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Sanpin azotometer

Sanpin azotometer, Total:498 items.

In the international standard classification, Sanpin azotometer involves: Iron and steel products, Farming and forestry, Analytical chemistry, Soil quality. Pedology, Food products in general, Metrology and measurement in general, Products of the chemical industry, Coals, Fruits. Vegetables, Animal feeding stuffs, Refractories, Fuels, Fertilizers, General methods of tests and analysis for food products, Sugar. Sugar products. Starch, Petroleum products in general, Lubricants, industrial oils and related products, Milk and milk products, Meat, meat products and other animal produce, Leather technology, Rubber, Non-ferrous metals, Linear and angular measurements, Products of the textile industry, Raw materials for rubber and plastics, Water quality, Quality, Organic chemicals, Crude petroleum, Textile fibres, Metalliferous minerals, Inorganic chemicals, Cereals, pulses and derived products, Pesticides and other agrochemicals, Ferroalloys, Spices and condiments. Food additives, Materials and articles in contact with foodstuffs, Glass, Measurement of fluid flow, Paint ingredients, Vocabularies, Electricity. Magnetism. Electrical and magnetic measurements, Aircraft and space vehicles in general, Burners. Boilers, Nuclear energy engineering, Air quality, Powder metallurgy, Testing of metals, Materials for the reinforcement of composites, Conducting materials, Measurement of volume, mass, density, viscosity, Geology. Meteorology. Hydrology, Prepackaged and prepared foods, Furniture.

Hebei Provincial Standard of the People's Republic of China, Sanpin azotometer

DB13/T 2645-2018 General technical requirements for nitrogen trifluoride detector
DB13/T 1224-2010 Determination method of total nitrogen in organic chemical products
DB13/T 1081.27-2009 Plastics for food packaging materials and products - Part 27: Determination of specific migration of 2,4,6-triamino-1,3,5-triazine (melamine)
DB13/T 1000-2008 Determination of melamine in milk and dairy products

Professional Standard - Agriculture, Sanpin azotometer

14兽药典一部-2015 The first part of the text variety
NY/T 2419-2013 Determination of total nitrogen in plant.Automatic kjeldahl apparatus method
15兽药典一部-2015 Text Varieties Part 1 Sanhua Triazamidine for Injection
NY/T 1121.24-2012 Soil testing.Part 24:Determination of total nitrogen in soil.Automatic kjeldahl apparatus method
247药典化学药和生物制品卷-2010 Chapter III Psychotropic Drugs IV. Mood Stabilizer Olanzapine
GB 31658.18-2022 National Food Safety Standard for the Determination of Triazine Residues in Animal Foods by High Performance Liquid Chromatography
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
400兽药典一部-2015 Variety of the text Part 1 Thirteen pictures

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, Sanpin azotometer

GB/T 35582-2017 Sulfur and nitrogen elemental analyzers
GB/T 33862-2017 Automatic（semi）Kjeldahl analyzer
GB/T 35830-2018 Cleaning products—Determination of triclosan
GB/T 33273-2016 Textiles—Determination of triclosan residues
GB/T 34856-2017 Cleaning products—Determination of triclocarban
GB/T 34176-2017 Chemical analysis methods for determination of Fe2+ and Fe3+ in refractory products by the spectral photometric method with 1,10-phenanthroline

Group Standards of the People's Republic of China, Sanpin azotometer

T/CIMA 0041-2021 Ammonia Nitrogen Rapid Tester
T/CMA 031-2021 Calibration method for basic nitrogen meters
T/GDAQI 029-2020 Determination of ethylenediamine tetraacetic acid, nitrilotriacetic acid and diethylenetriamine pentaacetic acid in detergent-High performance liquid chromatography
T/NAIA 0135-2022 Determination of carbon, hydrogen and nitrogen in coal-based Fischer-Tropsch synthetic liquid fuel oil and chemicals Elemental analyzer method
T/NAIA 0208-2023 Determination of Stable Isotope Ratio of Carbon and Nitrogen in Lycium Barbarum by Stable Isotope Analyzer Method
T/NAIA 0139-2022 Diesel engine nitrogen oxide reducing agent urea aqueous solution (AUS 32) Determination of urea content Automatic Kjeldahl method
T/QAS 046-2021 Determination of total iron, ferrous iron and ferric iron in brine by phenanthroline spectrophotometric method
T/CNTAC 20-2018 Textile—Rapid determination method of the banned azo colorants
T/SDSZC 006-2022 Standards of Evaluation and Identification of Three-Reduction Food
T/CNTAC RM2-2022 Diatomaceous earth column for determination of the banned azo colourants in textiles
T/SDSZC 007-2022 Standards of Evaluation and Identification of Three-Reduction Food Enterprises
T/SXHK 004-2019 Definition principles of product 3D pattern layer
T/DLAS 0003-2020 Determination of trivalent chromium and hexavalent chromium in food
T/SPSTS 013-2019 Determination of the carbon, hydrogen, oxygen, nitrogen, and sulfur content of graphene powder materials— Elemental analyzer method
T/CSTM 00340-2020 Determination of the carbon, hydrogen, oxygen, nitrogen, and sulfur content of graphene powder materials— Elemental analyzer method
T/CMA 033-2021 Calibration method for distillation range testers of petroleum products
T/ZFB 0005-2020 Textiles——Determination of tris-(2-chloroethyl)phosphate
T/FDCA 004-2020 Cosmetics—Determination of viscosity—Rotational rheometer method
T/SLIA 001-2019 Food contact materials and articles, adornment—Determination of surface area— Three-dimensional model reconstruction method

