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Determination method of ammonia nitrogen in water and

Determination method of ammonia nitrogen in water and, Total:499 items.

In the international standard classification, Determination method of ammonia nitrogen in water and involves: Water quality, Vocabularies, Fertilizers, Animal feeding stuffs, Non-ferrous metals, Analytical chemistry, Beverages, Organic chemicals, Products of the chemical industry, Paint ingredients, Construction materials, Crude petroleum, Petroleum products in general, Coals, Spices and condiments. Food additives, Meat, meat products and other animal produce, Test conditions and procedures in general, General methods of tests and analysis for food products, Fuels, Ferrous metals, Leather technology, Air quality, Soil quality. Pedology, Farming and forestry, Construction industry, Products of the textile industry, Cellular materials, Nuclear energy engineering, Tobacco, tobacco products and related equipment, Lubricants, industrial oils and related products, Burners. Boilers, Milk and milk products, Textile fibres, Laboratory medicine, Furniture, Plastics, Food products in general, Waxes, bituminous materials and other petroleum products, Geology. Meteorology. Hydrology, Galvanic cells and batteries, Metalliferous minerals, Inorganic chemicals, Radiation protection, Rubber and plastics products, Power stations in general, Fruits. Vegetables, Sugar. Sugar products. Starch.

American Society for Testing and Materials (ASTM), Determination method of ammonia nitrogen in water and

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 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 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 D5475-93(1997) Standard Test Method for Nitrogen- and Phosphorus-Containing Pesticides in Water by Gas Chromatography with a Nitrogen-Phosphorus Detector
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 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 D5475-93(2002) Standard Test Method for Nitrogen- and Phosphorus-Containing Pesticides in Water by Gas Chromatography with a Nitrogen-Phosphorus Detector
ASTM D6979-18 Standard Test Method for Polyurethane Raw Materials: Determination of Basicity in Polyols, Expressed as Percent Nitrogen
ASTM D3228-96 Standard Test Method for Total Nitrogen In Lubricating Oils and Fuel Oils By Modified Kjeldahl Method
ASTM D3228-01 Standard Test Method for Total Nitrogen In Lubricating Oils and Fuel Oils By Modified Kjeldahl Method
ASTM D3228-05 Standard Test Method for Total Nitrogen in Lubricating Oils and Fuel Oils by Modified Kjeldahl Method
ASTM D322-97(2002)e1 Standard Test Method for Gasoline Diluent in Used Gasoline Engine Oils by Distillation
ASTM D3228-03 Standard Test Method for Total Nitrogen in Lubricating Oils and Fuel Oils by Modified Kjeldahl Method
ASTM D3228-08 Standard Test Method for Total Nitrogen in Lubricating Oils and Fuel Oils by Modified Kjeldahl Method
ASTM D322-97(2016) Standard Test Method for Gasoline Diluent in Used Gasoline Engine Oils by Distillation
ASTM E258-67(2002) Standard Test Method for Total Nitrogen in Organic Materials by Modified Kjeldahl Method
ASTM C1494-01 Standard Test Methods for Determination of Mass Fraction of Carbon, Nitrogen, and Oxygen in Silicon Nitride Powder
ASTM D3228-22 Standard Test Method for Total Nitrogen in Lubricating Oils and Fuel Oils by Modified Kjeldahl Method
ASTM D6016-17(2023) Standard Test Method for Determination of Nitrogen, Water Extractable in Leather
ASTM D6979-03 Standard Test Method for Polyurethane Raw Materials: Determination of Basicity in Polyols, Expressed as Percent Nitrogen
ASTM D6979-08 Standard Test Method for Polyurethane Raw Materials: Determination of Basicity in Polyols, Expressed as Percent Nitrogen
ASTM C1494-13(2018) Standard Test Methods for Determination of Mass Fraction of Carbon, Nitrogen, and Oxygen in Silicon Nitride Powder
ASTM D5291-01 Standard Test Methods for Instrumental Determination of Carbon, Hydrogen, and Nitrogen in Petroleum Products and Lubricants
ASTM D5176-91(2003) Standard Test Method for Total Chemically Bound Nitrogen in Water by Pyrolysis and Chemiluminescence Detection
ASTM D5176-91(1995) Standard Test Method for Total Chemically Bound Nitrogen in Water by Pyrolysis and Chemiluminescence Detection
ASTM D5176-08 Standard Test Method for Total Chemically Bound Nitrogen in Water by Pyrolysis and Chemiluminescence Detection
ASTM D4663-20 Standard Test Method for Polyurethane Raw Materials: Determination of Hydrolyzable Chlorine of Isocyanates
ASTM D4663-15 Standard Test Method for Polyurethane Raw Materials: Determination of Hydrolyzable Chlorine of Isocyanates
ASTM D5291-02(2007) Standard Test Methods for Instrumental Determination of Carbon, Hydrogen, and Nitrogen in Petroleum Products and Lubricants
ASTM D5291-02 Standard Test Methods for Instrumental Determination of Carbon, Hydrogen, and Nitrogen in Petroleum Products and Lubricants
ASTM D8083-16 Standard Test Method for Total Nitrogen, and Total Kjeldahl Nitrogen (TKN) by Calculation, in Water by High Temperature Catalytic Combustion and Chemiluminescence Detection
ASTM D6919-03 Standard Test Method for Determination of Dissolved Alkali and Alkaline Earth Cations and Ammonium in Water and Wastewater by Ion Chromatography
ASTM D6919-09 Standard Test Method for Determination of Dissolved Alkali and Alkaline Earth Cations and Ammonium in Water and Wastewater by Ion Chromatography
ASTM D5176-08(2015) Standard Test Method for Total Chemically Bound Nitrogen in Water by Pyrolysis and Chemiluminescence Detection
ASTM D4954-89(2003) Standard Test Method for Determination of Nitrilotriacetates in Detergents
ASTM E1409-05 Standard Test Method for Determination of Oxygen and Nitrogen in Titanium and Titanium Alloys by the Inert Gas Fusion Technique
ASTM E1409-08 Standard Test Method for Determination of Oxygen and Nitrogen in Titanium and Titanium Alloys by the Inert Gas Fusion Technique
ASTM D95-05(2010) Standard Test Method for Water in Petroleum Products and Bituminous Materials by Distillation
ASTM D95-13e1 Standard Test Method for Water in Petroleum Products and Bituminous Materials by Distillation
ASTM D5315-04(2011) Standard Test Method for Determination of N-Methyl-Carbamoyloximes and N-Methylcarbamates in Water by Direct Aqueous Injection HPLC with Post-Column Derivatization
ASTM D7129-05 Standard Test Method for Determination of Ammonia Trapping in a Grafted Battery Separator
ASTM D7129-09 Standard Test Method for Determination of Ammonia Trapping in a Grafted Battery Separator
ASTM D6979-13 Standard Test Method for Polyurethane Raw Materials: Determination of Basicity in Polyols, Expressed as Percent Nitrogen
ASTM D5523-21 Standard Test Method for Polyurethane Raw Materials: Acidity by Argentometric Determination of Hydrolyzable Chlorine in Monomeric, Aromatic Isocyanates
ASTM D5523-94(1999)e1 Standard Test Method for Polyurethane Raw Materials Acidity by Argentometric Determination of Hydrolyzable Chlorine in Monomeric, Aromatic Isocyanates
ASTM D5523-15 Standard Test Method for Polyurethane Raw Materials: Acidity by Argentometric Determination of Hydrolyzable Chlorine in Monomeric, Aromatic Isocyanates
ASTM D5373-14e2 Standard Test Methods for Determination of Carbon, Hydrogen and Nitrogen in Analysis Samples of Coal and Carbon in Analysis Samples of Coal and Coke
ASTM E258-67(1996)e1 Standard Test Method for Total Nitrogen in Organic Materials by Modified Kjeldahl Method
ASTM D4954-89(2009) Standard Test Method for Determination of Nitrilotriacetates in Detergents
ASTM D5373-08 Standard Test Methods for Instrumental Determination of Carbon, Hydrogen, and Nitrogen in Laboratory Samples of Coal
ASTM D2791-93(2001) Standard Test Methods for Continuous Determination of Sodium in Water
ASTM D2791-19 Standard Test Method for On-Line Determination of Sodium in Water
ASTM D5523-04 Standard Test Method for Polyurethane Raw Materials Acidity by Argentometric Determination of Hydrolyzable Chlorine in Monomeric, Aromatic Isocyanates
ASTM D5523-10 Standard Test Method for Polyurethane Raw Materials Acidity by Argentometric Determination of Hydrolyzable Chlorine in Monomeric, Aromatic Isocyanates

