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Azotometer part

Azotometer part, Total:497 items.

In the international standard classification, Azotometer part involves: Farming and forestry, Analytical chemistry, Soil quality. Pedology, Metrology and measurement in general, Fertilizers, Coals, Non-ferrous metals, Milk and milk products, Rubber, Animal feeding stuffs, Water quality, ENVIRONMENT. HEALTH PROTECTION. SAFETY, Raw materials for rubber and plastics, Fuels, Air quality, General methods of tests and analysis for food products, Ferroalloys, Inorganic chemicals, Sugar. Sugar products. Starch, Ferrous metals, Leather technology, Chipless working equipment, Vocabularies, Petroleum products in general, Lubricants, industrial oils and related products, Products of the chemical industry, Refractories, Aircraft and space vehicles in general, Testing of metals, Products of non-ferrous metals, Electricity. Magnetism. Electrical and magnetic measurements, Electrical and electronic testing, Heat treatment, Products of the textile industry, Powder metallurgy, Spices and condiments. Food additives, Optics and optical measurements, Measurement of volume, mass, density, viscosity, Power stations in general, Linear and angular measurements, Textile fibres, Construction industry, Tobacco, tobacco products and related equipment, Space systems and operations, Non-destructive testing.

Professional Standard - Agriculture, Azotometer part

NY/T 1121.24-2012 Soil testing.Part 24:Determination of total nitrogen in soil.Automatic kjeldahl apparatus method
NY/T 2419-2013 Determination of total nitrogen in plant.Automatic kjeldahl apparatus method
SL/T 788.1-2019 Part 1: Determination of total nitrogen in water quality
660药典二部-2020 Part 1 Six Draws of Mirtazapine
2287药典二部-2015 Part I Twelve Olanzapine
2237药典二部-2015 Part I Twelve Drawings of Clozapine
1792药典二部-2015 Part 1 Ten Drawings of Nitrous Oxide
1796药典二部-2020 Part 1 Ten Drawings of Nitrogen Mustard Hydrochloride
1875药典二部-2020 Part 1 Ten Drawings of Nitrous Oxide
661药典二部-2020 The first part of six paintings of mirtazapine tablets
149药典二部-2020 The first part four draws balsalazide sodium
2334药典二部-2020 Part I Twelve Drawings of Clozapine
2384药典二部-2020 Part I Twelve Olanzapine
144药典二部-2015 The first part four draws balsalazide sodium
1715药典二部-2015 Part 1 Ten Drawings of Nitrogen Mustard Hydrochloride
1852药典二部-2010 Part I Twelve Drawings of Clozapine
1393药典二部-2010 Part 1 Ten Drawings of Nitrogen Mustard Hydrochloride
1458药典二部-2010 Part 1 Ten Drawings of Nitrous Oxide
928药典二部-2015 Chlorambucil Part I
2238药典二部-2015 The first part twelve draw clozapine tablets
2288药典二部-2015 Part I Twelve Olanzapine Tablets
2239药典二部-2015 The first part of the twelve paintings of chlorine nitrogen
1220药典二部-2020 Part I Nine Draws of Sulfasalazine
984药典二部-2020 Chlorambucil Part I
2385药典二部-2020 Part I Twelve Olanzapine Tablets
2336药典二部-2020 The first part of the twelve paintings of chlorine nitrogen
2335药典二部-2020 The first part twelve draw clozapine tablets
1153药典二部-2015 Part I Nine Draws of Sulfasalazine
1853药典二部-2010 The first part twelve draw clozapine tablets
1854药典二部-2010 The first part 12 paintings of chlorine nitrogen (艹+zhuo)
946药典二部-2010 Part I Nine Draws of Sulfasalazine
758药典二部-2010 Chlorambucil Part I
2240药典二部-2015 The first part of the twelve paintings of chlorine nitrogen (Lvzhuo) tablets
1717药典二部-2015 Part 1 Ten Drawings of Azelastine Hydrochloride
1222药典二部-2020 Part I nine-draw sulfasalazine suppository
1798药典二部-2020 Part 1 Ten Drawings of Azelastine Hydrochloride
2337药典二部-2020 The first part of the twelve paintings of chlorine nitrogen (Lvzhuo) tablets
1155药典二部-2015 Part I nine-draw sulfasalazine suppository
1855药典二部-2010 Part I Twelve Chlorine (Lv+Zhuo) Tablets
948药典二部-2010 Part I nine-draw sulfasalazine suppository
14兽药典一部-2015 The first part of the text variety
1718药典二部-2015 Part 1 Ten Drawings of Azelastine Hydrochloride Tablets
1797药典二部-2020 Part 1 Ten Drawings Nitrogen Mustard Hydrochloride Injection
1799药典二部-2020 Part 1 Ten Drawings of Azelastine Hydrochloride Tablets
1716药典二部-2015 Part 1 Ten Drawings Nitrogen Mustard Hydrochloride Injection
2157药典二部-2010 The second part of seventeen paintings
1394药典二部-2010 Part 1 Ten Drawings Nitrogen Mustard Hydrochloride Injection

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, Azotometer part

GB/T 35582-2017 Sulfur and nitrogen elemental analyzers
GB/T 33862-2017 Automatic（semi）Kjeldahl analyzer
GB/T 35109-2017 Static test method of nitrogen and oxygen separation for molecular sieves
GB/T 34500.5-2017 Chemical analysis methods for rare earth residue and waste water—Part 5：Determination of ammonia nitrogen content
GB/T 15076.13-2017 Methods for chemical analysis of tantalum and niobium—Part 13: Determination of nitrogen content—Inert gas fusion thermal conductivity method

Group Standards of the People's Republic of China, Azotometer part

T/CIMA 0041-2021 Ammonia Nitrogen Rapid Tester
T/CMA 031-2021 Calibration method for basic nitrogen meters
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/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/NAIA 0135-2022 Determination of carbon, hydrogen and nitrogen in coal-based Fischer-Tropsch synthetic liquid fuel oil and chemicals Elemental analyzer method
T/SDFA 002.4-2023
T/CEC 426.1-2020 General technical requirements for electric oil testing instruments Part 1: Trace moisture analyzer
T/QAS 082.4-2023 Rock Salt and Glauber's Salt Chemical Analysis Part 4: Determination of Iron Phthalene Spectrophotometric Method

Ningxia Provincial Standard of the People's Republic of China, Azotometer part

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

PL-PKN, Azotometer part

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)