Ningxia Provincial Standard of the People's Republic of China, Sanpin azotometer

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

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, Sanpin azotometer

GB/T 5009.179-2003 Determination of trimethylamine nitrogen in ham
GB/T 30733-2014 Determination of total carbon, hydrogen and nitrogen content in coal.Instrumental method
GB/T 22923-2008 Determination of nitrogen,phosphorus and potassium for fertilizers by auto analyzer
GB/T 9695.11-1988 Meat and meat products--Method for determination of nitrogen content
GB/T 9695.11-2008 Meat and meat products.Determination of nitrogen content
GB/T 23344-2009 Textiles.Determination of 4-aminoazobenzene
GB/T 17592-2006 Textiles. Determination of the banned azo colourants
GB/T 17592-2011 Textiles.Determination of the banned azo colourants
GB/T 23344-2009(英文版) Textiles-Determination of 4 aminoazobenzene
GB/T 14422-2008 Analysis of water used in boiler and cooling systems.Determination of benzotriazole
GB/T 17592-2011(英文版) Textiles—Determination of the banned azo colorants
GB/T 21704-2008 Determination of non-protein-nitrogen content in milk and dairy products
GB/T 9984.10-2004 Sodium tripolyphosphate for industrial use (including foodstuffs)-Determination of oxides of nitrogen content-3,4-Xylenol spectrophotometric method
GB/T 9984.10-1988 Sodium tripolyphosphate for industrial use (including foodstuffs)--Determination of oxides of nitrogen content--3,4-Xylenol spectrophotometric method
GB/T 7630-1987 The tribromoarsenazo photometric method for the determination of rare earth oxide content in rice and wheat
GB 7630-1987 The tribromoarsenazo photometric method for the determination of rare earth oxide content in rice and wheat
GB/T 8654.1-2007 Manganese metal,ferromanganese-silicon,ferromanganese and nitrogen-bearing ferromanganese Determination of iron content The ortho-phenanthrdine spectrophotometric method and the titanium trichloride-potassium dichromate titrimetric method
GB/T 13748.4-1992 Magnesium and its alloys--Determination of cerium content--Tribromoarsenazo spectrophotometric method
GB/T 24101-2009 Limit and determination of 4-aminoazobenzene in dye products
GB/T 3257.5-1999 Methods for chemical analysis of bauxite--Determination of iron oxide content--Orthophenanthroline photometric method
GB/T 17674-1999 Determination of nitrogen in petroleum and petroleum products by chemiluminescence method
GB/T 33273-2016(英文版) Textiles—Determination of triclosan residues
GB/T 3257.15-1999 Methods for chemical analysis of bauxite--Determination the total content of rare earth oxide--Tribromo-arsenazo photometric method
GB/T 6610.4-2003 Chemical analysis methods of aluminium hydroxide Determination of ferric oxide content-Orthophenanthroline photometric method
GB/T 14422-1993 Analysis of water used in boiler and cooling system. Determination of benzotriazole. Ultraviolet spectrophotometry
GB/T 3253.2-2008 Methods for chemical analysis of antimony and antimony trioxide.Determination of iron content.Orthophenanthroline spectrophotometric method
GB/T 12689.11-2004 The methods for chemical analysis of zinc and zinc alloys-The determination of lanthanum and cerium contents-The tri-bromide arsenazo spectrophotometric method
GB/T 6901.4-1986 Silica refractories--Determination of iron oxide content-0-phenanthroline photometric method
GB/T 22255-2008 Determination of sucralose in foods
GB/T 18412.5-2008 Textiles.Determination of the residues of pesticides.Part 5: Organic nitrogen pesticides
GB/T 16555.5-1996 Chemical analysis for silicon carbide refractories--Determination of ferric oxide--o-Phenanthroline photometric method
GB/T 3885.6-1983 Methods for chemical analysis of spodumenite and lepidolite concentrates--The O-phenanthroline photometric method for the determination of ferric oxide content
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 23296.15-2009 Food contact materials.Polymer.Determination of 2,4,6-triamino-1,3,5-triazine(melamine)in food simulants.High performance liquid chromatography
GB/T 6609.4-2004 Chemical analysis methods and determination of physical performance of alumina Determination of ferric oxide content-Orthophenanthroline photometric method
GB/T 5009.126-2003 Determination of triadimefon residues in vegetable foods
GB/T 6987.24-2001 Aluminium and aluminium alloys--Determination of the cerium subgroup of rare earth elements content--Tribromoarsenazo spectrophotometric method
GB/T 6900.3-1986 Fireclay and high-alumina refractories--Determination of iron oxide content--0-phenanthroline photometric method
GB 6900.3-1986 Clay, high alumina refractories chemical analysis method o-phenanthrene spectrophotometric determination of ferric oxide content
GB/T 2911-1997 Textiles--Ternary fibre mixtures--Quantitative chemical analysis

国家质量监督检验检疫总局, Sanpin azotometer

SN/T 4948-2017 Determination of nitrogen triacetate in detergents by ion chromatography
SN/T 4764-2017 Elemental analyzer method for determination of carbon, hydrogen, nitrogen and sulfur content in coal
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 4558-2016 Determination of tricyclic tin (triazoletin) and styrenebutin content in exported foods
SN/T 4950-2017 Determination of triclosan and triclocarban in detergent products - high performance liquid chromatography
SN/T 4677-2016 Determination method of azocarboxamide in exported food by high performance liquid chromatography

CZ-CSN, Sanpin azotometer

CSN 70 4243-1981 Glass apparatus by Parnas-Wagner for the determination of nitrogen
CSN ISO 1871:1994 Agricultural food products-General directions for the determination of nitrogen by the Kjeldahl method
CSN 42 0648 Cast.5-1986 Chemical analysis of metallic chromium. Determination of nitrogen by the titration and by the method with automatic analyzers
CSN 58 0703-7-1999 Testing methods of dehydrated products and seasonings - Part 7: Determinaton of total nitrogen
CSN 58 0703-8-1999 Testing methods of dehydrated products and seasonings - Part 8: Determination of ammoniacal nitrogen
CSN 70 0626 Cast.2-1976 Glass testing. Chemical analysis of glass. Determination of iron(III)-oxide. Photometric method with the use of 1,10-phenanthroline

National Metrological Verification Regulations of the People's Republic of China, Sanpin azotometer

JJG 631-2013 Verification Regulation of Ammonia-Nitrogen Automatic Analyzers
JJG 656-2013 Verification Regulation of Nitrate-Nitrogen Automatic Analyzers
JJG 801-1993 Verification Regulation of Chemiluminescent NO/NO<下标x> Analyzer
JJG 645-1990 Verification Regulation of III-mode Ultrasonic Flaw Detector for Rail
JJG(地质) 1028-1994 Verification Regulations for Electromagnetic Vibration Triaxial Apparatus
JJG(地质) 1029-1994 Verification Regulations for Strain Controlled Triaxial Apparatus
JJG(电子) 05041-1991 CJ2780 type three-purpose error sorting instrument verification regulations
JJG(电子) 02003-1988 Trial Verification Regulations for DO30-C Digital Three-purpose Meter Calibrator
JJG(电子) 04026-1989 BJ2985 type crystal triode maintenance voltage tester verification regulations
JJG(电子) 04023-1989 Specification for verification of BJ2970 model high power semiconductor triode tf tester
JJG(纺织) 059-1995 Textile Bursting Strength Tester Verification Regulations
JJG(电子) 04009-1987 BJ2983 type crystal triode forward-biased secondary breakdown tester trial verification regulations
JJG(电子) 04016-1988 BJ2984 (QR-3) Trial Verification Regulations for Transient Thermal Resistance Tester of Crystal Transistor
JJG 516-1987 Verification Regulation of Model BJ2920(HQ2)Digital DC Characterization Tester for Bipolor Transister

RU-GOST R, Sanpin azotometer

GOST 34111-2017 Juice products. Determination of nitrogen content by Kjeldahl method
GOST EN 15604-2013 Fertilizers. Determination of different forms of nitrogen in the same sample: nitric, ammoniacal, cyanamide and urea nitrogen
GOST 26889-1986 Food-stuffs and food additives. General directions for the determinations of nitrogen content by the Kjeldahl method
GOST R 54244-2010 Solid mineral fuel. Instrumental method for determination of carbon, hydrogen and nitrogen
GOST R 55246-2012 Milk and milk products. Determination of non-protein nitrogen content by Kjeldahl method
GOST 938.7-1968 Leather. Method of determination of nitrogen content
GOST 32979-2014 Solid mineral fuel. Instrumental method for determination of carbon, hydrogen and nitrogen
GOST R 55331-2012 Milk and milk products. Titrimetric method of calcium content determination
GOST 32008-2012 Meat and meat products. Determination of nitrogen content (Reference method)
GOST 32985-2014 Solid biofuels. Determination of carbon, hydrogen and nitrogen by instrumental methods
GOST R 54216-2010 Solid biofuels. Determination of total content of carbon, hydrogen and nitrogen by instrumental methods
GOST R 54491-2011 Canned fruits. Method for determination of quinoline, triarylmethane and azo colours presence
GOST 13301-1967 Organic chemical products. Method of test for microdetermination of nitrogen
GOST R 55479-2013 Meat and meat products. Method for determination of amino-ammonia nitrogen
GOST 33513-2015 Solid recovered fuel. Determination of carbon (C), hydrogen (H) and nitrogen (N) content by instrumental method
GOST R 50453-1992 Meat and meat products. Determination of nitrogen content (Reference method)
GOST 27894.3-1988 Peat and products of its proccesing for agriculture. Methods for determination of ammonia nitrogen
GOST 33279-2015 Canned fruits. Determination of quinoline, triarylmethane and azo colours presence by thin-layer chromatography method
GOST 1594-1969 Apparatus for quantitative determination of water content in petroleum, food and other products. Specifications
GOST R ISO 5088-1999 Textiles. Ternary fibre mixtures. Quantitative analysis
GOST ISO/TS 15495/IDF/RM 230-2012 Milk, milk products and infant formulae. Guidelines for the quantitative determination of melamine and cyanuric acid by LC-MS/MS
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 ISO/TS 17837-2013 Processed cheese products. Determination of nitrogen content and crude protein calculation. Kjeldahl method
GOST 8852-1974 Petroleum products. Method of test for coking by apparatus "LKN-70"

