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Nitrogen Analysis

Nitrogen Analysis, Total:499 items.

In the international standard classification, Nitrogen Analysis involves: Products of the chemical industry, Analytical chemistry, Air quality, Ceramics, Non-ferrous metals, Testing of metals, Products of non-ferrous metals, Ferrous metals, Water quality, Soil quality. Pedology, Construction materials, Fertilizers, Ferroalloys, Rubber, Coals, Fuels, Environmental protection, Inorganic chemicals, Refractories, Powder metallurgy, Milk and milk products, Chipless working equipment, Raw materials for rubber and plastics, Natural gas, Insulating fluids, Farming and forestry, Metalliferous minerals, ENVIRONMENT. HEALTH PROTECTION. SAFETY, Welding, brazing and soldering, Measurement of fluid flow, Products of the textile industry, Cutting tools, Textile fibres, Valves, Electricity. Magnetism. Electrical and magnetic measurements, Wood-based panels, Geology. Meteorology. Hydrology, Tobacco, tobacco products and related equipment, Extraction and processing of petroleum and natural gas, Packaging materials and accessories, Bottles. Pots. Jars, Aircraft and space vehicles in general.

American Society for Testing and Materials (ASTM), Nitrogen Analysis

ASTM UOP821-81 Automated Micro Pore Size Distribution of Porous Substances by Nitrogen Adsorption and/or Desorption Using a Micromeritics Analyzer
ASTM UOP936-95 Combined Nitrogen in LPG by Chemiluminescence
ASTM UOP936-20 Combined Nitrogen in LPG by Chemiluminescence
ASTM UOP759-76 Trace Oxygen in Gases by Gas Chromatography
ASTM D7649-10(2017) Standard Test Method for Determination of Trace Carbon Dioxide, Argon, Nitrogen, Oxygen and Water in Hydrogen Fuel by Jet Pulse Injection and Gas Chromatography/Mass Spectrometer Analysis
ASTM D7649-19 Standard Test Method for Determination of Trace Carbon Dioxide, Argon, Nitrogen, Oxygen and Water in Hydrogen Fuel by Jet Pulse Injection and Gas Chromatography/Mass Spectrometer Analysis
ASTM E1140-95(2000) Standard Practice for Testing Nitrogen/Phosphorus Thermionic Ionization Detectors for Use In Gas Chromatography
ASTM UOP172-89 Flue Gas Analysis
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 D3179-89(2002) Standard Test Methods for Nitrogen in the Analysis Sample of Coal and Coke
ASTM D3179-89(1997) Standard Test Methods for Nitrogen in the Analysis Sample of Coal and Coke
ASTM D3179-89(1997)e1 Standard Test Methods for Nitrogen in the Analysis Sample of Coal and Coke
ASTM D3179-02 Standard Test Methods for Nitrogen in the Analysis Sample of Coal and Coke
ASTM D3179-02e1 Standard Test Methods for Nitrogen in the Analysis Sample of Coal and Coke

International Organization for Standardization (ISO), Nitrogen Analysis

ISO 21687:2007 Carbonaceous materials used in the production of aluminium - Determination of density by gas pyknometry (volumetric) using helium as the analysis gas - Solid materials
ISO 15672:2000 Rubber and rubber additives - Determination of total nitrogen content using an automatic analyser
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 6142:2001/Amd 1:2009 Gas analysis - Preparation of calibration gas mixtures - Gravimetric method; Amendment 1: Liquid introduction
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 6332:1982 Water analysis — Determination of iron — 1,10-phenanthroline photometric method
ISO 11722:2013 Solid mineral fuels - Hard coal - Determination of moisture in the general analysis test sample by drying in nitrogen
ISO 8968-1:2001 | IDF 20-1: 2001 Milk — Determination of nitrogen content — Part 1: Kjeldahl method
ISO 1833-15:2006 Textiles - Quantitative chemical analysis - Part 15: Mixtures of jute and certain animal fibres (method by determining nitrogen content)
ISO 13395:1996 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
ISO/FDIS 6142-2:2023 Gas analysis — Preparation of calibration gas mixtures — Part 2: Gravimetric method for Class II mixtures
ISO 6142-2:2023 Gas analysis — Preparation of calibration gas mixtures — Part 2: Gravimetric method for Class II mixtures
ISO/TS 11725:2002 Solid mineral fuels - Determination of nitrogen - Semi-micro gasification method
ISO/DIS 2614 Analysis of natural gas — Biomethane — Determination of terpenes' content by micro gas chromatography
ISO 6142-1:2015 Gas analysis - Preparation of calibration gas mixtures - Part 1: Gravimetric method for Class I mixtures