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, Azotometer part

GB/T 22923-2008 Determination of nitrogen,phosphorus and potassium for fertilizers by auto analyzer
GB/T 30733-2014 Determination of total carbon, hydrogen and nitrogen content in coal.Instrumental method
GB/T 2441.1-2008 Determination of urea.Part 1:Total nitrogen content
GB/T 23835.12-2009 Lithium perchlorate anhydrous.Part 12:Determination of total nitrogen content
GB/T 17860.1-1999 Electrical measuring instruments--X-t recorders Part 1: Definitions and requirements
GB/T 42487-2023 Soil quality Determination of soil nitrate nitrogen, nitrite nitrogen and ammonium nitrogen potassium chloride solution leaching flow analysis method
GB/T 42485-2023 Soil quality Determination of soil nitrate nitrogen, nitrite nitrogen and ammonium nitrogen
GB/T 18412.5-2008 Textiles.Determination of the residues of pesticides.Part 5: Organic nitrogen pesticides
GB/T 2085.4-2014 Aluminum powder.Part 4:Nitrogen atomized aluminum powder
GB/T 18856.12-2002 Test methods for quality of coal water mixture--Part 12: Determination of nitrogen of coal water mixture
GB/T 10209.1-2008 Determination of monoammonium phosphate and diammonium phosphate.Part 1:Total nitrogen content
GB/T 17767.1-2008 Determination of organic-inorganic compound fertilizers.Part 1:Total nitrogen content
GB/T 5687.4-1985 Methods for chemical analysis of ferro-chromium--The neutralization titration method for the determination of nitrogen content
GB/T 4324.6-2012 Methods for chemical analysis of tungsten.Part 6:Determination of iron content.1,10-phenanthroline spectrophotometry
GB/T 3260.2-2013 Methods for chemical analysis of tin.Part 2:Determination of iron content.1,10-phenanthroline photometric method
GB/T 15076.13-1994 Methods for chemical analysis of tantalum and niobium-Determination of nitrogen content in tantalum
GB/T 7493-1987 Water quality--Determination of nitrogen (nitrite)--Spectrophotometric method
GB/T 32737-2016 Determination of nitrate nitrogen in soil - Ultraviolet spectrophotometry method
GB/T 15076.4-2020 Methods for chemical analysis of tantalum and niobium—Part 4:Determination of iron content—1,10-Phenanthroline spectrophotometry

CZ-CSN, Azotometer part

CSN 70 4243-1981 Glass apparatus by Parnas-Wagner for the determination of nitrogen
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 ON 65 4510-1962
CSN 42 0550 Cast.9-1984 Chemical analysis of ferroalloys. Analysis of ferrochromium. Determination of nitrogen
CSN 42 0566 Cast.7-1987 Chemical analysis of manganese. Determination of nitrogen content
CSN 46 7092-24-1998 Testing methods for feeding stuffs - Part 24: Determination of the non-nitrogen extract substances
CSN 83 4721 Cast.1-1987 Air Pollution Control. Determination of nitrogen oxides emissions from stationary sources. General part
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 42 0525-1980 Chemical analysis of technical iron. Determination of the nitrogen content
CSN 46 7092-29-1998 Testing methods for feeding stuffs - Part 29: Determination of amonia content in the fish meals

National Metrological Verification Regulations of the People's Republic of China, Azotometer part

JJG 631-2013 Verification Regulation of Ammonia-Nitrogen Automatic Analyzers
JJG 801-1993 Verification Regulation of Chemiluminescent NO/NO<下标x> Analyzer
JJG 1094-2013 Water Quality On-line Analyzers of Total Phosphorus and Total Nitrogen
JJG 656-2013 Verification Regulation of Nitrate-Nitrogen Automatic Analyzers
JJG 801-2004 Chemiluminescent NO/NOx Analyzers
JJG 395-2016 Carbon-sulfur Analyzers
JJG 395-1997 Verification Regulation of Carbon-Sulfur Analyzer
JJG(烟草) 23.3-2009 Verification Regulation of Detecting Instrument for Threshed Tobacco-Part 3:Stem Tester
JJG(烟草)23.3-2009 Measurement and Verification Regulations for Dedicated Testing Instruments for Threshing Tobacco Leaf Part 3: Measuring Instrument for Leaf Stems

工业和信息化部, Azotometer part

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 4566.2-2016 Determination of nitrogen content of vanadium iron nitride, distillation and separation-acid-base neutralization titration method
YS/T 1467.10-2021 Hafnium Chemical Analysis Methods Part 10: Determination of Oxygen and Nitrogen Amounts
YS/T 540.4-2018 Methods for chemical analysis of vanadium Part 4: Determination of iron content 1,10-phenanthroline spectrophotometric method

International Dairy Federation (IDF), Azotometer part

IDF 20-1-2001 Milk - Determination of nitrogen content - Part 1: Kjeldahl method
IDF 20-5-2001 Milk - Determination of nitrogen content - Part 5: Determination of protein-nitrogen content
IDF 20-4-2001 Milk - Determination of nitrogen content - Part 4: Determination of non-protein-nitrogen content
IDF 20-1-2014 Milk and milk products - Determination of nitrogen content - Part 1: Kjeldahl principle and crude protein calculation
IDF 20-2-2001 Milk - Determination of nitrogen content - Part 2: Block-digestion method (Macro method)

Danish Standards Foundation, Azotometer part

DS/EN ISO 8968-1:2002 Milk - Determination of nitrogen content - Part 1: Kjeldahl method
DS/EN ISO 8968-4:2002 Milk - Determination of nitrogen content - Part 4: Determination of non-protein nitrogen content
DS/EN ISO 8968-5:2002 Milk - Determination of nitrogen content - Part 5: Determination of protein-nitrogen content
DS/EN 13654-1:2002 Soil improvers and growing media - Determination of nitrogen - Part 1: Modified Kjeldahl 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 224:1975 Water analysis. Determination of ammonia-nitrogen
DS/EN ISO 5983-1/AC:2009 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 1: Kjeldahl method
DS/EN ISO 5983-1:2005 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 1: Kjeldahl method
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/EN ISO 5378:1995 Starches and derived products - Determination of nitrogen content by the Kjeldahl method - Spectrophometric method
DS/EN ISO 8968-2:2002 Milk - Determination of nitrogen content - Part 2: Block-digestion method (Macro method)
DS/EN ISO 17234-2:2011 Leather - Chemical tests for the determination of certain azo colorants in dyed leathers - Part 2: Determination of 4-aminoazobenzene
DS/ISO 17997-2:2004 Milk - Determination of casein-nitrogen content - Part 2: Direct method
DS/EN ISO 4945:2009 Steel - Determination of nitrogen content - Spectrophotometric method
DS/EN 61143-1/A1:1998 Electrical measuring instruments - X-t recorders - Part 1: Definitions and requirements
DS/EN 61143-1:1996 Electrical measuring instruments - X-t recorders - Part 1: Definitions and requirements
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/ISO 17997-1:2004 Milk - Determination of casein-nitrogen content - Part 1: Indirect method (Reference method)
DS/EN ISO 17234-1:2010 Leather - Chemical tests for the determination of certain azo colorants in dyed leathers - Part 1: Determination of certain aromatic amines derived from azo colorants
DS/EN 13654-2:2002 Soil improvers and growing media - Determination of nitrogen - Part 2: Dumas method
DS/EN ISO 8968-3:2007 Milk - Determination of nitrogen content - Part 3: Block-digestion method (Semi-micro rapid routine method)
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