Professional Standard - Petrochemical Industry, Sanpin azotometer

SH/T 0656-1998 Standard test methods for instrumental determination of carbon,hydrogen,and nitrogen in petroleum products and lubricants
SH/T 0162-1992 Method for Determination of Basic Nitrogen in Petroleum Products
SH/T 0171-1992 Method for Determination of Nitrogen Content in Petroleum and Petroleum Products (Thymol Colorimetric Method)
NB/SH/T 0704-2010 Standard test method for nitrogen in petroleum and petroleum products by boat-inlet chemiluminescence
SH/T 0704-2001 Standard test method for nitrogen in petroleum and petroleum products by boat-inlet chemiluminescence

Professional Standard - Energy, Sanpin azotometer

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

国家能源局, Sanpin azotometer

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

Shandong Provincial Standard of the People's Republic of China, Sanpin azotometer

DB37/T 2485-2014 Technical conditions for full (semi) automatic Kjeldahl nitrogen analyzer
DB37/T 3311-2018 Determination of Nitrogen Mustard in Cosmetics by Gas Chromatography

Inner Mongolia Provincial Standard of the People's Republic of China, Sanpin azotometer

DB15/T 1236-2017 Determination of volatile basic nitrogen in feedstuffs of animal origin by automatic Kjeldahl method

Professional Standard - Ferrous Metallurgy, Sanpin azotometer

YB/T 174.4-2000 Chemical analysis for silicon nitride bonded silicon carbide product.Determination of iron oxide content.o-Phenanthroline photometric method
YB/T 174.1-2000 Chemical analysis for silicon nitride bonded silicon carbide product.Determination of silicon nitride content.High pressure dissolve specimen method
YB/T 4013-1991 Method for chemical analysis of high-quality magnesia
YB/T 5157-1993 Determination of iron in graphite products of high purity by ortho-phenathroline photometric method

GOSTR, Sanpin azotometer

GOST R ISO 15604-2019 Fertilizers. Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
GOST 34454-2018 Dairy products. Determination of protein content by the Kjeldahl method
GOST 34536-2019 Milk and milk products. Determination of mass fraction of whey proteins by Kjeldahl method

American Society for Testing and Materials (ASTM), Sanpin azotometer

ASTM D5373-08 Standard Test Methods for Instrumental Determination of Carbon, Hydrogen, and Nitrogen in Laboratory Samples of Coal
ASTM D5373-93(2002) Standard Test Methods for Instrumental Determination of Carbon, Hydrogen, and Nitrogen in Laboratory Samples of Coal and Coke
ASTM D5373-93(1997) Standard Test Methods for Instrumental Determination of Carbon, Hydrogen, and Nitrogen in Laboratory Samples of Coal and Coke
ASTM D5373-16 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 D5291-10 Standard Test Methods for Instrumental Determination of Carbon, Hydrogen, and Nitrogen in Petroleum Products and Lubricants
ASTM D5373-02 Standard Test Methods for Instrumental Determination of Carbon, Hydrogen, and Nitrogen in Laboratory Samples of Coal and Coke
ASTM D5373-02(2007) Test Methods for Instrumental Determination of Carbon, Hydrogen, and Nitrogen in Laboratory Samples of Coal and Coke
ASTM D5291-92 Standard Test Methods for Instrumental Determination of Carbon, Hydrogen, and Nitrogen in Petroleum Products and Lubricants
ASTM D5291-96 Standard Test Methods for Instrumental Determination of Carbon, Hydrogen, and Nitrogen in Petroleum Products and Lubricants
ASTM D5291-21 Standard Test Methods for Instrumental Determination of Carbon, Hydrogen, and Nitrogen in Petroleum Products and Lubricants
ASTM D5291-16 Standard Test Methods for Instrumental Determination of Carbon, Hydrogen, and Nitrogen in Petroleum Products and Lubricants
ASTM D5291-10(2015) Standard Test Methods for Instrumental Determination of Carbon, Hydrogen, and Nitrogen in Petroleum Products and Lubricants
ASTM D5291-09 Standard Test Methods for Instrumental Determination of Carbon, Hydrogen, and Nitrogen in Petroleum Products and Lubricants
ASTM E147-61(1996) Standard Specification for Apparatus For Microdetermination Of Nitrogen By Kjeldahl Method
ASTM E147-61(2001) Standard Specification for Apparatus For Microdetermination Of Nitrogen By Kjeldahl Method
ASTM E147-61(2006) Standard Specification for Apparatus For Microdetermination Of Nitrogen By Kjeldahl Method
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 D4954-89(2003) Standard Test Method for Determination of Nitrilotriacetates in Detergents
ASTM D4954-89(2009) Standard Test Method for Determination of Nitrilotriacetates in Detergents
ASTM E147-61(2011) Standard Specification for Apparatus for Microdetermination of Nitrogen by Kjeldahl Method
ASTM D5291-01 Standard Test Methods for Instrumental Determination of Carbon, Hydrogen, and Nitrogen in Petroleum Products and Lubricants
ASTM UOP874-88 Pore Size Distribution of Porous Substances by Nitrogen Adsoprtion Using a Quantachrome Analyzer
ASTM E2036-01 Standard Test Method for Nitrogen Trichloride in Liquid Chlorine by High Performance Liquid Chromatography (HPLC)
ASTM E2036-99 Standard Test Method for Nitrogen Trichloride in Liquid Chlorine by High Performance Liquid Chromatography (HPLC)
ASTM E2036-15 Standard Test Method for Nitrogen Trichloride in Liquid Chlorine by High Performance Liquid Chromatography (HPLC)
ASTM E2036-07 Standard Test Method for Nitrogen Trichloride in Liquid Chlorine by High Performance Liquid Chromatography (HPLC)

Professional Standard - Commodity Inspection, Sanpin azotometer

SN/T 3005-2011 Test method for instrumental determination of carbon,hydrogen,nitrogen and sulfur in organic chemicals
SN/T 0736.11-2002 Chemical analysis of fertilizers for import and export.Determination of nitrogen content by auto analyzer
SN/T 3382-2012 Determination of non-protein-nitrogen content in milk and dairy products for export
SN/T 4302-2015 Rapid detection method of tris-(aziridyl)phosphine oxide in textiles by gas chromatography-mass spectrometry
SN/T 3787-2014 Determination of TEPA and 5 phosphate flame retardants in textiles for import and export.LC-MS/MS method
SN/T 3792-2014 Determination of the azo colorants in electrical and electronic products.High performance liquid chromatography-mass spectrometry method
SN/T 1786-2006 Determination of triclosan & triclocarban in cosmetics for import and export - Liquid chromatography method
SN/T 2932-2011 Chemical Vapor Pressure Determination Method Three-stage Expansion Method
SN/T 4003-2013 Food contact materials.Polymers.Determination of 2,4,6-triamino- 1,3,5-triazine(melamine)in food simulants.Liquid chromatography- tandem mass spectrometry method
SN/T 2687-2010 Determination of tributyltin and triphenyltin in used mechanical and electronic products.Gas chromatography-mass spectrometry