Korean Agency for Technology and Standards (KATS), Nitrogen Analysis

KS M ISO 21687:2011 Carbonaceous materials used in the production of aluminium-Determination of density by gas pyknometry (volumetric) using helium as the analysis gas-Solid materials
KS M ISO 21687:2016 Carbonaceous materials used in the production of aluminium－Determination of density by gas pyknometry (volumetric) using helium as the analysis gas－Solid materials
KS I 2203-2011 Methods for determination of oxides of nitrogen in flue gases
KS B 5355-1993 Continuous analyzers for oxides of nitrogen in flue gas
KS B 5360-1990(2016) Continuous Analysers for Oxides of Nitrogen in Ambient Air
KS B 5360-1990(2021) Continuous Analysers for Oxides of Nitrogen in Ambient Air
KS D 2573-2005 Methods for determination of nitrogen in zirconium and zirconium alloys
KS I ISO 13878:2009 Soil quality－Determination of total nitrogen content by dry combustion(“elemental analysis”)
KS I ISO 13878-2009(2019) Soil quality－Determination of total nitrogen content by dry combustion(“elemental analysis”)
KS L 9310-2017(2022) Methods for chemical analysis of aluminum nitride powders
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 2098-2004 Methods for determination of ammonia in exhaust gas
KS M 2100-2005 Methods for determination of chlorine in flue gas
KS B 5353-1980 Continuous Analyzers for Oxygen in Flue Gas
KS L 9310-2017 Methods for chemical analysis of aluminum nitride powders
KS M 8531-2018 Sodium hydroxide for nitrogen compounds analysis
KS D ISO 1812-2002(2017) Copper alloys－Determination of iron content－1,10-Phenanthroline spectrophotometric method
KS D ISO 1812-2002(2022) Copper alloys－Determination of iron content－1,10-Phenanthroline spectrophotometric method
KS M ISO 15672-2007(2022) Rubber and rubber additives－Determination of total nitrogen content using an automatic analyser
KS M 2104-2005 Methods for determination of hydrogen cyanide in exhaust gas
KS M 2096-2013 Method for determination of cadmium and lead in stack gas
KS B 5356-1981 Continuous analyzers for chlorine in ambient air
KS M 2102-2005 Methods for determination of hydrogen chloride in flue gas
KS M 2103-2004 Analytical methods for determination of hydrogen sulfide in exhaust gas
KS M 2096-2006 Method for determination of cadmium and lead in stack gas
KS M 0027-2008 General rules for analytical methods in gas chromatography mass spectrometry
KS B 5356-2001 Continuous analyzers for chlorine in ambient air
KS M 2096-1985 Method for determination of cadmium and lead in stack gas
KS D ISO 793-2002(2017) Aluminium and aluminium alloys－Determination of iron－Orthophenanthroline photometric method
KS B 5360-1990 Continuous Analysers for Oxides of Nitrogen in Ambient Air
KS B 5360-2001 Continuous Analysers for Oxides of Nitrogen in Ambient Air
KS M 2097-2005 Methods for determination of carbon monoxide in flue gas
KS M 2099-2005 Methods for determination of fluorine compounds in exhaust gas
KS E 3707-2001 Determination of calorific value of coal and coke
KS L 1613-2011 Methods for chemical analysis of fine silicon nitride powers for fine ceramics
KS L 3318-1998 METHODS FOR CHEMICAL ANALYSIS OF FINE SILICON NITRIDE POWDERS FOR FINE CERAMICS
KS L 3318-1988 METHODS FOR CHEMICAL ANALYSIS OF FINE SILICON NITRIDE POWDERS FOR FINE CERAMICS
KS E ISO 11722-2017(2022) Solid mineral fuels — Hard coal — Determination of moisture in the general analysis test sample by drying in nitrogen
KS K ISO 1833-15:2009 Textiles－Quantitative chemical analysis－Part 15：Mixtures of jute and certain animal fibers (method by determining nitrogen content)
KS I ISO 6142-2015(2020) Gas analysis－Preparation of calibration gas mixtures－Gravimetric method
KS I ISO 13395:2008 Water quality-Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
KS I ISO 6145-2-2015(2020) Gas analysis－Preparation of calibration gas mixtures using dynamic volumetric methods－Part 2：Volumetric pumps
KS I ISO 6144-2015(2020) Gas analysis－Preparation of calibration gas mixtures－Static volumetric method
KS B 5354-2003 Continuous analyzers for dioxide sulfur in flue gas
KS K ISO 1833-15:2022 Textiles — Quantitative chemical analysis —Part 15: Mixtures of jute with certain animal fibres (method by determining nitrogen content)