International Organization for Standardization (ISO), Azotometer part

ISO 8968-1:2001 | IDF 20-1: 2001 Milk — Determination of nitrogen content — Part 1: Kjeldahl method
ISO 8968-5:2001 Milk - Determination of nitrogen content - Part 5: Determination of protein-nitrogen content
ISO 8968-5:2001|IDF 20-5:2001 Determination of milk nitrogen content Part 5: Determination of protein nitrogen content
ISO 8968-4:2001 Milk - Determination of nitrogen content - Part 4: Determination of non-protein-nitrogen content
ISO 8968-4:2001 | IDF 20-4:2001 Milk — Determination of nitrogen content — Part 4: Determination of non-protein-nitrogen content
ISO 8968-5:2001 | IDF 20-5:2001 Milk — Determination of nitrogen content — Part 5: Determination of protein-nitrogen content
ISO 8968-4:2001|IDF 20-4:2001 Determination of milk nitrogen content Part 4: Determination of non-protein nitrogen content
ISO 15672:2000 Rubber and rubber additives - Determination of total nitrogen content using an automatic analyser
ISO 29541:2010 Solid mineral fuels - Determination of total carbon, hydrogen and nitrogen content - Instrumental method
ISO/TR 11905-2:1997 Water quality - Determination of nitrogen - Part 2: Determination of bound nitrogen, after combustion and oxidation to nitrogen dioxide, using chemiluminescence detection
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 8968-1:2001 Lait - Détermination de la teneur en azote - Partie 1: Méthode Kjeldahl (Deuxième édition)
ISO 8968-1:2001|IDF 20-1:2001 Determination of milk nitrogen content Part 1: Kjeldahl method
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 8968-4:2001/Cor 1:2011 Milk - Determination of nitrogen content - Part 4: Determination of non-protein-nitrogen content; Technical Corrigendum 1
ISO 17234-2:2011 Leather - Chemical tests for the determination of certain azo colorants in dyed leathers - Part 2: Determination of 4-aminoazobenzene
ISO 11905-1:1997 Water quality - Determination of nitrogen - Part 1: Method using oxidative digestion with peroxodisulfate
ISO 17234-2:2011 | IULTCS/IUC 20-2 Leather — Chemical tests for the determination of certain azo colorants in dyed leathers — Part 2: Determination of 4-aminoazobenzene
ISO 8968-2:2001 Milk - Determination of nitrogen content - Part 2: Block-digestion method (Macro method)
ISO 17997-2:2004 Milk - Determination of casein-nitrogen content - Part 2: Direct method
ISO 17997-2:2004 | IDF 29-2:2004 Milk — Determination of casein-nitrogen content — Part 2: Direct method
ISO 17997-2:2004|IDF 029-2:2004 Bovine Casein - Determination of Nitrogen Content Part 2: Direct Method
ISO 8968-2:2001|IDF 20-2:2001 Determination of milk nitrogen content Part 2: Batch dissolution method (macroscopic method)
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 4945:1977 Steel; Determination of nitrogen content; Spectrophotometric method
ISO 4945:2018 Steel - Determination of nitrogen - Spectrophotometric method
ISO 8968-2:2001 | IDF 20-2: 2001 Milk — Determination of nitrogen content — Part 2: Block-digestion method (Macro method)
ISO 17234-1:2010 Leather - Chemical tests for the determination of certain azo colorants in dyed leathers - Part 1: Determination of certain aromatic amines derived from azo colorants
ISO 17234-1:2015 Leather - Chemical tests for the determination of certain azo colorants in dyed leathers - Part 1: Determination of certain aromatic amines derived from azo colorants
ISO 10695:2000 Water quality - Determination of selected organic nitrogen and phosphorus compounds - Gas-chromatographic methods
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 17234-1:2020 Leather — Chemical tests for the determination of certain azo colourants in dyed leathers — Part 1: Determination of certain aromatic amines derived from azo colourants
ISO 17997-1:2004 Milk - Determination of casein-nitrogen content - Part 1: Indirect method (Reference method)
ISO 17997-1:2004 | IDF 29-1:2004 Milk — Determination of casein-nitrogen content — Part 1: Indirect method (Reference method)
ISO 17997-1:2004|IDF 029-1:2004 Bovine casein - Determination of nitrogen content Part 1: Indirect method (reference method)
ISO 27871:2011 Cheese and processed cheese - Determination of the nitrogenous fractions
ISO 27871:2011 | IDF 224:2011 Cheese and processed cheese — Determination of the nitrogenous fractions
ISO 8655-3:2022 Piston-operated volumetric apparatus — Part 3: Burettes
ISO 17234-1:2020 | IULTCS/IUC 20-1 Leather — Chemical tests for the determination of certain azo colourants in dyed leathers — Part 1: Determination of certain aromatic amines derived from azo colourants
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 17234-1:2015 | IULTCS/IUC 20-1 Leather — Chemical tests for the determination of certain azo colorants in dyed leathers — Part 1: Determination of certain aromatic amines derived from azo colorants
ISO 17234-1:2010 | IULTCS/IUC 20-1 Leather — Chemical tests for the determination of certain azo colorants in dyed leathers — Part 1: Determination of certain aromatic amines derived from azo colorants
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 14951-3:1999 Space systems - Fluid characteristics - Part 3: Nitrogen
ISO 6332:1982 Water analysis — Determination of iron — 1,10-phenanthroline photometric method

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

GB/T 40723-2021 Rubber—Determination the contents of total sulfur and total nitrogen — Automatic analyser method
GB/T 20914.3-2019 Stamping dies—Gas springs—Part 3: Gas spring with increased spring force and compact built height
GB/T 20914.4-2019 Stamping dies—Gas springs—Part 4: Gas spring with increased spring force and same built height
GB/T 40535.1-2021 Test methods of continuous nitride ceramic fibers—Part 1：Nitrogen content

国家质量监督检验检疫总局, Azotometer part

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

Shandong Provincial Standard of the People's Republic of China, Azotometer part

DB37/T 2485-2014 Technical conditions for full (semi) automatic Kjeldahl nitrogen analyzer

Inner Mongolia Provincial Standard of the People's Republic of China, Azotometer part