Association Francaise de Normalisation, Sanpin azotometer

NF U42-117:1965 Products used in agriculture. Fertilizers. Determination of nitrogen content in class a nitrogenous fertilizers.
NF U42-118:1965 Products used in agriculture. Determination of nitrogen content in class B nitrogenous fertilizers.
NF U42-119:1965 Products used in agriculture. Determination of nitrogen content in class C nitrogenous fertilizers.
NF EN ISO 3188:1994 Amidons, fécules et produits dérivés - Dosage de l'azote selon la méthode de Kjeldahl - Méthode titrimétrique.
NF U42-149*NF EN 15604:2009 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
NF U42-100:1965 Products used in agriculture. Nitrogenous fertilizers. Quantity determination of various forms of nitrogen. General presentation.
NF ISO 1871:2009 Produits alimentaires et aliments des animaux - Lignes directrices générales pour le dosage de l'azote selon la méthode de Kjeldahl
NF X34-117:2011 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen - Instrumental methods.
NF EN ISO 8968-1:2014 Lait et produits laitiers - Détermination de la teneur en azote - Partie 1 : méthode Kjeldahl et calcul de la teneur en protéines brutes
NF V04-221-1*NF EN ISO 8968-1:2014 Milk and milk products - Determination of nitrogen content - Part 1 : Kjeldahl principle and crude protein calculation
NF EN ISO 5378:1994 Amidons, fécules et produits dérivés - Dosage de l'azote selon la méthode de Kjeldahl - Méthode spectrophotométrique.
NF X34-220:2020 Solid recovered fuels - Methods for the determination of carbon (C), hydrogen (H), nitrogen (N) and sulphur (S) by the instrumental method
NF V03-607*NF EN ISO 3188:1994 Starches and derived products. Determination of nitrogen content by the kjeldahl method. Titrimetric method.
NF EN ISO 21663:2020 Combustibles solides de récupération - Méthodes de détermination de la teneur en carbone (C), hydrogène (H), azote (N) et soufre (S) par la méthode instrumentale
NF EN 15604:2009 Engrais - Détermination des différentes formes d'azote dans un même échantillon contenant l'azote sous forme nitrique, ammoniacale, uréique et cyanamidique
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 V03-050:1970 Agricultural food products. General directions for the determination of nitrogen with mineralization by the jkeldahl method.
NF EN ISO 23753-1:2019 Qualité du sol - Détermination de l'activité des déshydrogénases dans les sols - Partie 1 : méthode au chlorure de triphényltétrazolium (CTT)
NF ISO 24040:2022 Textiles - Détermination de certains composés benzotriazole
NF V03-608*NF EN ISO 5378:1994 Starches and derived products. Determination of nitrogen content by the kjeldahl method. 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 X31-293-1:2011 Soil Quality - Determination of dehydrogenase activity in soils - Part 1 : method using triphenyltetrazolium chloride (TTC).
NF V03-014*NF EN 16155:2012 Foodstuffs - Determination of sucralose - High performance liquid chromatographic method.
FD X50-075*FD ISO/IEC GUIDE 28:2006 Conformity assessment - Guidance on a third-party certification system for products
NF G08-032*NF ISO 24040:2022 Textiles - Determination of certain benzotriazole compounds
NF X31-293-2:2011 Soil quality - Determination of dehydrogenase activity in soils - Part 2 : method using iodotetrazolium chloride (INT).
NF EN ISO 8968-4:2016 Lait et produits laitiers - Détermination de la teneur en azote - Partie 4 : détermination de la teneur en azote protéique et non protéique et calcul de la teneur en protéines vraies (Méthode de référence)
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
NF EN 16858:2017 Produits alimentaires - Détermination de la teneur en mélamine et en acide cyanurique dans les produits alimentaires par chromatographie en phase liquide couplée à la spectrométrie de masse en tandem (CL-SM/SM)
NF X43-015:1976 Air pollution. Nitrogen dioxide content of atmospheric air. Method of determination by collection on a triethanolamine-impregnated filter.
NF V04-407:2002 Meat, meat product and fishery products - Determination of nitrogen content and calculation of the protein content - Kjeldahl method.
NF V03-178*NF EN 16858:2017 Foodstuffs - Determination of melamine and cyanuric acid in foodstuffs by liquid chromatography and tandem mass spectrometry (LC-MS/MS)

Danish Standards Foundation, Sanpin azotometer

DS/EN 15604:2009 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
DS/ISO 1871:2009 Food and feed products - General guidelines for the determination of nitrogen by the Kjeldahl method
DS/EN ISO 3188:1995 Starches and derived products - Determination of nitrogen content by the Kjeldahl method - Titrimetric method
DS/EN ISO 5378:1995 Starches and derived products - Determination of nitrogen content by the Kjeldahl method - Spectrophometric method
DS/ISO 29541:2011 Solid mineral fuels - Determination of total carbon, hydrogen and nitrogen content - Instrumental method
DS/EN 15104:2011 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen - Instrumental methods
DS/ISO 21663:2020 Solid recovered fuels – Methods for the determination of carbon (C), hydrogen (H), nitrogen (N) and sulphur (S) by the instrumental method
DS/ISO 15323:2002 Dried milk protein products - Determination of nitrogen solubility index
DS/EN ISO 21663:2020 Solid recovered fuels – Methods for the determination of carbon (C), hydrogen (H), nitrogen (N) and sulphur (S) by the instrumental method (ISO 21663:2020)
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 , Sanpin azotometer

LST EN 15604-2009 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
LST EN ISO 3188:2000 Starches and derived products - Determination of nitrogen content by the Kjeldahl method - Titrimetric method (ISO 3188:1978)
LST EN 15104-2011 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen - Instrumental methods
LST EN ISO 5378:2000 Starches and derived products - Determination of nitrogen content by the Kjeldahl method - Spectrophotometric method (ISO 5378:1978)
LST ISO 15323:2005 Dried milk protein products. Determination of nitrogen solubility index (idt ISO 15323:2002)
LST EN ISO 21663:2021 Solid recovered fuels - Methods for the determination of carbon (C), hydrogen (H), nitrogen (N) and sulphur (S) by the instrumental method (ISO 21663:2020)
LST ISO 937:2000 Meat and meat products. Determination of nitrogen content (Reference method) (idt ISO 937:1978(E))
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

European Committee for Standardization (CEN), Sanpin azotometer

EN 15604:2009 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
EN 15104:2011 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen - Instrumental methods
EN 13717:2002 Surface active agents - Determination of primary, secondary and tertiary amino nitrogen - Potentiometric titration
EN ISO 3188:1994 Starches and Derived Products - Determination of Nitrogen Content by the Kjeldahl Method - Titrimetric Method
EN 14891:2012 Liquid-applied water impermeable products for use beneath ceramic tiling bonded with adhesives - Requirements, test methods, evaluation of conformity, classification and designation (Incorporating Corrigendum November 2012)
EN ISO 21663:2020 Solid recovered fuels - Methods for the determination of carbon (C), hydrogen (H), nitrogen (N) and sulphur (S) by the instrumental method (ISO 21663:2020)
EN 16155:2012 Foodstuffs - Determination of sucralose - High performance liquid chromatographic method
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
EN 16858:2017 Foodstuffs - Determination of melamine and cyanuric acid in foodstuffs by liquid chromatography and tandem mass spectrometry (LC-MS/MS)

AENOR, Sanpin azotometer

UNE-EN 15604:2009 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
UNE-EN ISO 3188:1995 STARCHES AND DERIVED PRODUCTS. DETERMINATION OF NITROGEN CONTENT BY THE KJELDAHL METHOD. TITRIMETRIC METHOD. (ISO 3188:1978).
UNE 84047:1995 COSMETIC RAW MATERIALS. DETERMINATION OF NITROGEN. KJEDHAL'S METHOD (SEMI-MICRO).
UNE-EN ISO 8968-1:2014 Milk and milk products - Determination of nitrogen content - Part 1: Kjeldahl principle and crude protein calculation (ISO 8968-1:2014)
UNE 84127:2002 Cosmetic raw materials.Trichlorocarbanilide. Determination of free chloroanilines in trichlorocarbanilide.
UNE 84112:1995 COSMETIC RAW MATERIALS. ASSAY OF 2,4,4'-TRICHLORO-2'-HYDROXY-DIPHENYL-ETHER (TRICLOSAN). POTENTIOMETRIC TITRATION.
UNE-EN 16858:2017 Foodstuffs - Determination of melamine and cyanuric acid in foodstuffs by liquid chromatography and tandem mass spectrometry (LC-MS/MS)