British Standards Institution (BSI), Nitrogen Analysis

BS ISO 21687:2007 Carbonaceous materials used in the production of aluminium - Determination of density by gas pyknometry (volumetric) using helium as the analysis gas - Solid materials
BS 5551-4.1.1:1981 Fertilizers - Chemical analysis - Determination of nitrogen - Nitron gravimetric method for determination of nitrate nitrogen
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 13395:1996 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
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 6200-3.22.3:1986 Sampling and analysis of iron, steel and other ferrous metals. Methods of analysis. Determination of nitrogen. Steel: spectrophotometric method (for trace amounts)
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
BS 5551 SubSec.4.1.2:1982 Fertilizers. Chemical analysis. Determination of nitrogen. Determination of ammoniacal nitrogen, titrimetric method after distillation
BS 5551-4.1.2:1982 Fertilizers. Chemical analysis. Determination of nitrogen. Determination of ammoniacal nitrogen, titrimetric method after distillation
BS 1016-106.2:1997 Methods for analysis and testing of coal and coke - Ultimate analysis of coal and coke - Determination of nitrogen content
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 1742 Sec.5.1:1991 Methods for chemical analysis of condensed milks. Determination of nitrogen content. Reference method
DD ISO/TS 12902:2002 Solid mineral fuels. Determination of total carbon, hydrogen and nitrogen. Instrumental methods
BS 1742 Sec.5.2:1991 Methods for chemical analysis of condensed milks. Determination of nitrogen content. Routine method
BS ISO 15672:2000 Rubber and rubber additives - Determination of total nitrogen content using an automatic analyser
BS 5551 SubSec.4.1.4:1984 Fertilizers. Chemical analysis. Determination of nitrogen. Method for determination of ammoniacal nitrogen content in the presence of other substances which release ammonia when treated with sodium hydroxide (titrimetric method)
BS ISO 6142-1:2015+A1:2020 Gas analysis. Preparation of calibration gas mixtures - Gravimetric method for Class I mixtures
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 EN ISO 1833-15:2011 Textiles. Quantitative chemical analysis. Mixtures of jute and certain animal fibres (method by determining nitrogen content)
BS EN ISO 1833-15:2010 Textiles. Quantitative chemical analysis. Mixtures of jute and certain animal fibres (method by determining nitrogen content)
BS EN 14211:2005 Ambient air quality - Standard method for the measurement of the concentration of nitrogen dioxide and nitrogen monoxide by chemiluminescence
BS 1741-5.1:1988 Methods for chemical analysis of liquid milk and cream - Determination of the nitrogen content of liquid milk - Reference method
BS ISO 11722:2013 Solid mineral fuels. Hard coal. Determination of moisture in the general analysis test sample by drying in nitrogen
BS 6200-3.22.1:1992 Sampling and analysis of iron, steel and other ferrous metals - Methods of analysis - Determination of nitrogen - Steel: volumetric method
BS ISO 10362-1:1999+A1:2011 Cigarettes. Determination of water in smoke condensates. Gas-chromatographic method
BS EN ISO 1833-15:2019 Textiles. Quantitative chemical analysis - Mixtures of jute with certain animal fibres (method by determining nitrogen content)
BS EN ISO 2614:2023 Analysis of natural gas. Biomethane. Determination of terpenes' content by micro gas chromatography
BS 1741-5.2:1990 Methods for chemical analysis of liquid milk and cream - Determination of the nitrogen content of liquid milk - Routine method
BS EN ISO 6142-1:2015 Tracked Changes. Gas analysis. Preparation of calibration gas mixtures. Gravimetric method for Class I mixtures

Japanese Industrial Standards Committee (JISC), Nitrogen Analysis

JIS B 7953:1997 Continuous analysers for oxides of nitrogen in ambient air
JIS B 7982:2002 Automated measuring systems and analyzers for nitrogen oxides in flue gas
JIS B 7988:2007 Continuous analyzers for dinitrogen monoxide in flue gas
JIS R 1640:2002 Methods for the quantitative phase analysis of silicon nitride
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 K 0808:2008 Automatic total nitrogen analyzer
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 D 1030:1998 Automobiles -- Analytical procedure for measurement of carbon monoxide, carbon dioxide, total hydrocarbons and oxides of nitrogen in exhaust gas
JIS K 8826:2004 Sodium hydroxide for nitrogen compounds analysis
JIS K 8826:1998 Sodium hydroxide for nitrogen compounds analysis
JIS K 0104:2000 Methods for determination of nitrogen oxides in flue gas
JIS B 7994:2016 Continuous analyzer for mercury in flue gas
JIS B 7994:2021 Continuous analyzer for mercury in flue gas
JIS K 8826 AMD 1:2006 Sodium hydroxide for nitrogen compounds analysis (Amendment 1)
JIS K 0104:1984 Methods for determination of oxides of nitrogen in flue gases
JIS K 0104:2011 Methods for determination of nitrogen oxides in flue gas
JIS K 0227:1984 Analytical method for trace nitrogen oxides in diluent gas and zero gas
JIS B 7983:1994 Continuous analyzers for oxygen in flue gas