Professional Standard - Environmental Protection, Determination method of ammonia nitrogen in water and

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 101-2019 Ammonia nitrogen water quality online automatic monitor technical requirements and detection methods
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 550-2015 Water quality.Determination of cobalt.5-Cl-PADAB Spectrophotometry
HJ 550-2009 Water quality.Determination of cobalt.5-CI-PADAB spectrophotometry

VN-TCVN, Determination method of ammonia nitrogen in water and

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 3705-1990 Aquatic products.Method for the determination of total nitrogen and protein content

RU-GOST R, Determination method of ammonia nitrogen in water and

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 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 30181.8-1994 Mineral fertilizers. Method for determination of mass fraction of ammonium nitrogen in compound fertilizers (chloramine method)
GOST R 55479-2013 Meat and meat products. Method for determination of amino-ammonia 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 33045-2014 Water. Methods for determination of nitrogen-containing matters
GOST 27894.3-1988 Peat and products of its proccesing for agriculture. Methods for determination of ammonia nitrogen
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 27753.8-1988 Greenhouse grounds method for determination of ammonium nitrogen
GOST 30181.1-1994 Mineral fertilizers. Method for determination of total overall mass fraction of nitrogen in compound fertilizers (in ammonium and amide forms, with deammoniation)
GOST 30181.2-1994 Mineral fertilizers. Method for determination of total mass fraction of nitrogen in single - component fertlizers (in ammonium and amide forms, no deammoniation)
GOST 1547-1984 Oils and greases. Methods for determination of water presence
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 R 54491-2011 Canned fruits. Method for determination of quinoline, triarylmethane and azo colours presence

BE-NBN, Determination method of ammonia nitrogen in water and

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 94-301-1976 Determination of nitrogen dioxyde contents of ambient air -Griess-Saltzman method
NBN T 94-302-1976 Determination of nitrogen oxydes and of nitrogen monoxyde contents of ambient air - Griess-Saltzman method

Group Standards of the People's Republic of China, Determination method of ammonia nitrogen in water and

T/NAIA 001-2020 Determination of ammoniacal nitrogen in fermented feed Kjeldahl method
T/NAIA 0169-2022 Water Quality Determination of Ammonia Nitrogen by Ion Chromatography
T/CCAS 008-2019 Analytical methods of the ammonia in fly ash for cement and concrete
T/CHES 12-2017 Water Quality Determination of Ammonia Nitrogen Gas Phase Molecular Absorption Spectrometry
T/CHES 27-2019 Water Quality Determination of Ammonia Nitrogen Automatic Analysis Nessler's Reagent Spectrophotometry
T/CECS 10196-2022 Ammonia Release Limit and Determination Method in Fly Ash Used for Concrete
T/NAIA 004-2020 Determination of Ammonia Nitrogen Concentration in Rumen Fluid Alkaline Sodium Hypochlorite-Phenol Spectrophotometry
T/SXCIES 002-2020 Crude benzol- Determination of moisture content

Professional Standard - Urban Construction, Determination method of ammonia nitrogen in water and

CJ 26.25-1991 Determination of Standard Ammonia Nitrogen in Municipal Sewage Water Quality Inspection Method
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 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