International Organization for Standardization (ISO), Sanpin azotometer

ISO 1871:2009 Food and feed products - General guidelines for the determination of nitrogen by the Kjeldahl method
ISO/TS 17837:2008 | IDF/RM 25: 2008 Processed cheese products — Determination of nitrogen content and crude protein calculation — Kjeldahl method
ISO 29541:2010 Solid mineral fuels - Determination of total carbon, hydrogen and nitrogen content - Instrumental method
ISO 15604:2016 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
ISO/TS 12902:2001 Solid mineral fuels - Determination of total carbon, hydrogen and nitrogen - Instrumental methods
ISO/CD 29541:1976 Solid mineral fuels — Determination of total carbon, hydrogen and nitrogen content — Instrumental method
ISO 15672:2000 Rubber and rubber additives - Determination of total nitrogen content using an automatic analyser
ISO 8968-1:2014 | IDF 20-1:2014 Milk and milk products — Determination of nitrogen content — Part 1: Kjeldahl principle and crude protein calculation
ISO 15323:2002 Dried milk protein products - Determination of nitrogen solubility index
ISO 937:1978 Meat and meat products; Determination of nitrogen content (Reference method)
ISO 15323:2002 | IDF 173:2002 Dried milk protein products — Determination of nitrogen solubility index
ISO 15323:2002|IDF173:2002 Determination of nitrogen solubility rate of milk powder protein products
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 937:2023 Meat and meat products — Determination of nitrogen content — Reference method
ISO 3188:1978 Starches and derived products; Determination of nitrogen content by the Kjeldahl method; Titrimetric method
ISO 4791-1:1985 Laboratory apparatus; Vocabulary relating to apparatus made essentially from glass, porcelain or vitreous silica; Part 1 : Names for items of apparatus Trilingual edition
ISO 1871:1975 Agricultural food products; General directions for the determination of nitrogen by the Kjeldahl method
ISO 21663:2020 Solid recovered fuels - Methods for the determination of carbon (C), hydrogen (H), nitrogen (N) and sulphur (S) by the instrumental method
ISO 8968-4:2016 | IDF 20-4:2016 Milk and milk products — Determination of nitrogen content — Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method)
ISO 5378:1978 Starches and derived products; Determination of nitrogen content by the Kjeldahl method; Spectrophotometric 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 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/DIS 21068-3 Chemical analysis of raw materials and refractory products containing silicon-carbide, silicon-nitride, silicon-oxynitride and sialon — Part 3: Determination of nitrogen, oxygen and metallic and oxidic constituents
ISO 5088:1976 Textiles; Ternary fibre mixtures; Quantitative analysis
ISO 24040:2022 Textiles — Determination of certain benzotriazole compounds
ISO/TS 15495:2010 | IDF/RM 230:2010 Milk, milk products and infant formulae — Guidelines for the quantitative determination of melamine and cyanuric acid by LC-MS/MS
ISO 23753-1:2019/Amd 1:2020 Soil quality — Determination of dehydrogenases activity in soils — Part 1: Method using triphenyltetrazolium chloride (TTC) — Amendment 1

PL-PKN, Sanpin azotometer

PN G04561-1992 Solid fuels. Determination of nitrogen with the use of the Perkin-Elmer analyser
PN-EN ISO 21663-2021-06 E Solid recovered fuels -- Methods for the determination of carbon (C), hydrogen (H), nitrogen (N) and sulphur (S) by the instrumental method (ISO 21663:2020)
PN A86026-1990 Milk and dairy products Milk powdcr Determination of nitritc and nitrate contents

Military Standard of the People's Republic of China-General Armament Department, Sanpin azotometer

GJB 337-1987 Determination method of nitrogen content of nitrocellulose (interferometer method)

PT-IPQ, Sanpin azotometer

Korean Agency for Technology and Standards (KATS), Sanpin azotometer

KS H ISO 3188-2008(2018) Starches and derived products－Determination of nitrogen content by the Kjeldahl method－Titrimetric method
KS M 2418-2006(2016) Standard test method for instrumental determination of carbon, hydrogen, and nitrogen in petroleum products and lubricants
KS H ISO 1871-2013(2018) Agricultural food products ― General directions for the determination of nitrogen by the Kjeldahl method
KS M 2418-2006(2021) Standard test method for instrumental determination of carbon, hydrogen, and nitrogen in petroleum products and lubricants
KS H ISO 5378-2008(2018) Starches and derived products－Determination of nitrogen content by the Kjeldahl method－Spectrophotometric method
KS M 2418-2006 Standard test method for instrumental determination of carbon, hydrogen, and nitrogen in petroleum products and lubricants
KS M 2112-2011(2016) Crude petroleum and petroleum products —Determination of nitrogen content
KS M 2112-2011(2021) Crude petroleum and petroleum products —Determination of nitrogen content
KS M 2112-1986 Crude petroleum and petroleum products —Determination of nitrogen content
KS M ISO 15672:2007 Rubber and rubber additives－Determination of total nitrogen content using an automatic analyser
KS M ISO 15672-2007(2017) Rubber and rubber additives－Determination of total nitrogen content using an automatic analyser
KS M ISO 15672-2007(2022) Rubber and rubber additives－Determination of total nitrogen content using an automatic analyser
KS M 2112-2011 Crude petroleum and petroleum products-Determination of nitrogen content
KS H ISO 3188:2008 Starches and derived products－Determination of nitrogen content by the Kjeldahl method－Titrimetric method
KS H ISO 1871:2013 Agricultural food products ― General directions for the determination of nitrogen by the Kjeldahl method
KS H ISO 1871:2008 Agricultural food products-General directions for the determination of nitrogen by the Kjeldahl method
KS I ISO 23753-1-2006(2016) Soil quality－Determination of dehydrogenase activity in soils－ Part 1：Method using triphenyltetrazolium chloride(TTC)
KS I ISO 23753-1:2021 Soil quality — Determination of dehydrogenases activity in soils —Part 1: Method using triphenyltetrazolium chloride(TTC)
KS K 6323-2017 Textiles－Test method for assessing the smoothness appearance of seams in fabrics using three-dimensional measuring apparatus
KS H ISO 5378:2008 Starches and derived products－Determination of nitrogen content by the Kjeldahl method－Spectrophotometric method
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 A ISO/IEC GUIDE 28-2006(2016) Conformity assessment－Guidance on a third-party certification system for products
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

Professional Standard - Chemical Industry, Sanpin azotometer

HG/T 3519-2012 Industrial circulating cooling water.Determination of benzotriazole
HG/T 3519-2023 Determination of benzotriazole in industrial circulating cooling water
HG/T 3519-2003 Industrial circulating cooling water-Determination of Benzotriazole
HG 5-1519-1985 Determination method of benzotriazole in industrial circulating cooling water

未注明发布机构, Sanpin azotometer

BS EN ISO 3188:1994(1999) Starches and derived products — Determination of nitrogen content by the Kjeldahl method — Titrimetric method
BS EN ISO 5378:1994(1999) Starches and derived products — Determination of nitrogen content by the Kjeldahl method — Spectrometric method
BS EN ISO 8968-4:2016(2017) Milk and milk products — Determination of nitrogen content Part 4 : Determination of protein and non - protein nitrogen content and true protein content calculation (Reference method)
BS IEC 61428:1998(1999) Nuclear instrumentation — Sample containers for gamma - ray spectrometry with Ge - detectors