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

Military Standard of the People's Republic of China-General Armament Department, Azotometer part

GJB 337-1987 Determination method of nitrogen content of nitrocellulose (interferometer method)
GJB 8682.11-2015 Methods of chemical analysis of pyrotechnics Part 11: Determination of barium nitrate content and nitrogen determination method
GJB 770.303-1989 Test methods for gunpowder analysis: Determination of nitrogen content of nitrocellulose. Five-tube nitrogen meter method

Professional Standard - Commodity Inspection, Azotometer part

SN/T 0736.11-2002 Chemical analysis of fertilizers for import and export.Determination of nitrogen content by auto analyzer
SN/T 3005-2011 Test method for instrumental determination of carbon,hydrogen,nitrogen and sulfur in organic chemicals
SN/T 0736.5-2010 Test method of import and export fertilizers.Part 5: Determination of nitrogen content
SN/T 3097-2012 Determination of total nitrogen in fertelezers.Combustion

German Institute for Standardization, Azotometer part

DIN EN ISO 8968-4:2002 Milk - Determination of nitrogen content - Part 4: Determination of the non-protein-nitrogen content (ISO 8968-4:2001); German version EN ISO 8968-4:2001
DIN EN ISO 8968-5:2002 Milk - Determination of nitrogen content - Part 5: Determination of protein-nitrogen content (ISO 8968-5:2001); German version EN ISO 8968-5:2001
DIN EN ISO 11905-1:1998 Water quality - Determination of nitrogen - Part 1: Method using oxidative digestion with peroxodisulfate (ISO 11905-1:1997); German version EN ISO 11905-1:1998
DIN 12702:1978 Laboratory glassware; volumetric glassware for gas analysis, gas burettes, azotometers, eudiometers, nitrometers
DIN EN 13654-1:2002-01 Soil improvers and growing media - Determination of nitrogen - Part 1: Modified Kjeldahl method; German version EN 13654-1:2001
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 EN ISO 5983-1 Berichtigung 1:2009-07 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 1: Kjeldahl method (ISO 5983-1:2005); German version EN ISO 5983-1:2005, Corrigendum to DIN EN ISO 5983-1:2005-10; German version EN ISO 5983-1:20...
DIN EN ISO 5983-1:2005-10 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 1: Kjeldahl method (ISO 5983-1:2005); German version EN ISO 5983-1:2005
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 4945:2019-03 Steel - Determination of nitrogen - Spectrophotometric method (ISO 4945:2018); German version EN ISO 4945:2018
DIN EN 15273-4:2023 Railway Applications - Gauges - Part 4: Catalogue of defined gauges; German and English version prEN 15273-4:2023
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 EN ISO 17234-2:2011-06 Leather - Chemical tests for the determination of certain azo colorants in dyed leathers - Part 2: Determination of 4-aminoazobenzene (ISO 17234-2:2011); German version EN ISO 17234-2:2011
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 4945:2010 Steel - Determination of nitrogen content - Spectrophotometric method (ISO 4945:1977); German version EN ISO 4945:2009
DIN EN 10179:2023-07 Steels - Determination of nitrogen (trace amounts) - Spectrophotometric method; German and English version prEN 10179:2023 / Note: Date of issue 2023-05-26*Intended as replacement for DIN EN 10179 (1990-04).
DIN EN 61143-1/A1:1998-12 Electrical measuring instruments - X-t recorders - Part 1: Definitions and requirements; Amendment A1 (IEC 61143-1:1992/A1:1997); German version EN 61143-1:1994/A1:1997
DIN EN ISO 4945:2019 Steel - Determination of nitrogen - Spectrophotometric method (ISO 4945:2018)
DIN EN 61143-1/A1:1998 Electrical measuring instruments - X-t recorders - Part 1: Definitions and requirements; Amendment A1 (IEC 61143-1:1992/A1:1997); German version EN 61143-1:1994/A1:1997
DIN EN 61143-1:1995 Electrical measuring instruments - X-t recorders - Part 1: Definitions and requirements (IEC 61143-1:1992); German version EN 61143-1:1994
DIN EN 13654-2:2002 Soil improvers and growing media - Determination of nitrogen - Part 2: Dumas method; German version EN 13654-2:2001
DIN EN 15104:2011 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen - Instrumental methods; German version EN 15104:2011
DIN EN ISO 17234-1:2020-12 Leather - Chemical tests for the determination of certain azo colorants in dyed leathers - Part 1: Determination of certain aromatic amines derived from azo colorants (ISO 17234-1:2020); German version EN ISO 17234-1:2020
DIN EN 13654-2:2002-01 Soil improvers and growing media - Determination of nitrogen - Part 2: Dumas method; German version EN 13654-2:2001
DIN EN ISO 6974-4:2002-06 Natural gas - Determination of composition with defined uncertainty by gas chromatography - Part 4: Determination of nitrogen, carbon dioxide and C<(Index)1> to C<(Index)5> and C<(Index)6+> hydrocarbons for a laboratory and on-line me...
DIN EN ISO 8968-3:2007 Milk - Determination of nitrogen content - Part 3: Block-digestion method (Semi-micro rapid routine method) (ISO 8968-3:2004); English version of DIN EN ISO 8968-3:2007-09
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 EN 61143-1:1995-01 Electrical measuring instruments - X-t recorders - Part 1: Definitions and requirements (IEC 61143-1:1992); German version EN 61143-1:1994
DIN EN ISO 21068-3:2023-07 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/DIS 21068-3:2023); German and En...
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 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 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