PH-BPS, Determination method of ammonia nitrogen in water and

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

German Institute for Standardization, Determination method of ammonia nitrogen in water and

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 38406-5:1983-10 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 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 25663:1993-11 Water quality; determination of Kjeldahl nitrogen; method after mineralization with selenium (ISO 5663:1984); German version EN 25663:1993
DIN EN 25663:1993 Water quality; determination of Kjeldahl nitrogen; method after mineralization with selenium (ISO 5663:1984); German version EN 25663:1993
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 58976-1:1982 Special laboratory medicine; determination of L-Alanine: 2-oxoglutarate aminotransferase (Alaninaminotransferase) in serum or plasma; standard method
DIN CEN/TS 17403:2021-03 Fertilizers - Determination of cold water insoluble nitrogen and hot water insoluble nitrogen in solid urea formaldehyde and methylene urea slow-release fertilizers and determination of the solubility of nutrient polymers in phosphate buffer solution w...

Japanese Industrial Standards Committee (JISC), Determination method of ammonia nitrogen in water and

JIS H 1653:1991 Methods for determination of nitrogen in zirconium and zirconium alloys
JIS K 2609:1990 Crude petroleum and petroleum products -- Determination of nitrogen content
JIS H 1685:2000 Method for determination of nitrogen in tantalum
JIS H 1685:1976 Methods for determination of nitrogen in tantalum
JIS G 1228:1997 Iron and steel -- Methods for determination of nitrogen content
JIS K 0099:1983 Methods for determination of ammonia in exhaust gas
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 K 0227:1984 Analytical method for trace nitrogen oxides in diluent gas and zero 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 K 0104:2000 Methods for determination of nitrogen oxides in flue gas
JIS K 0099:2004 Methods for determination of ammonia in flue gas
JIS K 0104:1984 Methods for determination of oxides of nitrogen in flue gases
JIS K 0104:2011 Methods for determination of nitrogen oxides in flue gas
JIS K 0400-44-40:2000 Water quality -- Determination of Kjeldahl nitrogen -- Method after mineralization with selenium
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 0226:1983 Analytical method for trace water in diluent gas and zero gas
JIS H 1661:1986 Methods for determination of aluminium in zirconium and zirconium alloys
JIS H 1662:1986 Methods for determination of titanium in zirconium and zirconium alloys
JIS H 1663:1988 Methods for determination of carbon in zirconium and zirconium alloys
JIS H 1665:1988 Methods for determination of oxygen in zirconium and zirconium alloys
JIS H 1667:1986 Method for determination of hafnium in zirconium and zirconium alloys
JIS H 1670:1982 Method for determination of boron in zirconium and zirconium alloys
JIS H 1671:1982 Methods for determination of cadmium in zirconium and zirconium alloys
JIS H 1672:1982 Method for determination of uranium in zirconium and zirconium alloys
JIS H 1617:1995 Methods for determination of carbon in titanium and titanium alloys
JIS H 1620:1995 Methods for determination of oxygen in titanium and titanium alloys
JIS H 1619:1995 Methods for determination of hydrogen in titanium and titanium alloys
JIS H 1616:1995 Methods for determination of magnesium in titanium and titanium alloys
JIS H 1614:1995 Methods for determination of iron in titanium and titanium alloys
JIS H 1360:1997 Methods for determination of nickel in aluminium and aluminium alloys
JIS H 1361:1997 Methods for determination of tin in aluminium and aluminium alloys
JIS H 1062:1998 Methods for determination of zinc in copper and copper alloys
JIS H 1071:1999 Methods for determination of chromium in copper and copper alloys
JIS H 1336:1999 Methods for determination of copper in magnesium and magnesium alloys
JIS H 1337:1999 Method for determination of nickel in magnesium and magnesium alloys
JIS H 1338:1999 Methods for determination of iron in magnesium and magnesium alloys
JIS H 1353:1999 Methods for determination of iron in aluminium and aluminium alloys
JIS H 1355:1999 Methods for determination of manganese in aluminium and aluminium alloys
JIS H 1334:1999 Methods for determination of manganese in magnesium and magnesium alloys
JIS H 1333:1999 Methods for determination of zinc in magnesium and magnesium alloys
JIS H 1332:1999 Methods for determination of aluminium in magnesium and magnesium alloys
JIS H 1356:1999 Method for determination of zinc in aluminium and aluminium alloys
JIS H 1068:2005 Methods for determination of bismuth in copper and copper alloys
JIS H 1062:2006 Methods for determination of zinc in copper and copper alloys
JIS H 1051:1992 Methods for determination of copper in copper and copper alloys
JIS H 1059:1987 Methods for determination of arsenic in copper and copper alloys
JIS H 1072:1999 Methods for determination of antimony in copper and copper alloys
JIS H 1057:1999 Methods for determination of aluminium in copper and copper alloys
JIS K 0555:1995 Testing methods for determination of silica in highly purified water
JIS M 8081:1970 Methods for sampling and determination of moisture content of cement copper
JIS K 0096:1975 Methods for determination of chromium and manganese in stack gas
JIS K 0097:1979 Method for determination of cadmium and lead in stack gas
JIS M 8102:1993 Blister copper -- Methods for sampling and determination of moisture content

Korean Agency for Technology and Standards (KATS), Determination method of ammonia nitrogen in water and