German Institute for Standardization, Sanpin azotometer

DIN EN 15604:2009-06 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen; German version EN 15604:2009 / Note: To be replaced by DIN EN ISO 15604 (2019-06).
DIN CEN/TS 15604:2008 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen; German version CEN/TS 15604:2007
DIN EN ISO 3188:1994-10 Starches and derived products - Determination of nitrogen content by the Kjeldahl method - Titrimetric method (ISO 3188:1978); German version EN ISO 3188:1994
DIN 12894:1997 Metal laboratory ware - Clamps
DIN EN 15604:2009 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen; English version of DIN EN 15604:2009-06
DIN EN 13717:2003 Surface active agents - Determination of primary, secondary and tertiary amino nitrogen - Potentiometric titration; German version EN 13717:2002
DIN EN ISO 5378:1994-10 Starches and derived products - Determination of nitrogen content by the Kjeldahl method - Spectrophotometric method (ISO 5378:1978); German version EN ISO 5378:1994
DIN EN ISO 8968-1:2014-06 Milk and milk products - Determination of nitrogen content - Part 1: Kjeldahl principle and crude protein calculation (ISO 8968-1:2014); German version EN ISO 8968-1:2014
DIN 12702:1978 Laboratory glassware; volumetric glassware for gas analysis, gas burettes, azotometers, eudiometers, nitrometers
DIN 51732:2014 Testing of solid mineral fuels - Determination of total carbon, hydrogen and nitrogen - Instrumental methods
DIN 51732:2007 Testing of solid mineral fuels - Determination of total carbon, hydrogen and nitrogen - Instrumental methods
DIN 51732:2014-07 Testing of solid mineral fuels - Determination of total carbon, hydrogen and nitrogen - Instrumental methods
DIN EN ISO 21663:2021-03 Solid recovered fuels - Methods for the determination of carbon (C), hydrogen (H), nitrogen (N) and sulphur (S) by the instrumental method (ISO 21663:2020); German version EN ISO 21663:2020
DIN 38413-8:2000-09 German standard methods for the examination of water, waste water and sludge - Single components (group P) - Part 8: Determination of nitrilotriacetic acid (NTA), ethylenedinitrilotetraacetic acid (EDTA) and diethylenetrinitrilopentaacetic acid (DTPA) ...
DIN EN ISO 14891:2002 Milk and milk products - Determination of nitrogen content - Routine method using combustion according to the Dumas principle (ISO 14891:2002); German version EN ISO 14891:2002
DIN EN 15104:2011 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen - Instrumental methods; German version EN 15104:2011
DIN EN 14362-3:2012 Textiles - Methods for the determination of certain aromatic amines derived from azo colorants - Part 3: Detection of the use of certain azo colorants, which may release 4-aminoazobenzene; German version EN 14362-3:2012
DIN 51444:2020-10 Testing of petroleum products - Determination of nitrogen - Oxidative combustion method with chemiluminescence detector
DIN EN ISO 8968-1:2014 Milk and milk products - Determination of nitrogen content - Part 1: Kjeldahl principle and crude protein calculation (ISO 8968-1:2014); German version EN ISO 8968-1:2014
DIN EN ISO 8968-4:2016-09 Milk and milk products - Determination of nitrogen content - Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method) (ISO 8968-4:2016); German version EN ISO 8968-4:2016
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 14362-1:2003 Textiles - Methods for determination of certain aromatic amines derived from azo colorants - Part 1: Detection of the use of certain azo colorants accessible without extraction; German version EN 14362-1:2003
DIN EN 16858:2017 Foodstuffs - Determination of melamine and cyanuric acid in foodstuffs by liquid chromatography and tandem mass spectrometry (LC-MS/MS)
DIN EN 16858:2017-08 Foodstuffs - Determination of melamine and cyanuric acid in foodstuffs by liquid chromatography and tandem mass spectrometry (LC-MS/MS); German version EN 16858:2017

Professional Standard - Military and Civilian Products, Sanpin azotometer

WJ 2261-1994 Verification rules for thermal conductivity and infrared absorption nitrogen and oxygen detectors
WJ/Z 342-1994 Product Time Rating Photoelectric Instrument

British Standards Institution (BSI), Sanpin azotometer

BS DD CEN/TS 15604:2007 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
DD CEN/TS 15604:2007 Fertilizers — Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
BS EN 15604:2009 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
14/30313910 DC BS ISO 15604. Fertilizers. Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
DD ISO/TS 17837:2008 Milk and milk products. Determination of nitrogen content and crude protein calculation. Kjeldahl method
BS ISO 29541:2010 Solid mineral fuels. Determination of total carbon, hydrogen and nitrogen content. Instrumental method
BS EN 15104:2011 Solid biofuels. Determination of total content of carbon, hydrogen and nitrogen. Instrumental methods
BS DD CEN/TS 15104:2006 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen - Instrumental methods
BS DD CEN/TS 15104:2005 Solid biofuels — Determination of total content of carbon, hydrogen and nitrogen — Instrumental methods
DD ISO/TS 12902:2002 Solid mineral fuels. Determination of total carbon, hydrogen and nitrogen. Instrumental methods
BS ISO 15323:2002 Dried milk protein products. Determination of nitrogen solubility index
BS ISO 1871:2009 Food and feed products - General guidelines for determination of nitrogen by Kjeldahl method
BS ISO 20921:2019 Textiles. Determination of stable nitrogen isotope ratio in cotton fibres
BS ISO 15672:2000 Rubber and rubber additives - Determination of total nitrogen content using an automatic analyser
BS ISO 937:2023 Meat and meat products. Determination of nitrogen content. Reference method
BS EN ISO 21663:2020 Solid recovered fuels. Methods for the determination of carbon (C), hydrogen (H), nitrogen (N) and sulphur (S) by the instrumental method
22/30444436 DC BS ISO 937. Meat and meat products. Determination of nitrogen content. Reference method
BS 4401-2:1980 Methods of test for 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
20/30366878 DC BS EN ISO 21663. Solid recovered fuels. Methods for the determination of carbon (C), hydrogen (H), nitrogen (N) and sulphur (S) by the instrumental method
BS EN ISO 23753-1:2011 Soil quality. Determination of dehydrogenase activity in soil. Method using triphenyltetrazolium chloride (TTC)
BS EN ISO 8968-4:2016 Milk and milk products. Determination of nitrogen content. Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method)
BS DD CEN/TS 13130-27:2005 Materials and articles in contact with foodstuffs - Plastics substances subject to limitation - Determination of 2,4,6-triamino-1, 3,5-triazine in food simulants
BS ISO 24040:2022 Textiles. Determination of certain benzotriazole compounds
BS 4427-15:1982 Methods of test for sodium tripolyphosphate (pentasodium triphosphate) and sodium pyrophosphate (tetrasodium pyrophosphate) for industrial use - Condensed phosphates for industrial use (including foodstuffs) - determination of oxides of nitrogen content -
BS EN ISO 8968-1:2014 Milk and milk products. Determination of nitrogen content. Kjeldahl principle and crude protein calculation
BS EN 12766-3:2004 Petroleum products and used oils. Determination of PCBs and related products. Determination and quantification of polychlorinated terphenyls (PCT) and polychlorinated benzyl toluenes (PCBT) content by gas chromatography (GC) using an electron capture d...
BS EN 16858:2017 Foodstuffs. Determination of melamine and cyanuric acid in foodstuffs by liquid chromatography and tandem mass spectrometry (LC-MS/MS)
DD ISO/TS 15495:2010 Milk, milk products and infant formulae. Guidelines for the quantitative determination of melamine and cyanuric acid by LC-MS/MS