Association Francaise de Normalisation, Azotometer part

NF V04-221-5:2002 Milk - Determination of nitrogen content - Part 5 : determination of protein-nitrogen content.
NF V04-221-4:2002 Milk - Determination of nitrogen content - Part 4 : determination of non-protein nitrogen content.
NF EN 13654-1:2002 Amendements du sol et supports de culture - Détermination de l'azote - Partie 1 : méthode de Kjeldahl modifiée
NF X34-117:2011 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen - Instrumental methods.
NF EN ISO 5983-1:2005 Aliments des animaux - Détermination de la teneur en azote et calcul de la teneur en protéines brutes - Partie 1 : méthode Kjeldahl
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 61143-1/A1:1998 Appareils électriques de mesure - Enregistreurs X-t - Partie 1 : définitions et prescriptions.
NF EN 61143-1:1994 Appareils électriques de mesure - Enregistreurs X-t - Partie 1 : définitions et prescriptions.
NF A06-555*NF EN ISO 4945:2018 Steel - Determination of nitrogen - Spectrophotometric method
NF G52-222-2*NF EN ISO 17234-2:2011 Leather - Chemical tests for the determination of certain azo colorants in dyed leathers - Part 2 : determination of 4-aminoazobenzene.
NF EN ISO 17234-2:2011 Cuir - Essais chimiques pour le dosage de certains colorants azoïques dans les cuirs teints - Partie 2 : dosage du 4-aminoazobenzène
NF C42-141/A1:1980 Electrical measuring instruments - X-t recorders Part 1:Definitions and requirements
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 EN ISO 11905-1:1998 Qualité de l'eau - Dosage de l'azote - Partie 1 : méthode par minéralisation oxydante au peroxodisulfate
NF A06-654:1993 Chemical analysis of titanium alloys. Determination of nitrogen content. 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 G52-222-1:2011 Leather - Chemical tests for the determination of certain azo colorants in dyed leathers - Part 1 : determination of certain aromatic amines derived from azo colorants.
NF G52-222-1:2015 Leather - Chemical tests for the determination of certain azo colorants in dyed leathers - Part 1 : determination of certain aromatic amines derived from azo colorants
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 C42-145*NF EN 61143-1:1994 Electrical measuring instruments. X-T recorders. Part 1 : definitions and requirements.
NF EN ISO 17234-1:2020 Cuir - Essais chimiques pour le dosage de certains colorants azoïques dans les cuirs teints - Partie 1 : dosage de certaines amines aromatiques dérivées des colorants azoïques
NF V04-279*NF ISO 27871:2011 Cheese and processed cheese - Determination of nitrogenous fractions
NF EN ISO 5378:1994 Amidons, fécules et produits dérivés - Dosage de l'azote selon la méthode de Kjeldahl - Méthode spectrophotométrique.
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 EN 13654-2:2002 Amendements du sol et supports de culture - Détermination de l'azote - Partie 2 : méthode de Dumas
NF A06-654:2020 Chemical analysis of titnium and titanium alloys - Determination of nitrogen content - Titrimetric method
NF B35-655-5*NF EN ISO 8655-5:2003 Piston-operated volumetric apparatus - Part 5 : dispensers
NF A09-320-1:2010 Non-destructive testing - Characterization and verification of ultrasonic testing equipment - Part 1 : instruments.
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

ZA-SANS, Azotometer part

SANS 8968-5:2006 Milk - Determination of nitrogen content - Part 5: Determination of protein-nitrogen content
SANS 8968-4:2006 Milk - Determination of nitrogen content Part 4: Determination of non-protein-nitrogen content
SANS 12902:2007 Solid mineral fuels - Determination of total carbon, hydrogen and nitrogen - Instrumental methods
SANS 8968-1:2006 Milk - Determination of nitrogen content Part 1: Kjeldahl method
SANS 8968-2:2006 Milk - Determination of nitrogen content Part 2: Block-digestion method (Macro method)

Lithuanian Standards Office , Azotometer part

LST EN ISO 8968-1:2002 Milk - Determination of nitrogen content - Part 1: Kjeldahl method (ISO 8968-1:2001)
LST EN ISO 8968-5:2002 Milk - Determination of nitrogen content - Part 5: Determination of protein-nitrogen content (ISO 8968-5:2001)
LST EN ISO 8968-4:2002 Milk - Determination of nitrogen content - Part 4: Determination of non-protein nitrogen content (ISO 8968-4:2001)
LST EN 13654-1-2002 Soil improvers and growing media - Determination of nitrogen - Part 1: Modified Kjeldahl method
LST EN 15104-2011 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen - Instrumental methods
LST EN ISO 5983-1:2005 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 1: Kjeldahl method (ISO 5983-1:2005)
LST EN ISO 5983-1:2005/AC:2009 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 1: Kjeldahl method (ISO 5983-1:2005/Cor 1:2008)
LST EN ISO 5378:2000 Starches and derived products - Determination of nitrogen content by the Kjeldahl method - Spectrophotometric method (ISO 5378:1978)
LST EN ISO 17234-2:2011 Leather - Chemical tests for the determination of certain azo colorants in dyed leathers - Part 2: Determination of 4-aminoazobenzene (ISO 17234-2:2011)
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 EN 13654-2-2004 Soil improvers and growing media - Determination of nitrogen - Part 2: Dumas method
LST EN ISO 4945:2010 Steel - Determination of nitrogen content - Spectrophotometric method (ISO 4945:1977)
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

未注明发布机构, Azotometer part

DIN EN ISO 8968-1:2002 Milk — Determination of nitrogen content — Part 1: Kjeldahl method (ISO 8968-1:2001)
BS EN ISO 5983-1:2005(2009) Animal feeding stuffs — Determination of nitrogen content and calculation of crude protein content — Part 1 : Kjeldahl method
BS 4267-2:1988(1999) Ammonium nitrate — Part 2 : Method for determination of total nitrogen content
BS 4267-1:1988(1999) Ammonium nitrate — Part 1 : Method for determination of ammoniacal nitrogen content
BS EN ISO 8968-2:2002 Milk — Determination ofnitrogen content — Part 2 : Block - digestion method (Macro method)
BS EN 61143-1:1994(1999) Electrical measuring instruments — X - t recorders — Part 1 : Definitions and requirements
BS EN ISO 11905-1:1998(2008)*BS 6068-2.62:1998 Water quality — Determination of nitrogen — Part 1 : Method using oxidative digestion with peroxodisulfate
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)