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 2530-2021 Methods for determination of nitrogen in titanium and titanium alloys
KS D 2555-1995 Methods for determination of nitrogen in tantalum
KS D 2555-2015 Methods for determination of nitrogen in tantalum
KS D 1811-1993 Methods for determination of nitrogen in iron and steel
KS I ISO 11732:2008 Water quality－Determination of ammonium nitrogen－Method by flow analysis(CFA and FIA) and spectrometric detection
KS M 2112-2011 Crude petroleum and petroleum products-Determination of nitrogen content
KS I ISO 11732-2008(2018) Water quality－Determination of ammonium nitrogen－Method by flow analysis(CFA and FIA) and spectrometric detection
KS D 1811-2003 Methods for determination of nitrogen in iron and steel
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 A ISO 9006-2008(2018) Uranium metal and uranium dioxide powder and pellets－Determination of nitrogen content－Method using ammonia-sensing electrode
KS K ISO 2913:2009 Wool－Colorimetric determination of cystine plus cysteine in hydrolysates
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 D ISO 793-2002(2022) Aluminium and aluminium alloys－Determination of iron－Orthophenanthroline photometric method
KS D ISO 22960-2010(2020) Titanium and titanium alloys－Determination of iron－Molecular absorption spectrometry using 1,10-phenanthroline
KS D 1971-2016 Methods for determination of cobalt in nickel and nickel alloys
KS D 1863-1993 Methods for determination of silicon in aluminium and aluminium alloy
KS D 1866-2014 Methods for determination of manganese in aluminium and aluminium alloys
KS D 1872-2016 Methods for determination of tin in aluminium and aluminium alloys
KS D 1881-2016 Methods for determination of bismuth in aluminium and aluminium alloys
KS D 1883-2016 Methods for determination of boron in aluminium and aluminium alloys
KS D 2532-2016 Methods for determination of hydrogen in titanium and titanium alloys
KS D 2525-2016 Methods for determination of silicon in titanium and titanium alloys
KS D 2529-2016 Methods for determination of carbon in titanium and titanium alloys
KS D 1892-1993 Methods for determination of iron in copper and copper alloys
KS D 1894-1993 Methods for determination of tin in copper and copper alloys
KS D 1896-1993 Methods for determination of manganese in copper and copper alloys
KS D 1888-1993 Methods for Determination of Phosphorus in Copper and Copper Alloys
KS D 1889-1993 Methods for Determination of Aluminium in Copper and Copper Alloys
KS D 1895-1993 Methods for determination of lead in copper and copper alloys
KS D 1893-1993 Methods for determination of copper in copper and copper alloys
KS D 1897-1993 Methods for determination of nickel in copper and copper alloys
KS D 1688-2014 Methods for determination of cadmium in copper and copper alloys
KS D 1891-2005 Methods for determination of antimony in copper and copper alloys
KS D 1889-2016 Methods for determination of aluminium in copper and copper alloys
KS D 1892-2016 Mehods for determination of iron in copper and copper alloys
KS D 1893-2016 Methods for determination of copper in copper and copper alloys
KS D 1896-2016 Methods for determination of manganese in copper and copper alloys
KS D 1897-2016 Methods for determination of nickel in copper and copper alloys
KS D 2576-1995 Methods for determination of silicon in zirconium and zirconium alloys
KS D 2579-1995 Methods for determination of nickel in zirconium and zirconium alloys
KS D 2580-1995 Methods for determination of chromium in zirconium and zirconium alloys
KS D 2584-1995 Methods for determination of carbon in zirconium and zirconium alloys
KS D 2585-1995 Methods for determination of hydrogen in zirconium and zirconium alloys
KS D 2586-1995 Methods for determination of oxygen in zirconium and zirconium alloys
KS D 2575-2015 Methods for determination of cobalt in zirconium and zirconium alloys
KS D 2580-2015 Methods for determination of chromium in zirconium and zirconium alloys
KS D 2585-2015 Methods for determination of hydrogen in zirconium and zirconium alloys
KS D 2586-2016 Methods for determination of oxygen in zirconium and zirconium alloys
KS D 1915-2022 Methods for determination of gallium in aluminium and aluminium alloys
KS D 2532-2021 Methods for determination of hydrogen in titanium and titanium alloys
KS D 1887-2022 Methods for determination of silicon in copper and copper alloys
KS D 1881-2016(2021) Methods for determination of bismuth in aluminium and aluminium alloys
KS D 2026-2022 Method for determination of silicon in magnesium and magnesium alloys
KS D 2591-1996(2021) Method for determination of niobium in zirconium and zirconium alloys
KS D 2525-2021 Methods for determination of silicon in titanium and titanium alloys
KS D 1883-2016(2021) Methods for determination of boron in aluminium and aluminium alloys
KS D 2593-1991(2021) Method for determination of boron in zirconium and zirconium alloys
KS D 1971-2021 Methods for determination of cobalt in nickel and nickel alloys
KS D 1915-2012(2017) Methods for determination of gallium in aluminium and aluminium alloys
KS D 2024-2022 Methods for determination of zinc in magnesium and magnesium alloys
KS D 2027-2022 Method for determination of copper in magnesium and magnesium alloys
KS D 2025-2021 Methods for determination of manganese in magnesium and magnesium alloys
KS D 2529-2016(2021) Methods for determination of carbon in titanium and titanium alloys
KS D 2595-2022 Method for determination of uranium in zirconium and zirconium alloys
KS D 1896-2021 Methods for determination of manganese in copper and copper alloys
KS D 1877-2022 Methods for determination of beryllium in aluminium and aluminium alloys
KS D 2023-2022 Methods for determination of aluminium in magnesium and magnesium alloys
KS D 2526-2022 Methods for determination of manganese in titanium and titanium alloys
KS D 2586-2016(2021) Methods for determination of oxygen in zirconium and zirconium alloys
KS D 2594-1991(2021) Methods for determination of cadmium in zirconium and zirconium alloys
KS D 1889-2021 Methods for determination of aluminium in copper and copper alloys
KS D 1897-2016(2021) Methods for determination of nickel in copper and copper alloys
KS D 1872-2016(2021) Methods for determination of tin in aluminium and aluminium alloys
KS D 1882-2016(2021) Methods for determination of lead in aluminium and aluminium alloys
KS D 2029-2022 Methods for determination of iron in magnesium and magnesium alloys
KS D 2596-1991(2021) Methods for determination of lead in zirconium and zirconium alloys
KS D 1892-2016(2021) Mehods for determination of iron in copper and copper alloys
KS D 2592-2001(2021) Method for determination of niobium in zirconium and zirconium alloys
KS D 1893-2016(2021) Methods for determination of copper in copper and copper alloys
KS D 2590-1991(2021) Method for determination of hafnium in zirconium and zirconium alloys
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 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 3213-2009 Testing methods for concentration of fine particles in highly purified water
KS E 3012-2017 Method for determination of combined water in iron ores
KS E 3028-2021 Methods for determination of combined water in manganese ores
KS E 3012-2022 Method for determination of combined water in iron ores
KS K ISO 2915:2018 Wool－Determination of cysteic acid content of wool hydrolysates by paper electrophoresis and colorimetry
KS A 4513-2000 MEASURING METHODS OF B RADIOACTIVITY CONCENTRATION OF DRAIN WATER
KS A 4513-1985 MEASURING METHODS OF B RADIOACTIVITY CONCENTRATION OF DRAIN WATER