VN-TCVN, Sanpin azotometer

TCVN 5265-1990 Bee products.Determination of total nitrogen content
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 7252-2003 Tobacco and tobacco products.Determination of total nitrogen content
TCVN 3705-1990 Aquatic products.Method for the determination of total nitrogen and protein content
TCVN 7253-2003 Tobacco and tobacco products.Determination of nitrogen protein content
TCVN 7776-2008 Conformity assessment.Guidance on a third-party certification system for products

RO-ASRO, Sanpin azotometer

STAS 6513-1978 FISH AND FISH PRODUCTS Nitrogen determination
STAS 8613/6-1980 CONCENTRATED FOODSTUFF Determination of nitrogen content
STAS SR 4895-5-1997 Tobacco and tobacco products. Determination of total nitrogen content
STAS SR ISO 3188:1995 Starches and derived products - Determination of nitrogen content by the Kjeldahl method-Titrimetric method
STAS 9065/7-1974 MEAT AND MEAT PRODUCTS Determination of easyly hydrolisable nitrogen content
STAS 10204-1975 ORGANIC DYESTUFF DYIED TEXTILES Determination of colour fastness to nitrogen oxides
STAS 9163/5-1973 SILICA-ALUMINA MIXING PRODUCTS Determination of iron trioxide
STAS 9163/6-1989 SILICO-ALUMINOUS MINING PRODUCTS Determination or aluminium oxide
STAS SR 9763-13-1996 Spices and condiments. Determination of nitrogen content by the Kjeldahl method. Spectrophotometric method
STAS 1027/3-1977 Magnesitical refractory products DETERMINATION OF IRON AND ALUMINIUM TRIOXIDE
STAS 9272/4-1981 ZIRCONIC REFRACTORY PRODUCTS Aluminium trioxide content determination
STAS 9272/5-1981 Z1RC0NIC REFRACTORY PRODUCTS Iron trioxide content determi ration
STAS 5424/3-1980 FORSTERITIC REFRACTORY PRODUCTS Determination of iron trioxide and alumtaium trioxide content
STAS 7571-1966

国家市场监督管理总局、中国国家标准化管理委员会, Sanpin azotometer

GB/T 40723-2021 Rubber—Determination the contents of total sulfur and total nitrogen — Automatic analyser method
GB/T 24101-2018 Limit and determination of 4-aminoazobenzene in dye products
GB/T 36940-2018 Textiles―Determination of certain benzotriazole compounds
GB/T 40639-2021 Determination of banned trichloroacetic acid in cosmetics
GB/T 40904-2021 Methods for the determination of prohibited substances in furniture products and related materials—Azo dyes
GB/T 37560-2019 Flame retardant chemicals—Determination of melamine and cyanuric acid in melamine cyanurate

NL-NEN, Sanpin azotometer

NEN 3442-1968 Meat and meat products. Determination of nitrogen content

CEN - European Committee for Standardization, Sanpin azotometer

PD CEN/TS 15604:2007 Fertilizers - Determination of different forms of nitrogen in the same sample@ containing nitrogen as nitric@ ammoniacal@ urea and cyanamide nitrogen
PD CEN/TS 15104:2005 Solid biofuels - Determination of total content of carbon@ hydrogen and nitrogen - Instrumental methods
EN ISO 8968-4:2001 Milk - Determination of Nitrogen Content - Part 4: Determination of Non-Protein Nitrogen Content

Japanese Industrial Standards Committee (JISC), Sanpin azotometer

JIS B 7440:1987 Test code for accuracy of coordinate measuring machines
JIS K 2609:1998 Crude petroleum and petroleum products -- Determination of nitrogen content
JIS K 2609:1990 Crude petroleum and petroleum products -- Determination of nitrogen content
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

AR-IRAM, Sanpin azotometer

IRAM 14 006-1958

Taiwan Provincial Standard of the People's Republic of China, Sanpin azotometer

CNS 6511-1980 Method of Test for Meat and Meat Products: Determination of Nitrogen Content

KR-KS, Sanpin azotometer

KS K 6323-2017(2022) Textiles－Test method for assessing the smoothness appearance of seams in fabrics using three-dimensional measuring apparatus
KS K ISO 20921-2023 Textiles — Determination of stable nitrogen isotope ratio in cotton fibres
KS I ISO 23753-1-2021 Soil quality — Determination of dehydrogenases activity in soils —Part 1: Method using triphenyltetrazolium chloride(TTC)
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

ZA-SANS, Sanpin azotometer

SANS 12902:2007 Solid mineral fuels - Determination of total carbon, hydrogen and nitrogen - Instrumental methods

CU-NC, Sanpin azotometer

NC 24-63-1986 Inorganic Chemical Products. Nitrogen. Purity Determination by Orsat Anaiyzer Method
NC 24-64-1986 Inorganic Chemical Products Nitrogen, Determination of Oil Content
NC 24-65-1986 Inorganic Chemical Products Nitrogen. Determination of Water Vapor Content. Aerial Water Point Method

HU-MSZT, Sanpin azotometer

Guangdong Provincial Standard of the People's Republic of China, Sanpin azotometer

DB44/T 317-2006 Determination of the total volatile basic nitrogen in seafood

Professional Standard - Aquaculture, Sanpin azotometer

SC/T 3032-2007 Determination of the total volatile basic nitrogen in fishery products

Tianjin Provincial Standard of the People's Republic of China, Sanpin azotometer

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

International Dairy Federation (IDF), Sanpin azotometer

IDF 20-1-2014 Milk and milk products - Determination of nitrogen content - Part 1: Kjeldahl principle and crude protein calculation
IDF 173-2002 Dried milk protein products - Determinatio of nitrogen solubility index
IDF/RM 25-2008 Milk and milk products - Determination of nitrogen content and crude protein calculation - Kjeldahl method

Standard Association of Australia （SAA）, Sanpin azotometer

AS ISO 8968.1:2021 Milk and milk products — Determination of nitrogen content, Part 1: Kjeldahl principle and crude protein calculation
AS 3580.5.1:2011
AS 3580.5.1:2023 Methods for sampling and analysis of ambient air, Method 5.1: Determination of oxides of nitrogen — Direct-reading instrumental method
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
AS ISO 8968.4:2021 Milk and milk products — Determination of nitrogen content, Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method)

Anhui Provincial Standard of the People's Republic of China, Sanpin azotometer

DB34/T 4308-2022 "Three Firsts" Product Evaluation Guide
DB34/T 1768-2012 Determination of migration of melamine monomer in melamine molded products for food packaging by high performance liquid chromatography

Jiangsu Provincial Standard of the People's Republic of China, Sanpin azotometer

DB32/T 3595-2019 Elemental analyzer method for the determination of carbon, hydrogen, nitrogen, sulfur and oxygen content in graphene materials

IN-BIS, Sanpin azotometer

Malaysia Standards, Sanpin azotometer

MS 281 Pt.14-2001 Natrual rubber latex concentrate:Part 14:Determination of nitrogen content(Third revision)

Professional Standard - Aviation, Sanpin azotometer

HB 5219.19-1998 Determination of Cerium Content by Spectrophotometric Method of Tribromoarsine in Magnesium Alloy
HB 5218.14-1995 Aluminum Alloy Chemical Analysis Method Tribromoarsine Spectrophotometric Determination of Total Rare Earth in Cerium Group
HB/Z 5218.14-2004 Methods for chemical analysis of aluminium alloys-Part 14:Determination of the cerium subgroup of rare earth elements content by tribromoarsenazo spectrophtometric method

National Health Commission of the People's Republic of China, Sanpin azotometer

GB 5009.283-2021 Determination of Azodicarbonamide in Food Safety National Standards
GB 5009.235-2016 Determination of Amino Acid Nitrogen in Food Safety National Standard Food
GB 5009.228-2016 Determination of Volatile Base Nitrogen in Food Safety National Standards
GB 5009.179-2016 Determination of Trimethylamine in Food Safety National Standard Food