Korean Agency for Technology and Standards (KATS), Azotometer part

KS B 5355-1993 Continuous analyzers for oxides of nitrogen in flue gas
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 I ISO 11905-2-2008(2013) Water quality－Determination of nitrogen－Part 2：Determination of bound nitrogen, after combustion and oxidation to nitrogen dioxide, using chemiluminescence detection
KS B 5360-1990(2021) Continuous Analysers for Oxides of Nitrogen in Ambient Air
KS I ISO 11905-2:2008 Water quality-Determination of nitrogen-Part 2:Determination of bound nitrogen, after combustion and oxidation to nitrogen dioxide, using chemiluminescence detection
KS B 5360-1990(2016) Continuous Analysers for Oxides of Nitrogen in Ambient Air
KS H ISO 5378-2008(2018) Starches and derived products－Determination of nitrogen content by the Kjeldahl method－Spectrophotometric method
KS I ISO 11905-1:2008 Water quality-Determination of nitrogen-Part 1:Method using oxidative digestion with peroxodisulfate
KS M 2418-2006 Standard test method for instrumental determination of carbon, hydrogen, and nitrogen in petroleum products and lubricants
KS M 2418-2006(2016) Standard test method for instrumental determination of carbon, hydrogen, and nitrogen in petroleum products and lubricants
KS D ISO 4945:2002 Steel－Determination of nitrogen content－Spectrophotometric method
KS C IEC 61143-1-2013(2018) Electrical measuring instruments－X-t recorders－Part 1：Definitions and requirements
KS M ISO 17234-2:2019 Leather — Chemical tests for the determination of certain azo colorants in dyed leathers — Part 2: Determination of 4-aminoazobenzene
KS M ISO 17234-1:2019 Leather ─ Chemical tests for the determination of certain azo colorants in dyed leathers ─ Part 1: Determination of certain aromatic amines derived from azo colorants
KS M ISO 17234-1:2014 Leather ─ Chemical tests for the determination of certain azo colorants in dyed leathers ─ Part 1: Determination of certain aromatic amines derived from azo colorants
KS M ISO 17234-2:2014 Leather — Chemical tests for the determination of certain azo colorants in dyed leathers — Part 2: Determination of 4-aminoazobenzene
KS M 2418-2006(2021) Standard test method for instrumental determination of carbon, hydrogen, and nitrogen in petroleum products and lubricants
KS C IEC 61143-1:2013 Electrical measuring instruments－X-t recorders－Part 1：Definitions and requirements
KS D ISO 4945-2002(2017) Steel－Determination of nitrogen content－Spectrophotometric method
KS I ISO 10695:2006 Water quality－Determination of selected organic nitrogen andphosphorus compounds－Gas chromatographic methods
KS I ISO 11905-1-2008(2018) Water quality－Determination of nitrogen－Part 1：Method using oxidative digestion with peroxodisulfate
KS B ISO 12857-2-2002(2017) Optics and optical instruments－Geodetic instruments－Field procedures for determining accuracy－Part 2：Theodolites
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 D 2573-2005 Methods for determination of nitrogen in zirconium and zirconium alloys
KS B ISO 12857-2-2002(2022) Optics and optical instruments－Geodetic instruments－Field procedures for determining accuracy－Part 2：Theodolites
KS B ISO 12857-1-2002(2022) Optics and optical instruments－Geodetic instruments－Field procedures for determining accuracy－Part 1：Levels
KS B ISO 8655-3-2017(2022) Piston-operated volumetric apparatus－Part 3：Piston burettes
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 - Environmental Protection, Azotometer part

HJ/T 101-2003 The technical requirement for water quality automatic analyzer of ammonia
HJ/T 102-2003 The technical requirement for water quality automatic analyzer of total nitrogen
HJ/T 64.3-2001 stationary source emission.Determination of cadmium.p-Azobenzenediazoaminazobenzene sulfonic acid spectrophotometric method
HJ 634-2012 Soil.Determination of ammonium, nitrite and nitrate by extraction with potassium chloride solution-spectrophotometric methods
HJ 479-2009 Ambient air.Determination of nitrogen oxides.N-(1-Naphthyl)ethylene diamine dihydrochloride spectrophotometric method
HJ 1191-2021 Spectrophotometric method for the determination of water quality azide
HJ 479-2009(XG1-2018) Determination of nitrogen oxides (nitrogen monoxide and nitrogen dioxide) in ambient air Spectrophotometric method of naphthalene ethylenediamine hydrochloride "No. 1 Amendment"
HJ 536-2009 Water quality.Determination of ammonia nitrogen.Salicylic acid spectrophotometry

VN-TCVN, Azotometer part

TCVN 6624-2-2000 Water quality.Determination of nitrogen.Part 1: Determination of bound nitrogen, after combustion and oxidation to nitrogen dioxide, using chemiluminescence detection
TCVN 6624-1-2000 Water quality.Determination of nitrogen.Part 1: Method using oxidative digestion with peroxodisunfate
TCVN 305-2010 Steel and iron.Determination of nitrongen content.Methods of chemical analysis.

RU-GOST R, Azotometer part

GOST R 54244-2010 Solid mineral fuel. Instrumental method for determination of carbon, hydrogen and nitrogen
GOST 32979-2014 Solid mineral fuel. Instrumental method for determination of carbon, hydrogen and nitrogen
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 33513-2015 Solid recovered fuel. Determination of carbon (C), hydrogen (H) and nitrogen (N) content by instrumental method
GOST R ISO 17234-1-2010 Leather. Methods of determination of certain azo colorants in dyed leathers. Part 1. Determination of certain aromatic amines derived from azo colorants
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 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

BE-NBN, Azotometer part

NBN T 91-255-1976 Water analysis methods - Determination of the ammoniacal and organic nitrogen - (Kjeldahl nitrogen)
NBN T 91-253-1976 Water analysis methods - Determination of the albuminoid nitrogen
NBN-EN 61143-1-1994 Electrical measuring instruments - X-t recorders Part 1 : Definitions and requirements
NBN C 73-335-01 ADD 4-1992
NBN C 73-335-01 ADD 6-1994
NBN C 73-335-01 ADD 7-1994
NBN C 73-335-01 ADD 8-1994
NBN-EN ISO 5378:1994 Starches and derived products - Determination of nitrogen content by the Kjeldahl method - Spectrophotometric method (ISO 5378:1978)
NBN T 91-257-1977 Water analysis methods - Determination of the nitrite nitrogen - Photoraetric method
NBN T 91-252-1976 Water analysis methods - Determination of the ammoniacal nitro-gen after preliminary distillation
NBN C 74-206-1986
NBN C 74-203-1986
NBN C 74-601-1-1994
NBN C 74-601-1-1992

Professional Standard - Military and Civilian Products, Azotometer part

WJ 2261-1994 Verification rules for thermal conductivity and infrared absorption nitrogen and oxygen detectors

American Society for Testing and Materials (ASTM), Azotometer part

ASTM UOP874-88 Pore Size Distribution of Porous Substances by Nitrogen Adsoprtion Using a Quantachrome Analyzer
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 E147-61(2011) Standard Specification for Apparatus for Microdetermination of Nitrogen by Kjeldahl Method
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 C1494-13(2018) Standard Test Methods for Determination of Mass Fraction of Carbon, Nitrogen, and Oxygen in Silicon Nitride Powder
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

Professional Standard - Petrochemical Industry, Azotometer part

SH/T 0656-1998 Standard test methods for instrumental determination of carbon,hydrogen,and nitrogen in petroleum products and lubricants

Jiangsu Provincial Standard of the People's Republic of China, Azotometer part

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

Professional Standard - Energy, Azotometer part

NB/SH/T 0656-2017 Determination of Carbon, Hydrogen and Nitrogen in Petroleum Products and Lubricants Elemental Analyzer Method
NB/SH/T 6014-2020 Determination of Nitrogenous Compounds in Middle Distillates by Gas Chromatography-Nitrogen Chemiluminescence Detection

国家能源局, Azotometer part

SH/T 0656-2017 Elemental analyzer method for determination of carbon, hydrogen and nitrogen in petroleum products and lubricants
NB/SH/T 0980-2019 Determination of basic nitrogen content in petroleum fractions by potentiometric titration method