Professional Standard - Agriculture, Determination method of ammonia nitrogen in water and

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
GB/T 14965-1994 Method for Determination of Amino Acids in Food
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/T 2386-1980 Method for determination of moisture in dyes and dye intermediates
NY/T 793-2004 Determination of Amino Acids in Oil Plants and Products by High Performance Liquid Chromatography
GB/T 13112-1991 Determination method of sodium cyclamate in food
水产品质量安全检验手册 2.17.1.0-2005 Chapter 2 Basic Analysis Methods for Physical and Chemical Testing of Aquatic Products Section 17 Determination of Volatile Base Nitrogen in Aquatic Products (GBT 5009.44-2003) 1. Semi-trace Nitrogen Determination Method
GB/T 5009.3-1985 Method for Determination of Moisture in Food

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, Determination method of ammonia nitrogen in water and

GB/T 12143.2-1989 Determination method for amino nitrogen content in fruit and vegetable juice beverages--Formol number
GB/T 3600-2000 Fertilizers-Determination of ammoniacal nitrogen content-Formaldehyde method
GB/T 24101-2009 Limit and determination of 4-aminoazobenzene in dye products
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 19227-2008 Determination of nitrogen in coal
GB/T 3595-2000 Fertilizers-Determination of ammoniacal nitrogen content-Titrimetric method after distillation
GB 31893-2015 Limit and Determination Method of Water Soluble Chromium(Ⅵ) in Cement
GB/T 8570.2-2010 Determination of liquefied anhydrous ammonia.Part 2:Estimating of ammonia content
GB/T 30728-2014 Determination of nitrogen in solid biofuels
GB/T 16480.5-1996 Method for chemical analysis of yttrium and yttium oxide--Determination of nitrogen content
GB/T 223.36-1994 Methods for chemical analysis of iron, steel and alloy. The neutral titration method for the determinaion of nitrogen content after distillation separation
GB/T 15076.13-1994 Methods for chemical analysis of tantalum and niobium-Determination of nitrogen content in tantalum
GB/T 13598-1992 A method for the determination of agricultural chemical residues containing nitrogenous in tobacco leaves
GB/T 17674-1999 Determination of nitrogen in petroleum and petroleum products by chemiluminescence method
GB/T 6906-1986 Methods for analysis of water for boiler and for cooling--The determination of hydrazine
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 19227-2003 Determination of nitrogen in coal and coke semi-micro gasification method
GB/T 12146-1989 Analysis of water used in boiler and cooling system--Determination of ammonia--Phenol method
GB/T 12146-2005 Analysis of water used in boil and cooling system Determination of ammonia-Phenol method
GB/T 12492-1990 Determination of cystine content of wool hydrolysates by colorimetry
GB/T 22974-2008 Determination of isometamidium residues in milk and milk powder.LC-MS-MS method
GB 9170-1988 Determination method of total nitrogen content in lubricating oil and fuel oil (improved Kjeldahl method)
GB/T 9170-1988 Lubricating oils and fuel oils--Determination of total nitrogen--Modified kjeldahl method
GB 13112-1991 Determination method of sodium cyclamate in food
GB/T 14422-2008 Analysis of water used in boiler and cooling systems.Determination of benzotriazole
GB/T 8570.5-2010 Determination of liquefied anhydrous ammonia.Part 5:Water content.Karl Fishcer method
GB/T 211-1996 Determination of total moisture in coal
GB/T 14769-1993 Method for determination of moisture in foods
GB/T 211-2007 Determination of total moisture in coal
GB/T 211-2017 Determination of total moisture in coal
GB 14877-1994 Method for determination of carbamate pesticide residues in foods
GB/T 16031-1995 Workplace air--Determination of ammonia--Messler's reagent spectrophotometric method
GB/T 4698.7-2011 Methods for chemical analysis of titanium sponge, titanium and titanium alloys.Determination of oxygen and nitrogen content
GB/T 12491-1990 Determination of systine acid content of wool hydrolysates by paper electrophoresis and colorimetry
GB/T 23952-2009 Inorganic chemicals for industrial use.General method for the determination of total nitrogen content.Distillation-acid-base titrations method
GB/T 21318-2009 Determination of total nirogen content in animal feeding stuffs by combustion according to the Dumas principle and calculation o the crude protein content
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

Danish Standards Foundation, Determination method of ammonia nitrogen in water and

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/CEN/TS 17403:2021 Fertilizers – Determination of cold water insoluble nitrogen and hot water insoluble nitrogen in solid urea formaldehyde and methylene urea slow-release fertilizers and determination of the solubility of nutrient polymers in phosphate buffer solution with
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

Lithuanian Standards Office , Determination method of ammonia nitrogen in water and

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 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 CEN/TS 17403-2021 Fertilizers - Determination of cold water insoluble nitrogen and hot water insoluble nitrogen in solid urea formaldehyde and methylene urea slow-release fertilizers and determination of the solubility of nutrient polymers in phosphate buffer solution with

AENOR, Determination method of ammonia nitrogen in water and

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 25663:1994 WATER QUALITY. DETERMINATION OF KJELDAHL NITROGEN. METHOD AFTER MINERALIZATION WITH SELENIUM. (ISO 5663:1984).