CZ-CSN, Nitrogen Analysis

CSN ON 65 4510-1962
CSN 42 0566 Cast.7-1987 Chemical analysis of manganese. Determination of nitrogen content
CSN 42 0525-1980 Chemical analysis of technical iron. Determination of the nitrogen content
CSN 72 2030 Cast.4-1992 Chemical analysis of blast furnace slag. Determination of barium oxide content
CSN EN 10 179-1993 Chemical analysis of ferrous metals — Determination of nitrogen (trace amounts) in steels — Spectrophotometric method
CSN 42 0550 Cast.9-1984 Chemical analysis of ferroalloys. Analysis of ferrochromium. Determination of nitrogen
CSN 83 4728 Cast.1-1984 Air quality. Emission measurement of ammonia from stationary sources of air pollution. General part
CSN 83 0540 Cast.13-1984 Chemical and physical analysis of waste water Determination of organic and total 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

German Institute for Standardization, Nitrogen Analysis

DIN 12702:1978 Laboratory glassware; volumetric glassware for gas analysis, gas burettes, azotometers, eudiometers, nitrometers
DIN ISO 13878:1998 Soil quality - Determination of total nitrogen content by dry combustion ("elemental analysis") (ISO 13878:1998)
DIN 12702:1978-10 Laboratory glassware; volumetric glassware for gas analysis, gas burettes, azotometers, eudiometers, nitrometers
DIN 33962:1997 Measurement of gaseous emissions - Automatic measurement systems for single measurements of nitrogen monooxide and nitrogen dioxide
DIN EN 10179:1990-04 Chemical analysis of ferrous materials; determination of nitrogen (trace amounts) in steels; spectrophotometric method; German version EN 10179:1989
DIN 51896-1:1991 Gas analysis; quantities of compositions, compressibility factor; basis
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 10179:1990 Chemical analysis of ferrous materials; determination of nitrogen (trace amounts) in steels; spectrophotometric method; German version EN 10179:1989
DIN EN ISO 13395:1996-12 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection (ISO 13395:1996); German version EN ISO 13395:1996
DIN ISO 14255:1998 Soil quality - Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant (ISO 14255:1998)
DIN EN ISO 6142-1:2015-12 Gas analysis - Preparation of calibration gas mixtures - Part 1: Gravimetric method for Class I mixtures (ISO 6142-1:2015); German version EN ISO 6142-1:2015
DIN EN ISO 6570:2004 Natural gas - Determination of potential hydrocarbon liquid content - Gravimetric methods (ISO 6570:2001); German version EN ISO 6570:2004
DIN EN ISO 1833-15:2020-03 Textiles - Quantitative chemical analysis - Part 15: Mixtures of jute with certain animal fibres (method by determining nitrogen content) (ISO 1833-15:2019); German version EN ISO 1833-15:2019
DIN 51893:2013 Gas analysis - Requirements for specifications of analysers/analytical equipment
DIN 51893:2013-12 Gas analysis - Requirements for specifications of analysers/analytical equipment
DIN EN 14211:2012-11 Ambient air - Standard method for the measurement of the concentration of nitrogen dioxide and nitrogen monoxide by chemiluminescence; German version EN 14211:2012 / Note: To be replaced by DIN EN 14211 (2022-11).
DIN EN 14211:2022-11 Ambient air - Standard method for the measurement of the concentration of nitrogen dioxide and nitrogen monoxide by chemiluminescence; German and English version prEN 14211:2022 / Note: Date of issue 2022-09-30*Intended as replacement for DIN EN 14211 ...

Professional Standard - Building Materials, Nitrogen Analysis

JC/T 2342-2015 Method for the quantitative phase analysis of silicon nitride

Military Standard of the People's Republic of China-General Armament Department, Nitrogen Analysis

GJB 770.303-1989 Test methods for gunpowder analysis: Determination of nitrogen content of nitrocellulose. Five-tube nitrogen meter method
GJB 507-1988 Boron nitride chemical analysis method
GJB 8682.11-2015 Methods of chemical analysis of pyrotechnics Part 11: Determination of barium nitrate content and nitrogen determination method
GJB 770.308-1990 Test methods for gunpowder analysis Determination of nitrogen content of nitrocellulose Ferrous iron-titanium chloride method
GJB 860A-2006 Analysis for electric load and power source capacity of aircraft
GJB 860-1990 Aircraft electrical load and power capacity analysis