Japanese Industrial Standards Committee (JISC), Azotometer part

JIS B 7982:1995 Continuous analyzers for oxides of nitrogen in flue gas
JIS B 7953:2004 Continuous analyzers for oxides of nitrogen in ambient air
JIS B 7953:1997 Continuous analysers for oxides of nitrogen in ambient air
JIS G 1311-7:2012 Method for chemical analysis of ferromanganese -- Part 7: Determination of nitrogen content
JIS G 1313-6:2012 Method for chemical analysis of ferrochromium .Part 6: Determination of nitrogen content
JIS B 7982:2002 Automated measuring systems and analyzers for nitrogen oxides in flue gas
JIS G 1228-1:2022 Iron and steel -- Determination of nitrogen -- Part 1: Amidosulfuric acid titrimetric method after ammonium distillation separation
JIS G 1228-2:2022 Iron and steel -- Determination of nitrogen -- Part 2: Spectrophotometric methods after ammonium distillation separation
JIS R 1640:2002 Methods for the quantitative phase analysis of silicon nitride
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

British Standards Institution (BSI), Azotometer part

BS 5551-4.1.1:1981 Fertilizers - Chemical analysis - Determination of nitrogen - Nitron gravimetric method for determination of nitrate nitrogen
DD ISO/TS 12902:2002 Solid mineral fuels. Determination of total carbon, hydrogen and nitrogen. Instrumental methods
BS 5551 SubSec.4.1.5:1993 Fertilizers. Chemical analysis. Determination of nitrogen. Method for determination of urea nitrogen content (gravimetric method using xanthydrol)
BS ISO 15672:2000 Rubber and rubber additives - Determination of total nitrogen content using an automatic analyser
BS ISO 29541:2010 Solid mineral fuels. Determination of total carbon, hydrogen and nitrogen content. Instrumental method
BS 5551-4.1.2:1982 Fertilizers. Chemical analysis. Determination of nitrogen. Determination of ammoniacal nitrogen, titrimetric method after distillation
BS EN 15104:2011 Solid biofuels. Determination of total content of carbon, hydrogen and nitrogen. Instrumental methods
BS 5551 SubSec.4.1.2:1982 Fertilizers. Chemical analysis. Determination of nitrogen. Determination of ammoniacal nitrogen, titrimetric method after distillation
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
BS 4267-2:1988 Ammonium nitrate - Method for determination of total nitrogen content
BS 5551 SubSec.4.1.3:1986 Fertilizers. Chemical analysis. Determination of nitrogen. Method for determination of total nitrogen content (titrimetric method after distillation)
BS 4267-1:1988 Ammonium nitrate - Method for determination of ammoniacal nitrogen content
BS 5551-4.1.3:1986 Fertilizers. Chemical analysis. Determination of nitrogen. Method for determination of total nitrogen content (titrimetric method after distillation)
BS 770-8:1987 Methods for chemical analysis of cheese - Determination of nitrogen content (reference method)
BS EN ISO 4945:2010 Steel. Determination of nitrogen content. Spectrophotometric method
BS EN ISO 4945:2009 Steel - Determination of nitrogen content - Spectrophotometric method
BS 6200-3.22.4:1997 Sampling and analysis of iron, steel and other ferrous metals - Methods of analysis - Determination of nitrogen - Thermal conductimetric method after fusion in a current of inert gas
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
BS 1742-5.1:1991 Methods for chemical analysis of condensed milks - Determination of nitrogen content - Reference method
BS 1742-5.2:1991 Methods for chemical analysis of condensed milks - Determination of nitrogen content - Routine method
23/30464864 DC BS EN 15273-4. Railway applications. Gauges - Part 4. Catalogue of defined gauges
23/30446960 DC BS EN ISO 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
BS EN ISO 4945:2018 Tracked Changes. Steel. Determination of nitrogen. Spectrophotometric method
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 1742 Sec.5.1:1991 Methods for chemical analysis of condensed milks. Determination of nitrogen content. Reference method
BS 7334-7:1992 Measuring instruments for building construction - Methods for determining accuracy in use of instruments when used for setting out
BS 1742 Sec.5.2:1991 Methods for chemical analysis of condensed milks. Determination of nitrogen content. Routine method

European Committee for Standardization (CEN), Azotometer part

EN ISO 8968-5:2001 Milk - Determination of nitrogen content - Part 5: Determination of protein-nitrogen content (ISO 8968-5:2001)
CEN EN 13654-1-2001 Soil Improvers and Growing Media - Determination of Nitrogen - Part 1: Modified Kjeldahl Method
EN 15104:2011 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen - Instrumental methods
EN ISO 4945:2009 Steel - Determination of nitrogen content - Spectrophotometric method (ISO 4945:1977)
EN 13654-2:2001 Soil improvers and growing media - Determination of nitrogen - Part 2: Dumas method
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 ISO 17234-1:2020 Leather - Chemical tests for the determination of certain azo colourants in dyed leathers - Part 1: Determination of certain aromatic amines derived from azo colorants (ISO 17234-1:2020)
EN ISO 8968-3:2007 Milk - Determination of nitrogen content - Part 3: Block-digestion method (Semi-micro rapid routine 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

AENOR, Azotometer part

UNE-EN 13654-1:2002 Soil improvers and growing media - Determination of nitrogen - Part 1: Modified Kjeldahl method
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-EN ISO 5983-1:2007 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 1: Kjeldahl method (ISO 5983-1:2005)
UNE-EN 61143-1/A1:1999 ELECTRICAL MEASURING INSTRUMENTS - X-T RECORDERS. PART 1: DEFINITIONS AND REQUIREMENTS
UNE-EN ISO 17234-2:2011 Leather - Chemical tests for the determination of certain azo colorants in dyed leathers - Part 2: Determination of 4-aminoazobenzene (ISO 17234-2:2011)
UNE-EN 13654-2:2002 Soil improvers and growing media - Determination of nitrogen - Part 2: Dumas method
UNE-EN ISO 4945:2010 Steel - Determination of nitrogen content - Spectrophotometric method (ISO 4945:1977)

AT-ON, Azotometer part

ONORM M 6296-1993 Analysis of sewage Sludge - Determination of nitrogen components
ONORM L 1091-1999 Chemical analysis of soils - Determination of inorganic nitrogen Nmin-method
ONORM L 1082-1999 Chemical analyses of soils - Determination of nitrogen according to Kjeldahl
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)
ONORM L 1095-2002 Chemical analyses of soils - Determination of total nitrogen by dry combustion