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, Determination method of ammonia nitrogen in water and

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

国家市场监督管理总局、中国国家标准化管理委员会, Determination method of ammonia nitrogen in water and

GB/T 24101-2018 Limit and determination of 4-aminoazobenzene in dye products
GB/T 40904-2021 Methods for the determination of prohibited substances in furniture products and related materials—Azo dyes
GB/T 40907-2021 Methods for the determination of prohibited substances in furniture products and related materials—2,4-diaminotoluene and 4,4'-methylenedianiline

Association Francaise de Normalisation, Determination method of ammonia nitrogen in water and

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*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 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 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.
XP CEN/TS 17403:2021 Engrais - Dosage de l'azote insoluble dans l'eau froide et de l'azote insoluble dans l'eau chaude dans les engrais à libération lente urée-formaldéhyde solides etméthylène-urée, et détermination de la solubilité des polymères nutritifs da...
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 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
XP U42-656*XP CEN/TS 17403:2021 Fertilizers - Determination of cold water insoluble nitrogen and hot water insoluble nitrogen in solid urea formaldehyde and methylene urea slow-release fertilizers and determination of the solubility of nutrient polymers in phosphate buffer solution with
NF EN 12447:2021 Géotextiles et produits apparentés - Méthode d'essai sélective pour la détermination de la résistance à l'hydrolyse dans l'eau

British Standards Institution (BSI), Determination method of ammonia nitrogen in water and

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 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 ISO 23695:2023 Water quality. Determination of ammonium nitrogen in water. Small-scale sealed tube method
BS EN 25663:1993 Water quality. Determination of Kjeldahl nitrogen. Method after mineralization with selenium
21/30396472 DC BS ISO 23695. Water quality. Determination of ammonium nitrogen in water. Small-scale sealed tube method
BS ISO 937:2023 Meat and meat products. Determination of nitrogen content. Reference method
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 SubSec.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 ISO 11732:2005 Water quality. Determination of ammonium nitrogen. Method by flow analysis (CFA and FIA) and spectrometric detection
BS PD CEN/TS 17403:2021 Fertilizers. Determination of cold water insoluble nitrogen and hot water insoluble nitrogen in solid urea formaldehyde and methylene urea slow-release fertilizers and determination of the solubility of nutrient polymers in phosphate buffer solution with
BS 6068-2.40:1991 Water quality. Physical, chemical and biochemical methods. Method for the determination of borate by spectrometry using azomethine-H
BS EN 25814:1992 Method for determination of dissolved oxygen in water: electrochemical probe method

European Committee for Standardization (CEN), Determination method of ammonia nitrogen in water and

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 15750:2009 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
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 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
PD CEN/TS 17403:2021 Fertilizers - Determination of cold water insoluble nitrogen and hot water insoluble nitrogen in solid urea formaldehyde and methylene urea slow-release fertilizers and determination of the solubility of nutrient polymers in phosphate buffer solution with

CZ-CSN, Determination method of ammonia nitrogen in water and

CSN 58 0703-8-1999 Testing methods of dehydrated products and seasonings - Part 8: Determination of ammoniacal nitrogen
CSN 66 8102 Cast.17-1997
CSN 46 7092-29-1998 Testing methods for feeding stuffs - Part 29: Determination of amonia content in the fish meals
CSN 58 0703-7-1999 Testing methods of dehydrated products and seasonings - Part 7: Determinaton of total nitrogen
CSN 66 8102 Cast.28-1978 Smokeless powders. Methods of testing. Determination of nitrocellulose-nitrogen in double-base powders
CSN 42 0489-1989 Wrought cooper-zinc alloys. Method of residual internal stress determination in ammonia atmosphere

Professional Standard - Aviation, Determination method of ammonia nitrogen in water and

HB 5297.17-1984 Determination of Nitrogen in Titanium and Titanium Alloys by Steam Distillation

国家质量监督检验检疫总局, Determination method of ammonia nitrogen in water and

SN/T 4675.23-2016 Determination of ammonia nitrogen in exported wine and grape juice using continuous flow analyzer method
SN/T 4691-2016 Determination of aziridine in wood and wood products by gas chromatography
SN/T 4677-2016 Determination method of azocarboxamide in exported food by high performance liquid chromatography
SN/T 4842-2017 Determination of azodicarbonamide in plastic and rubber materials by high performance liquid chromatography

KR-KS, Determination method of ammonia nitrogen in water and

KS D 1811-2003(2023) Methods for determination of nitrogen in iron and steel
KS K ISO 2913-2018(2023) Wool — Colorimetric determination of cystine plus cysteine in hydrolysates
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 K ISO 2915-2018 Wool－Determination of cysteic acid content of wool hydrolysates by paper electrophoresis and colorimetry

International Organization for Standardization (ISO), Determination method of ammonia nitrogen in water and

ISO 11732:2005 Water quality - Determination of ammonium nitrogen - Method by flow analysis (CFA and FIA) and spectrometric detection
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 23695:2023 Water quality — Determination of ammonium nitrogen in water — Small-scale sealed tube method
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/FDIS 937 Meat and meat products — Determination of nitrogen content — Reference method
ISO/DIS 937 Meat and meat products — Determination of nitrogen content — Reference method
ISO 2913:1975 Wool; Colorimetric determination of cystine plus cysteine in hydrolysates
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 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

AR-IRAM, Determination method of ammonia nitrogen in water and

PT-IPQ, Determination method of ammonia nitrogen in water and

NP EN 12135-2000 Fruit and vegetable juices Determination of nitrogen content Kjeldahl method

未注明发布机构, Determination method of ammonia nitrogen in water and

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

NL-NEN, Determination method of ammonia nitrogen in water and

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 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-ISO 4134:1992 Meat and meat products. Determination of L-(+)-glutamic acid content (referece method)