Association of German Mechanical Engineers, Nitrogen Analysis

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
VDI 2469 Blatt 1-2005 Gaseous emission measurement - Measurenment of nitrous oxide - Manual gas chromatographic method
VDI 3490 Blatt 4-1980 Measurement of gases; preparation of calibration gas mixtures by gravimetric methods

NL-NEN, Nitrogen Analysis

NEN 6646-1990 Water - Photometric determination of the content of ammonium nitrogen and of the sum of the contents of ammoniacal and organically bound nitrogen according to Kjeldahl by continuous flow analysis
NEN 2038-1979 Air quality - Calibration gas mixture of nitrogen monoxide in nitrogen - Gravimetric preparation
NEN 2045-1981 Air quality - The calibration of measuring methods for nitrogen monoxide, nitrogen dioxide and ozone by means of gas-phase titration
NEN 2044-1985 Air quahty - txhaust gases Wet chemical determination of nitrogen oxides content

HU-MSZT, Nitrogen Analysis

MSZ 21456/31-1983

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, Nitrogen Analysis

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
GB/T 33360-2016 Gas analysis—Guidelines for purification of gases for trace analysis instrument
GB/T 13747.22-2017 Methods for chemical analysis of zirconium and zirconium alloys—Part 22：Determination of oxygen and nitrogen contents—Inert gas fusion-infrared absorption and thermal conductivity method
GB/T 34500.5-2017 Chemical analysis methods for rare earth residue and waste water—Part 5：Determination of ammonia nitrogen content
GB/T 19143-2017 Analytical method of element for carbon,hydrogen ,oxygen and nitrogen in rock organics
GB/T 14265-2017 General rule of chemical analysis for hydrogen,oxygen,nitrogen,carbon and sulfur in metallic materials

工业和信息化部, Nitrogen Analysis

YS/T 1467.10-2021 Hafnium Chemical Analysis Methods Part 10: Determination of Oxygen and Nitrogen Amounts
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 4528-2016 Determination of nitrogen content in ferrochromium nitride and high nitrogen ferrochrome by inert gas melting thermal conductivity method
YB/T 4529-2016 Determination of nitrogen content in manganese iron nitride by inert gas melting thermal conductivity method
YB/T 4566.1-2016 Determination of nitrogen content in vanadium iron nitride by inert gas melting thermal conductivity method
YS/T 1075.11-2022 Methods for chemical analysis of vanadium-aluminum and molybdenum-aluminum master alloys Part 11: Determination of nitrogen content Inert gas melting thermal conductivity method
YS/T 540.4-2018 Methods for chemical analysis of vanadium Part 4: Determination of iron content 1,10-phenanthroline spectrophotometric method
YS/T 1563.6-2022 Methods for chemical analysis of molybdenum-rhenium alloys Part 6: Determination of oxygen and nitrogen content Inert gas melting-infrared absorption method and thermal conductivity method

VN-TCVN, Nitrogen Analysis

TCVN 305-2010 Steel and iron.Determination of nitrongen content.Methods of chemical analysis.
TCVN 6645-2000 Soil quality.Determination of total nitrogen content by dry combustion ("elemental analysis")
TCVN 5465-15-2009 Textiles.Quantitative chemical analysis.Part 15: Mixtures of jute and certain animal fibres (method by determining nitrogen content)
TCVN 6643-2000 Soil quality.Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant

TR-TSE, Nitrogen Analysis

TS 2428-1976 METHODS FOR THE CHEMICAL ANALYSIS OF IRON AND STEELS DETERMINATION OF NITROGEN CONTENT
TS 3651-1981 METHODS FOR THE ANALYSIS OF WATER — DETERMINATION OF IRON CONTENT — 1,10 Phenanthroline Spectrophotometry Method

Taiwan Provincial Standard of the People's Republic of China, Nitrogen Analysis

CNS 188-1971 Method of Analysis for Calcium Cyanamide
CNS 3572-1973 Chemical Analysis of Natural Rubber (Nitrogen)
CNS 12786-1990 Method of Chemical Analysis for Silicon Nitride Powders
CNS 10509-1983 Methods of Chemical Analysis for Nitrogen in Ferrochromium

