN 3235 10.1-1978 Test methods for waste water. Determination of gas production of sludg
NEN 3235 8.3-1978 Test methods for waste water. Photometric rietermination of sulphide content
NEN 3235 9.1-1978 Test methods for waste water. Photometric determination of the content of phenols voiatile with water vapour
NEN 6660-1981 Waste water - Titrimetric determination of chloride content (mercurimetric)
NEN 3235 9.2.2-1978 Test methods for waste water. Gravimetric determination of oil and fat content. Direct extraction

Hubei Provincial Standard of the People's Republic of China, Method for Determination of Ammonia Nitrogen in Wastewater

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

SE-SIS, Method for Determination of Ammonia Nitrogen in Wastewater

SIS SS 02 81 04-1991 Determination of organically bound chlorine in waste waters by the AOXmethod

Professional Standard - Chemical Industry, Method for Determination of Ammonia Nitrogen in Wastewater

HG/T 4552.1~4552.3-2013 Determination method of tin content in tin stripping wastewater (2013)
HG/T 3519-2003 Industrial circulating cooling water-Determination of Benzotriazole
HG 5-1519-1985 Determination method of benzotriazole in industrial circulating cooling water
HG/T 4552.1-2013 Method for the measurement tin-content in spent tin-stripping solution.Part 1:Potassium iodate titration method

KR-KS, Method for Determination of Ammonia Nitrogen in Wastewater

KS M ISO 3332-2017 Ammonium sulphate for industrial use — Determination of ammoniacal nitrogen content — Titrimetric method after distillation
KS D 1811-2003(2023) Methods for determination of nitrogen in iron and steel
KS I ISO 5663-2023 Water quality — Determination of Kjeldahl nitrogen — Method after mineralization with selenium
KS K ISO 14362-3-2022 Textiles — Methods for determination of certain aromatic amines derived from azo colorants — Part 3: Detection of the use of certain azo colorants, which may release 4-aminoazobenzene
KS K 0739-2017(2022) Textile — Methods for determination of certain aromatic amines derived from azo colorants — Part 3: Detection of the use of certain azo colorants, which may release 4-aminoazobenzene
KS D 0275-1993(2023) Method of measuring surface hardness for nitrided iron and steel

HU-MSZT, Method for Determination of Ammonia Nitrogen in Wastewater

MSZ 21853/14-1981 Inspection of air pollution sources, determination of ammonia nitrogen emissions, using acid-base determination method

GOSTR, Method for Determination of Ammonia Nitrogen in Wastewater

GOST 9853.1-1996 Sponge titanium. Method for determination of nitrogen
GOST R 58596-2019 Soils. Methods for determination of total nitrogen

中华人民共和国国家卫生和计划生育委员会, Method for Determination of Ammonia Nitrogen in Wastewater

GB/T 18204.28-2000 Method for determination of temperature in water of swimming place

Shandong Provincial Standard of the People's Republic of China, Method for Determination of Ammonia Nitrogen in Wastewater

DB37/T 2704-2015 Determination of nitrogen oxides in exhaust gas from stationary pollution sources by ultraviolet absorption method
DB37/T 3784-2019 Chemiluminescence method for the determination of nitrogen oxides in exhaust gas from stationary pollution sources

TH-TISI, Method for Determination of Ammonia Nitrogen in Wastewater

TIS 1771-1999 Ammonium sulphate for industrial use.determination of ammoniacal nitrogen content.titrimetric method after distillation

Canadian General Standards Board （CGSB), Method for Determination of Ammonia Nitrogen in Wastewater

CGSB 9.2 NO. 1-94-CAN/CGSB-1994 Methods of Testing Pulp and Paper Mill Effluents and Water Determination of Solids Contents of Pulp and Paper Mill Effluents
CGSB 9.2 NO.2-94-CAN/CGSB-1994 Methods of Testing Pulp and Paper Mill Effluents and Water Determination of Biochemical Oxygen Demand (BOD)
CGSB 9.2 NO. 4-94-CAN/CGSB-1994 Methodes D'Essai Des Effluents Et De L'Eau Rejetes Par Les Usines De Pates Et Papiers Determination De La Couleur Des Effluents Des Usines De Pates
CGSB 9.2 NO. 3-94-CAN/CGSB-1994 Methodes D'Essai Des Effluents Et De L'Eau Rejetes Par Les Usines De Pates Et Papiers Determination De La Demande Chimique En Oxygene (DCO)

Xinjiang Provincial Standard of the People's Republic of China, Method for Determination of Ammonia Nitrogen in Wastewater

DB65/T 602.2-2001 The determinanation of hydrolyzable nitrogen in soil

Hebei Provincial Standard of the People's Republic of China, Method for Determination of Ammonia Nitrogen in Wastewater

DB13/T 5467-2021 Portable UV Absorption Method for Determination of Ammonia in Exhaust Gas from Stationary Pollution Sources
DB13/T 1224-2010 Determination method of total nitrogen in organic chemical products

Liaoning Provincial Standard of the People's Republic of China, Method for Determination of Ammonia Nitrogen in Wastewater

DB21/T 3072-2018 Determination of nitrogen oxides in exhaust gas from stationary pollution sources by ultraviolet-visible absorption method

TR-TSE, Method for Determination of Ammonia Nitrogen in Wastewater

TS 3651-1981 METHODS FOR THE ANALYSIS OF WATER — DETERMINATION OF IRON CONTENT — 1,10 Phenanthroline Spectrophotometry Method

Military Standard of the People's Republic of China-General Armament Department, Method for Determination of Ammonia Nitrogen in Wastewater

GJB 7186-2011 Determination of CS in waster.Chromatography

Professional Standard - Non-ferrous Metal, Method for Determination of Ammonia Nitrogen in Wastewater

YS/T 740-2010 Method for determination of caustic alkalinity in wastewater of alumina industry

工业和信息化部, Method for Determination of Ammonia Nitrogen in Wastewater

HG/T 5772-2021 Determination method of fluorine in waste sulfuric acid

中华人民共和国环境保护部, Method for Determination of Ammonia Nitrogen in Wastewater

GB 11902-1989 Water quality-Determination of selenium-Diaminonaphthalene fluorometrlc method
GB 7493-1987 Water quality-Determination of nitrogen (nitrite)-Spectrophotometric method

CEN - European Committee for Standardization, Method for Determination of Ammonia Nitrogen in Wastewater

EN ISO 11732:1997 Water Quality - Determination of Ammonium Nitrogen by Flow Analysis (CFA and FIA) and Spectrometric Detection

Professional Standard - Aviation, Method for Determination of Ammonia Nitrogen in Wastewater

HB 5297.25-2001 Methods of chemical analysis of titanium alloys - Determination of nitrogen content by steam distillation

Professional Standard - Electricity, Method for Determination of Ammonia Nitrogen in Wastewater

DL/T 502.15-2006 Analytical methods of steam and water in power plants Part 15: Determination of ammonia (Volumetric method)

Standard Association of Australia （SAA）, Method for Determination of Ammonia Nitrogen in Wastewater

AS 2300.1.2.2:1988 Methods of chemical and physical testing for the dairying industry - General methods and principles - Determination of nitrogen - Nitrogen fractions from milk

Professional Standard - Commodity Inspection, Method for Determination of Ammonia Nitrogen in Wastewater

SN/T 4042-2014 Determination of azide in wines for export

Tianjin Provincial Standard of the People's Republic of China, Method for Determination of Ammonia Nitrogen in Wastewater

DB12/T 512-2014 Determination method of nitrate nitrogen in soil samples