Hunan Provincial Standard of the People's Republic of China, Determination method of ammonia nitrogen in water and

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

Professional Standard - Geology, Determination method of ammonia nitrogen in water and

DZ/T 0064.57-2021 Analytical Methods of Groundwater Quality Part 57: Determination of Ammonia Nitrogen by Nessler's Reagent Spectrophotometry

Professional Standard - Chemical Industry, Determination method of ammonia nitrogen in water and

HG/T 3519-2003 Industrial circulating cooling water-Determination of Benzotriazole
HG 5-1519-1985 Determination method of benzotriazole in industrial circulating cooling water

Professional Standard - Commodity Inspection, Determination method of ammonia nitrogen in water and

SN/T 4042-2014 Determination of azide in wines for export
SN/T 0858-2000 Method for the determination of tryptophan in pollen for import and export
SN/T 0930-2000 Method for the determination of total amino acid in pollen for import and export-Amino acid automatic analyzer method
SN/T 0850-2000 Method for the determination of proline in honey for import and export.Spectrophotometry
SN/T 1083.4-2012 Determination of total moisture in coke
SN/T 1769-2006 Determination of trimethoprim residues in meat and meat products for import and export - Liquid chromatographic method
SN/T 2115-2008 Determination of the hotel nitrogen content and calculation of the crude protein content in food and feed for import and export.Combustion according to the Dumas principle

Tianjin Provincial Standard of the People's Republic of China, Determination method of ammonia nitrogen in water and

DB12/T 512-2014 Determination method of nitrate nitrogen in soil samples
DB12/T 1015-2020 Determination of Nitrogen and Phosphorus in Dung Water of Dairy Farms Mid-infrared Attenuated Total Reflectance Spectrometry

ZA-SANS, Determination method of ammonia nitrogen in water and

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

AT-ON, Determination method of ammonia nitrogen in water and

ONORM M 6248-1988 Water quality; determlnation of Kjeldabl nitrogen; method ajter mineralization with selenium
ONORM DIN 10453-1993 Determination of water content of caseins and caseinates - Reference method
ONORM DIN 10334-1994 Determination of nitrogen content of milk according to Kjeldahl and calculation of crude protein content
ONR CEN/TS 17403-2021 Fertilizers - Determination of cold water insoluble nitrogen and hot water insoluble nitrogen in solid urea formaldehyde and methylene urea slow-release fertilizers and determination of the solubility of nutrient polymers in phosphate buffer solution with

IN-BIS, Determination method of ammonia nitrogen in water and

ES-AENOR, Determination method of ammonia nitrogen in water and

PL-PKN, Determination method of ammonia nitrogen in water and

PN Z04009-02-1991 Air purity protection Tests for nitrogen compounds Determination of ammonia in the atmosphere (imision) by photometric, indophenol method
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 C04596-02-1990 Water and waste water Tests for zinc Determination of zinc by zincon method
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 Z04092 Arkusz 01-1974 Air purity protectlon Tests tor nitric acid and nitrogen oxides Determination of nitric acid and total amount of nitric acid and nitrogen oxides in the work station by the colorimetric method with phenoldisulphonic acid

Professional Standard - Coal, Determination method of ammonia nitrogen in water and

MT/T 371-1994 Determination method of sulfur ion in coal mine water p-aminodimethylaniline colorimetric method
MT/T 890-2000 Determination of lithium in coal mine water
MT/T 891-2000 Determination of boron in coal mine water
MT/T 893-2000 Determination of bromine in coal mine water
MT/T 359-2005 Determination of arsenic in coal mine water
MT/T 359-1994 Determination method of arsenic in coal mine water
MT/T 806-1999 Determination of trace oil in groundwater from coal mines
MT/T 742.1-1997 Determination of total chrominum in mine water
MT/T 743.1-1997 Determination of total phosphorus in mine water
MT/T 742.1-2011 Determination of total chrominum in mine water
MT/T 743.1-2011 Determination of total phosphorus in mine water
MT/T 256-2000 Measuring method of pH value in coal mine water
MT/T 742.2-1997 Determination of chrominum(Ⅵ) in mine water
MT/T 360-2005 Determination of fluorine ion in coal mine water
MT/T 368-2005 Determination of iron ion in coal mine water
MT/T 373-2005 Determination of aluminum ion in coal mine water
MT/T 371-2005 Determination of sulfion in coal mine water
MT/T 742.2-2011 Determination of chrominum(VI) in mine water
MT/T 805-1999 Determination on the SS of water in coal mines
MT/T 892-2000 Determination of iodide ions in coal mine water
MT/T 360-1994 Determination method of fluoride ion in coal mine water
MT/T 368-1994 Determination method of iron ion in coal mine water
MT/T 370-1994 Determination method of dissolved oxygen in coal mine water
MT/T 373-1994 Determination method of aluminum ion in coal mine water
MT/T 201-1995 Determination method of chloride ion in coal mine water
MT/T 202-1995 Determination method of calcium ion in coal mine water
MT/T 254-2000 Determination method of ammonium ion in coal mine water
MT 254-1991 Determination method of ammonium ion in coal mine water

Shanxi Provincial Standard of the People's Republic of China, Determination method of ammonia nitrogen in water and

DB14/T 1099-2015 Determination of Hydrolyzable Nitrogen in Soil Alkaline Hydrolysis Distillation Potentiometric Titration

Inner Mongolia Provincial Standard of the People's Republic of China, Determination method of ammonia nitrogen in water and

DB15/T 2037-2020 Determination of tryptophan in feed by microwave hydrolysis-amino acid automatic analyzer method

Standard Association of Australia （SAA）, Determination method of ammonia nitrogen in water and

AS 1050.12:1983/Amdt 1:1984
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
AS 2300.1.2.2:2008 Methods of chemical and physical testing for the dairying industry Method 1.2.2: General methods and principles- Determination of nitrogen—Nitrogen fractions from milk

中华人民共和国国家卫生和计划生育委员会, Determination method of ammonia nitrogen in water and

WS/T 55-1996 Urine.Determination of 4-aminophenol.Spectrophotometric method

Yunnan Provincial Standard of the People's Republic of China, Determination method of ammonia nitrogen in water and

DB53/T 624-2014 Determination of Nitrate Nitrogen and Nitrite Nitrogen in Coking Wastewater by Dairyler's Alloy Reduction-Neutralization Titration

YU-JUS, Determination method of ammonia nitrogen in water and

JUS C.A1.409-1982 Methods for chemical analysi$ of ferroalloys. Titrimetric determination ofnitrogen in ferro-chromium
JUS H.B8.162-1988 Fertillzets. Determination of water content in fertilizers vrith nitrogen component trom carbamide. Gravimetric metbo?