Association Francaise de Normalisation, Nitrogen Analysis

NF X31-418*NF ISO 13878:1998 Soil quality. Determination of total nitrogen content by dry combustion ("elemental analysis").
NF A06-654:1993 Chemical analysis of titanium alloys. Determination of nitrogen content. Titrimetric method.
NF ISO 13878:1998 Qualité du sol - Détermination de la teneur totale en azote par combustion sèche ("analyse élémentaire")
NF T20-295:1968 CHEMICAL ANALYSIS OF SULPHURIC ACID AND OLEUM. DETERMINATION OF TOTAL NITROGEN.
NF A06-654:2020 Chemical analysis of titnium and titanium alloys - Determination of nitrogen content - Titrimetric method
NF A06-323:1987 Chemical analysis of steels. Determination of nitrogen content. Molecular absorption spectrophotometric method.
NF T90-080:1997 Water quality - Determination of ammonium nitrogen by flow analysis (CFA and FIA) and spectrometric detection.
NF T90-012*NF EN ISO 13395:1996 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection.
NF ISO 1656:2019 Caoutchouc brut naturel et latex de caoutchouc naturel - Dosage de l'azote
NF A06-373*NF EN 10179:1989 Chemical analysis of ferrous materials. Determination of nitrogen (trace amounts) in steels. Spectrophotometric method.
NF V04-221-5:2002 Milk - Determination of nitrogen content - Part 5 : determination of protein-nitrogen content.
NF G06-006-15:2006 Textiles - Quantitative chemical analysis - Part 15 : mixtures of jute and certain animal fibres (method by determining nitrogen content).
NF G06-006-15:2010 Textiles - Quantitative chemical analysis - Part 15 : mixtures of jute and certain animal fibres (method by determining nitrogen content).
NF V04-221-4:2002 Milk - Determination of nitrogen content - Part 4 : determination of non-protein nitrogen content.
NF EN ISO 1833-15:2019 Textiles - Analyse chimique quantitative - Partie 15 : mélanges de jute avec certaines fibres animales (méthode par détermination de la teneur en azote)
NF EN ISO 17947:2023 Céramiques techniques - Méthodes pour l'analyse chimique de poudres fines de nitrure de silicium
NF EN ISO 21814:2022 Céramiques techniques - Méthodes d'analyse chimique des poudres de nitrure d'aluminium
NF X20-202:1979 Gas analysis. Preparation of calibration gas mixtures. Gravimetric methods.
NF X20-520*NF EN ISO 6570:2005 Natural gas - Determination of potential hydrocarbon liquid content - Gravimetric methods.
NF EN ISO 6142-1:2015 Analyse des gaz - Préparation des mélanges de gaz pour étalonnage - Partie 1 : méthode gravimétrique pour les mélanges de Classe I
NF X43-025:1988 Air quality. Ambient air. Determination of polycyclic aromatic hydrocarbons. High pressure liquid chromatography and gaz chromatography determination.
NF X20-530:1984 Natural gas. Determination of water and methanol contents. Gas chromatographic method.
NF X43-009:1973 Nitrogen dioxyde content of the atmosphere (griess saltzman reaction).
NF A06-725:1992 Analyse chimique du cuivre - Dosage de l'oxygène - Méthode instrumentale.
X20-377:1980 Gas analysis. METHODS2OF analysis of oxygen based on the paramagnetic properties of this gas.
NF EN 14211:2012 Air ambiant - Méthode normalisée pour le mesurage de la concentration en dioxyde d'azote et monoxyde d'azote par chimiluminescence
NF EN ISO 6570:2005 Gaz naturel - Détermination de la teneur en hydrocarbures liquides potentiels - Méthodes gravimétriques