Standard Association of Australia （SAA）, Azotometer part

AS 3580.5.1:2011
AS ISO 8968.1:2021 Milk and milk products — Determination of nitrogen content, Part 1: Kjeldahl principle and crude protein calculation
AS 3580.5.1:2023 Methods for sampling and analysis of ambient air, Method 5.1: Determination of oxides of nitrogen — Direct-reading instrumental method
IEC 61143-1:1992+AMD1:1997 CSV Electrical measuring instruments — X-t recorders — Part 1: Definitions and requirements
AS 1038.6.4:2005 Coal and coke - Analysis and testing - Higher rank coal and coke - Ultimate analysis - Carbon, hydrogen and nitrogen - Instrumental method
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)

Professional Standard - Machinery, Azotometer part

JB/T 11938-2014 Ammonia-nitrogen automatic analyzers for laboratory.Nessler's reagent spectrophotometry
JB/T 8491.5-2008 Technical requirement heat treatment for machine tool parts.Part 5: Nitriding and nitrocarburzong
JB/T 12453-2015 Latex misture tester

CEN - European Committee for Standardization, Azotometer part

PD CEN/TS 15104:2005 Solid biofuels - Determination of total content of carbon@ hydrogen and nitrogen - Instrumental methods
EN ISO 8968-2:2001 Milk - Determination of Nitrogen Content - Part 2: Block-Digestion Method (Macro Method)
EN ISO 4945:2018 Steel - Determination of nitrogen - Spectrophotometric method
EN ISO 8968-4:2001 Milk - Determination of Nitrogen Content - Part 4: Determination of Non-Protein Nitrogen Content

ES-UNE, Azotometer part

UNE-EN ISO 5983-1:2007/AC:2009 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 1: Kjeldahl method (ISO 5983-1:2005/Cor 1:2008)
UNE-EN ISO 4945:2019 Steel - Determination of nitrogen - Spectrophotometric method (ISO 4945:2018)
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 17234-1:2021 Leather - Chemical tests for the determination of certain azo colourants in dyed leathers - Part 1: Determination of certain aromatic amines derived from azo colorants (ISO 17234-1:2020)
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)

中华人民共和国国家卫生和计划生育委员会, Azotometer part

GBZ/T 300.43-2017 Determination of Toxic Substances in Workplace Air - Part 43: Azide and Sodium Azide

National Metrological Technical Specifications of the People's Republic of China, Azotometer part

JJF 1361-2012 Program on Pattern Evaluation of Chemiluminescent NO/NO Analyzers

TH-TISI, Azotometer part

TIS 2255.1-2005 Animal feeding stuff s-determination of nitrogen content and calculation of crude protein content.part 1: kjeldahl method

Association of German Mechanical Engineers, Azotometer part

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

KR-KS, Azotometer part

KS D ISO 4945-2022 Steel — Determination of nitrogen — Spectrophotometric method
KS M ISO 17234-2-2019 Leather — Chemical tests for the determination of certain azo colorants in dyed leathers — Part 2: Determination of 4-aminoazobenzene
KS M ISO 17234-1-2019 Leather ─ Chemical tests for the determination of certain azo colorants in dyed leathers ─ Part 1: Determination of certain aromatic amines derived from azo colorants
KS B ISO 8655-3-2017 Piston-operated volumetric apparatus－Part 3：Piston burettes
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

NO-SN, Azotometer part

NS 4745-1991 Water analysis - Determination of the sum of nitrite nitrogen and nitrate nitrogen

IN-BIS, Azotometer part

Jilin Provincial Standard of the People's Republic of China, Azotometer part

DB22/T 2270-2018 Determination of Ammonium Nitrogen and Nitrate Nitrogen in Farmland Soil by Flow Injection Analysis
DB22/T 2270-2015 Determination of Ammonium Nitrogen and Nitrate Nitrogen in Farmland Soil by Flow Injection Analysis

Military Standard of the People's Republic of China-Commission of Science,Technology and Industry for National Defence, Azotometer part

GJB 5381.11-2005 Methods of chemical analysis for pyrotech. Part 11: Determination of barium nitrate content. Azotometry method

IT-UNI, Azotometer part

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 EN ISO 17234-1:2020 Leather - Chemical tests for the determination of certain azo colorants in dyed leathers - Part 1: Determination of certain aromatic amines derived from azo colorants

ES-AENOR, Azotometer part

UNE 36-317 Pt.1-1985

International Electrotechnical Commission (IEC), Azotometer part

IEC 61143-1:1992 Electrical measuring instruments; X-t recorders; part 1: definitions and requirements
IEC 61143-1:1998 Electrical measuring instruments - X-t recorders - Part 1: Definitions and requirements
IEC 61143-1:1992/AMD1:1997 Electrical measuring instruments - X-t recorders - Part 1: Definitions and requirements; Amendment 1

Malaysia Standards, Azotometer part

MS 880 Pt.2-1984
MS 281 Pt.14-2001 Natrual rubber latex concentrate:Part 14:Determination of nitrogen content(Third revision)

NL-NEN, Azotometer part

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

PT-IPQ, Azotometer part

E 211-1967

TR-TSE, Azotometer part

TS 2428-1976 METHODS FOR THE CHEMICAL ANALYSIS OF IRON AND STEELS DETERMINATION OF NITROGEN CONTENT

Professional Standard - Water Conservancy, Azotometer part

SL 84-1994 Determination of nitrogen (nitrate)(Ultraviolet spectrophtometric method)

CH-SNV, Azotometer part

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)

Professional Standard - Railway, Azotometer part

TB/T 2059.4-2006 Methods for analysis of diesel locomotive collants Part 4: Determination of benzotriazole

Professional Standard - Non-ferrous Metal, Azotometer part

YS/T 74.7-2010 Mehtods for chemical analysis of cadmium- Part 7:Determination of iron content- 1,10-Phenanthroline spectrophotometry

Professional Standard - Geology, Azotometer part

DZ/T 0064.23-2021 Analytical methods for groundwater quality - Part 23: Determination of iron content by phenanthroline spectrophotometric method
DZ/T 0064.57-2021 Analytical Methods of Groundwater Quality Part 57: Determination of Ammonia Nitrogen by Nessler's Reagent Spectrophotometry

中华人民共和国环境保护部, Azotometer part

GB 7493-1987 Water quality-Determination of nitrogen (nitrite)-Spectrophotometric method

Hunan Provincial Standard of the People's Republic of China, Azotometer part

DB43/T 2139-2021 Determination of Nitrogen and Phosphorus in Plants by Continuous Flow Analysis

Professional Standard - Ferrous Metallurgy, Azotometer part

YB/T 174.1-2000 Chemical analysis for silicon nitride bonded silicon carbide product.Determination of silicon nitride content.High pressure dissolve specimen method