Indonesia Standards, Determination method of ammonia nitrogen in water and

SNI 06-6876-2002 Test methods of ammonia content in water by ion selective electrode
SNI 06-6601-2001 Methods for determination of sulphate in water by residue draining in gravimetric methods

Canadian Standards Association (CSA), Determination method of ammonia nitrogen in water and

CSA Z223.24 -M1983-1983 Method for the Measurement of Nitric Oxide and Nitrogen Dioxide in Air General Instruction No 1 R(1999)

TR-TSE, Determination method of ammonia nitrogen in water and

TS 3244-1978 WOOL - COLORIMETRIC DETERMINATION OP CYSTINE PLUS CYTEINE IN HYDROLYSATES
TS 3651-1981 METHODS FOR THE ANALYSIS OF WATER — DETERMINATION OF IRON CONTENT — 1,10 Phenanthroline Spectrophotometry Method

Xinjiang Provincial Standard of the People's Republic of China, Determination method of ammonia nitrogen in water and

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

煤炭工业部, Determination method of ammonia nitrogen in water and

MT/T 742-1997 Determination method of chromium in coal mine water
MT/T 743-1997 Determination method of phosphorus in coal mine water

Professional Standard - Energy, Determination method of ammonia nitrogen in water and

NB/SH/T 0656-2017 Determination of Carbon, Hydrogen and Nitrogen in Petroleum Products and Lubricants Elemental Analyzer Method

国家能源局, Determination method of ammonia nitrogen in water and

SH/T 0656-2017 Elemental analyzer method for determination of carbon, hydrogen and nitrogen in petroleum products and lubricants

Professional Standard - Hygiene , Determination method of ammonia nitrogen in water and

WS/T 56-1996 Urine.Determination of p-aminophenol.High performance liquid chromatographic method
WS/T 23-1996 Urine.Determination ofδ-aminolevulinic acid.Spectrophotometric method

Shandong Provincial Standard of the People's Republic of China, Determination method of ammonia nitrogen in water and

DB37/T 2094-2012 Determination of Hydroxyproline Content in Aquatic Products by High Performance Liquid Chromatography

Professional Standard - Ocean, Determination method of ammonia nitrogen in water and

HY/T 263-2018 Determination of dissolved nitrous oxide in seawater—Headspace equilibrium gas chromatography method

Fujian Provincial Standard of the People's Republic of China, Determination method of ammonia nitrogen in water and

DB35/T 1144-2011 Determination of inorganic nitrogen and active phosphate in seawater by flow chemical analysis

Agricultural Standard of the People's Republic of China, Determination method of ammonia nitrogen in water and

GB 31660.8-2019 National food safety standard— Determination of isometamidium residues in bovine tissue and milk by liquid chromatography-tandem mass spectrometric method

International Federation of Trucks and Engines, Determination method of ammonia nitrogen in water and

NAVISTAR CEMS DT-3-2001 Methods of Determining Glass and PTFE Fillers in Thermoplastic Urethane

Professional Standard - Electron, Determination method of ammonia nitrogen in water and

SJ 2804.1-1987 Method for determination of Nitrogen in electronic grade Argon--Concentration gas chromatographic method (Part one)
SJ 2804.2-1987 Method for determination of trace Nitrogen in electronic grade Argon--Concentration gas chromatographic method (Part two)
SJ 3238-1989 Method for determination of trace Nitrogen in electronic grade Argon--Argon ionization gas chromatography method
SJ 2805-1987 Method for determination of Oxygen with Argon and Nitrogen in electronic grade Hydrogen--Concentration gas chromatographic method

Anhui Provincial Standard of the People's Republic of China, Determination method of ammonia nitrogen in water and

DB34/T 2004-2013 Determination method of lactic acid in yellow pulp water

工业和信息化部, Determination method of ammonia nitrogen in water and

HG/T 4963.2-2016 Determination of Hazardous Substances in Pigment Printing Paste Products Part 2: Determination of 4-Aminoazobenzene Gas Chromatography-Mass Spectrometry

CEN - European Committee for Standardization, Determination method of ammonia nitrogen in water and

PD CEN/TR 17365:2019 Method for the determination of C3A in the clinker from cement analysis

IT-UNI, Determination method of ammonia nitrogen in water and

UNI CEN/TS 17403-2021 Fertilizers - Determination of cold water insoluble nitrogen and hot water insoluble nitrogen in solid urea formaldehyde and methylene urea slow-release fertilizers and determination of the solubility of nutrient polymers in phosphate buffer solution with

ES-UNE, Determination method of ammonia nitrogen in water and

UNE-CEN/TS 17403:2021 Fertilizers - Determination of cold water insoluble nitrogen and hot water insoluble nitrogen in solid urea formaldehyde and methylene urea slow-release fertilizers and determination of the solubility of nutrient polymers in phosphate buffer solution w...

Professional Standard - Electricity, Determination method of ammonia nitrogen in water and

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

American National Standards Institute （ANSI), Determination method of ammonia nitrogen in water and

ANSI/ASTM D4663:1998 Polyurethane-Isocyanate Raw Materials, Determination of Hydrolyzable Chlorine, Method for Testing (08.03)