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, Nitrogen Analysis

GB/T 6625-1986 Test methods for nitrogen content of nitrogen-doped getter
GB/T 15076.13-1994 Methods for chemical analysis of tantalum and niobium-Determination of nitrogen content in tantalum
GB/T 4325.23-2013 Methods for chemical analysis of molybdenum.Part 23:Determination of oxygen and nitrogen contents.Inert gas fusion-infrared absorption and thermal conductivity method
GB/T 5687.4-1985 Methods for chemical analysis of ferro-chromium--The neutralization titration method for the determination of nitrogen content
GB 223.36-1985 Methods for chemical analysis of iron,steel and alloy--The volumetric method for the determination of nitrogen content after distillation separation
GB 223.37-1985 Methods for chemical analysis of iron, steel and alloys Distillation separation-volumetric determination of nitrogen content
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 4698.7-2011 Methods for chemical analysis of titanium sponge, titanium and titanium alloys.Determination of oxygen and nitrogen content
GB/T 4324.26-1984 Methods for chemical analysis of tungsten--The Nessler reagent photometric method for the determination of nitrogen content
GB/T 4325.26-1984 Methods for chemical analysis of molybdenum--The nessler reagent photometric method for the determination of nitrogen content
GB/T 4324.6-1984 Methods for chemical analysis of tungsten--The ortho-phenanthroline photometric method for the determination of iron content
GB/T 4325.15-1984 Methods for chemical analysis of molybdenum--The chlorophosphonazo 1 photometric method for the determination of magnesium content
GB/T 4325.6-1984 Methods for chemical analysis of molybdenum--The ortho-phenanthroline photometric method for the determination of iron content
GB/T 4324.15-1984 Methods for chemical analysis of tungsten--The chlorophosphonazo I photometric method for the determination of magnesium content
GB/T 8220.2-1998 Methods for chemical analysis bismuth--Determination of iron content--1,10-Phenanthroline photometric method
GB/T 20931.9-2007 Methods for chemical analysis of lithium Determination of nitrogen content Mercuric potassium iodide spectrophotometric method
GB/T 20931.4-2007 Methods for chemical analysis of lithium Determination of iron content Orthopenanthroline spectrophotometric method
GB/T 13906-1992 Air quality.Determination of nitrogen oxides
GB/T 10410.2-1989 Analysis of natural gas normal composition by gas chromatography
GB/T 24583.2-2009 Vanadium-Nitrogen alloy.Determination of nitrogen content.Thermal conductimetric method after fusion in a current of inert gas
GB/T 14849.1-1993 Silicon metal.Determination of iron content.1,10-Phenanthroline spectrophotometric method
GB/T 8158.4-1987 Methods for chemical analysis of sodium fluoride--The 1,10-phenanthroline spectro photometric method for the determination of iron content
GB/T 8654.1-1988 Methods for chemical analysis of manganese metal--The ortho-phenanthroline photometric method for the determination of iron content
GB/T 14605-1993 Determination of trace argon, nitrogen and krypton inoxygen. Gas chromatographic method
GB/T 223.36-1994 Methods for chemical analysis of iron, steel and alloy. The neutral titration method for the determinaion of nitrogen content after distillation separation
GB/T 10574.5-1989 Tin-lead solders--Determination of iron content--1,10-phenanthroline spectrophotometric method
GB/T 16480.5-1996 Method for chemical analysis of yttrium and yttium oxide--Determination of nitrogen content
GB/T 6730.24-1986 Methods for chemical analysis of iron ores--The arsenazo 3 photometric method for the determination of rare earth elements 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 4324.26-2012 Methods for chemical analysis of tungsten.Part 26:Determination of nitrogen content.Pulse heating inert gas fusion-thermal conductive method and the Nessler reagent spectrophotometry
GB/T 6987.4-2001 Aluminium and aluminium alloys--Determination of iron content--Orthopenanthroline photometric method
GB/T 7315.3-1987 Methods for chamical analysis of vanadium pentixide--The ortho-phenanthroline spectrophotometric method forthe determination of iron content
GB/T 13747.2-1992 Zirconium and zirconium alloys--Determination of iron content--1,10-phenanthroline spectrophotometric method
GB/T 13748.4-1992 Magnesium and its alloys--Determination of cerium content--Tribromoarsenazo spectrophotometric method
GB 223.37-1989 Methods for chemical analysis of iron,steel and alloy The indophenol blue photometric methods for the determination of nitrogen content after distillation seperation
GB/T 13748.5-1992 Magnesium and its alloys--Determination of iron content--Orthophenanthroline spectrophotometric method
GB/T 223.37-1989 Methods for chemical analysis of iron,steel and alloy--The indophenol blue photometric methods for the determination of nitrogen content after distillation separation
GB/T 6609.4-1986 Methods for chemical analysis of aluminium oxide--The orthophenanthroline photometric method for the determination of ferric oxide content
GB/T 4375.4-1984 Methods for chemical analysis of gallium--The 4,7-diphenyl-1,10-phenanthroline photometric method for the determination of iron content
GB/T 15076.4-2020 Methods for chemical analysis of tantalum and niobium—Part 4:Determination of iron content—1,10-Phenanthroline spectrophotometry
GB/T 2910.15-2009 Textiles.Quantitative chemical analysis.Part 15:Mixtures of jute and certain animal fibres(method by determining nitrogen content )