BE-NBN, Sanpin azotometer

NBN-EN ISO 5378:1994 Starches and derived products - Determination of nitrogen content by the Kjeldahl method - Spectrophotometric method (ISO 5378:1978)
NBN-EN ISO 3188:1994 Starches and derived products - Determination of nitrogen content by the Kjeldahl method - Titrimetric method (ISO 3188:1978)
NBN T 03-081-1979 Ammonium hydrogen carbonate for industrial use (including food-stuffs) - Determination of ammoniacal nitrogen content - Titrimetric method after distillation
NBN C 73-335-32-1985
NBN C 73-180 ADD 1-1979

Professional Standard - Nuclear Industry, Sanpin azotometer

EJ 267.4-1984 Determination of uranium in low-grade uranium ore Tri-n-octylphosphine oxide (or trialkylphosphine oxide) extraction 2-(5-bromo-2-pyridylazo)-5-ethylaminophenol spectrophotometric method
EJ/T 20167-2018 Determination of nitrogen content in reprocessed uranium trioxide powder by distillation-Nessler reagent spectrophotometry

ES-UNE, Sanpin azotometer

UNE-EN ISO 21663:2021 Solid recovered fuels - Methods for the determination of carbon (C), hydrogen (H), nitrogen (N) and sulphur (S) by the instrumental method (ISO 21663:2020)
UNE-EN ISO 8968-4:2016 Milk and milk products - Determination of nitrogen content - Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method) (ISO 8968-4:2016)

Professional Standard - Electron, Sanpin azotometer

SJ 20230-1993 Verification regulation of model BJ2951A(JS-5A) transistor Hfe tester

Professional Standard - Machinery, Sanpin azotometer

JB/T 5996-1992 Roundness measurement Assessment of accuracy of three-point measuring method and the measurement instrument used
JB/T 7378-2010 Metallographic method of measurment on the carbunitrided harden case depth of sintering iron-based material

Professional Standard - Tobacco, Sanpin azotometer

YC/T 33-1996 Tobacco and tobacco products-Determination of total nitrogen-Kjeldahl method
YC/T 161-2002 Tobacco and tobacco products----Determination of total nitrogen----Continuous flow method

Professional Standard - Railway, Sanpin azotometer

TB/T 2059.4-2006 Methods for analysis of diesel locomotive collants Part 4: Determination of benzotriazole
TB/T 2059.5-1989 Analytical method for cooling water additives of railway diesel locomotive Determination of benzotriazole
TB/T 2544.3-1995 Quick Analysis Method for Corrosion Inhibitor in Cooling Water of Railway Diesel Locomotive Determination of Benzotriazole by UV Spectrophotometry

IT-UNI, Sanpin azotometer

UNI EN ISO 21663:2021 Solid recovered fuels - Methods for the determination of carbon (C), hydrogen (H), nitrogen (N) and sulphur (S) by the instrumental method
UNI 2739-1945

检验方法与规程专业（理化）, Sanpin azotometer

GB 31604.15-2016 National food safety standard Determination of migration of 2,4,6-triamino-1,3,5-triazine (melamine) in food contact materials and products
GB 31604.37-2016 National Food Safety Standards Determination of Triethylamine and Tri-n-Butylamine in Food Contact Materials and Products

YU-JUS, Sanpin azotometer

JUS H.B8.150-1985 Heavychemicals. Carbamide (urea) for industrial use. Determination ofnitrogen content, Volumetric method

工业和信息化部, Sanpin azotometer

YS/T 1179.3-2017 Methods for chemical analysis of aluminum slag Part 3: Determination of carbon and nitrogen content Elemental analyzer method
YB/T 5157-2016 Determination of iron in high-purity graphite products by phenanthroline spectrophotometry

Professional Standard - Non-ferrous Metal, Sanpin azotometer

YS/T 575.5-2006 Bauxite ore chemical analysis method o-phenanthrene spectrophotometric determination of ferric oxide content
YS/T 575.14-2006 Chemical analysis method of bauxite ore-tribromoarsine spectrophotometric determination of total rare earth oxides
YS/T 534.4-2006 Aluminum Hydroxide Chemical Analytical Method for the Determination of Ferric Oxide by O-Phenanthrophenanthrene Spectrophotometry
YS/T 239.6-2010 Methods for chemical analysis of antimony trisulfide- Part 6:Determination of iron content-Neighbouring phenanthroline spectrophotometric method
YS/T 509.6-2006 Method for chemical analysis of spodumene and lepidolite concentrate - Determination of ferric oxide by o-diazephenanthrene photometry
YS/T 534.4-2007 Chemical analysis methods of aluminium hydroxide.Part 4:Determination of iron oxide content.Orthophenanthroline photometric method
YS/T 575.5-2007 Methods for chemical analysis of bauxite.Part5:Determination of oxide content.Orthophenanthroline photometric method
YS/T 575.14-2007 Methods for chemical analysis of bauxite.Part 14:Determination the total content of rare earth oxide.Tribromo-arsenazo photometric method

冶金工业部, Sanpin azotometer

YB 4013-1991 Chemical analysis method of high-quality magnesia, determination of iron oxide content by photometric method of phenanthroline

Professional Standard - Light Industry, Sanpin azotometer

QB/T 1275-1991 Determination of chromium trioxide in finished fur products

Association of German Mechanical Engineers, Sanpin azotometer

VDI 2453 Blatt 2-2002 Gaseous air pollution measurement - Measurement of concentration of nitrogen monoxide and nitrogen dioxide - Calibration of NO/NOx chemiluminescence analysers using gas phase titration

AT-ON, Sanpin azotometer

OENORM EN ISO 21663:2021 Solid recovered fuels - Methods for the determination of carbon (C), hydrogen (H), nitrogen (N) and sulphur (S) by the instrumental method (ISO 21663:2020)

CH-SNV, Sanpin azotometer

SN EN ISO 21663:2021 Solid recovered fuels - Methods for the determination of carbon (C), hydrogen (H), nitrogen (N) and sulphur (S) by the instrumental method (ISO 21663:2020)
VSM 18718.2-1965

Professional Standard - Geology, Sanpin azotometer

DZ/T 0135-1994 Regulations on Compilation of Geological Instrument Product Standards
DZ 0038-1992 Regulations on Process Documentation of Geological Instrument Products

Zhejiang Provincial Standard of the People's Republic of China, Sanpin azotometer

DB33/T 564-2005 Determination of triazophos residues in aquatic products

Professional Standard - Ocean, Sanpin azotometer

HY/Z 001-1988 Product standardization checking rules for oceangraphic instruments

Heilongjiang Provincial Standard of the People's Republic of China, Sanpin azotometer

DB23/T 1530-2013 Spectrum calibrator for food safety rapid testing equipment

National Metrological Technical Specifications of the People's Republic of China, Sanpin azotometer

JJF(纺织) 067-2016 Calibration Specification of Tester for Formaldehyde Content of Textiles
JJF(纺织)067-2016 Calibration Specification of Tester for Formaldehyde Content of Textiles
JJF 1869-2020 Calibration Specification for Pour Point and Cloud Point Testers of Petroleum Products

Jilin Provincial Standard of the People's Republic of China, Sanpin azotometer

DB22/T 1979-2013 Determination of Mercury in Cosmetics Automatic Mercury Meter Method

TH-TISI, Sanpin azotometer

TIS 5028-2006 Conformity assessment.guidance on a third.party certification system for products

海关总署, Sanpin azotometer

SN/T 5424-2022 Determination of Azodicarbonamide in Imported and Exported Textiles by High Performance Liquid Chromatography

Indonesia Standards, Sanpin azotometer

SNI 7334.1-2009