GB/T 4375.2-1984 Methods for chemical analysis of gallium--The 4-(2-pyridylazo)-resorcinol photometric method for the determination of lead content
GB/T 8156.7-1987 Methods for chemical analysis of aluminium fluoride for industrial use--The 1,10-phenanthroline photometric method for the determination of iron content
GB/T 22923-2008 Determination of nitrogen,phosphorus and potassium for fertilizers by auto analyzer
GB/T 23278.2-2009 Methods for chemical analysis of sodium stannate.Part 2:Determination of iron content.1,10-phenanthroline photometric method
GB/T 10410-2008 Analysis of manufactured gas and liquefied petroleum gas normal composition by gas chromatography
GB/T 223.33-1994 Methods for chemical analysis of iron,steel and alloy. The chlorophosphonazo mA photometric method for the determination of cerium content after extraction separation
GB 223.33-1984 Methods for chemical analysis of iron,steel and alloy--The chlorophosphonazo mA photometric method for the determination of cerium content after extraction separation
GB/T 13748.9-2005 Chemical analysis methods of magnesium and magnesium alloys.Determination of iron content.Orthopenanthroline spectrophotometric method
GB/T 6730.44-1986 Methods for chemical analysis of iron ores--The 1-(2-pyridylazo)-2-naphthol photometric method for the determination of zinc content
GB/T 23274.2-2009 Methods for chemical analysis of stannic oxide.Part 2:Determination of iron content.1，10-phenanthroline photometric method
GB/T 14849.1-2007 Methods for chemical analysis of silicon metal-Part 1:Determination of iron content-1,10-Phenanthrolion spectrophotometric method
GB/T 13747.23-1992 Zirconium and zirconium alloys--Determination of nitrogen content--Distillation--Nessler reagent spectrophotometric method
GB/T 5274-1985 Gas analysis--Preparation of calibration gas mixtures--Weighing methods
GB/T 5274-2008 Gas analysis.Preparation of calibration gas mixtures.Gravimetric method
GB/T 3253.2-2008 Methods for chemical analysis of antimony and antimony trioxide.Determination of iron content.Orthophenanthroline spectrophotometric method
GB/T 4698.2-1996 Sponge titanium, titanium and titanium alloys--Determination of iron content--1,10-Phenanthroline spectrophotometric method
GB/T 10574.7-1989 Tin-lead solders--Determination of copper content--2,9-dimethyl-1,10-phenanthroline spetrophotometric 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 2085.4-2014 Aluminum powder.Part 4:Nitrogen atomized aluminum powder
GB/T 13748.9-2013 Chemical analysis methods of magnesium and magnesium alloys.Part 9:Determination of iron content.Orthopenanthroline spectrophotometric method
GB/T 3257.5-1999 Methods for chemical analysis of bauxite--Determination of iron oxide content--Orthophenanthroline photometric method
GB/T 4374.2-1984 Methods for chemical analysis of magnesium powders and aluminum-magnesium alloy powders--The 1,10-phenanthroline photometric method for the determination of iron content
GB/T 8423.4-2022 Petroleum and natural gas industries terminology — Part 4: Measurement and analysis of petroleum and natural gas
GB/T 8705.2-1988 Methods for chemical analysis of ferrophosphorus--The gasometric method for the determination of carbon content
GB/T 3653.2-1983 Methods for chemical analysis of ferroboron--The gasometric method for the determination of carbon content
GB/T 13747.6-1992 Zirconium and zirconium alloys--Determination of copper content-2,9-dimethyl-1,10-phenanthroline spectrophotometric method
GB/T 12690.19-1990 Rare-earth metals and their oxides--Determination of iron content--1,10-phenanthroline spectrophotometric method
GB 223.49-1985 Methods for chemical analysis of iron,steel and alloy--The extraction separation-chlorophosphonazo mA photometric method for the determination of rare earth elements
GB/T 4375.5-1984 Methods for chemical analysis of gallium--The N2O-C2H2flame atomic absorption spectrophotometric method for the determination of calcium content
GB/T 13748.8-1992 Magnesium and its alloys--Determination of copper content-2,9-dimethyl-1,10-phenanthroline spectrophotometric method
GB/T 14265-1993 General rule of chemical analysis for hydrogen, oxygen, nitrogen, carbon and sulfur in metal's materials
GB/T 32492-2016 Content of dimethyl ether in liquefied petroleum gas by gas chromatography
GB/T 223.49-1994 Methods for chemical analysis of iron,steel and alloy. Extraction separation-chlorophosphonazo mA spectrophotometric method for the determination of the total rare tarth content
GB/T 20975.4-2008 Methods for chemical analysis of aluminium and aluminium alloys.Part 4: Determination of iron content.Orthopenanthroline photometric method
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 4375.1-1984 Methods for chemical analysis of gallium--The 2,9-dimethyl-4,7-diphenyl-1,10-phenanthroline photometric method for the determination of copper content
GB/T 6610.4-2003 Chemical analysis methods of aluminium hydroxide Determination of ferric oxide content-Orthophenanthroline photometric method
GB/T 36090-2018 Gas analysis.Guide for quality assurance of on line automatic measuring system
GB/T 3169.6-1982 Chemical analysis of aluminum powder--The gasometric method for determination of grease
GB/T 9506.6-1988 Test method for barium film distribution of nitrogen-doped getter

API - American Petroleum Institute, Nitrogen Analysis

API PUBL 4340-1981 Evaluation and Analysis of Nitrogen Dioxide Aerometric Data (Withdrawn)

Professional Standard - Commodity Inspection, Nitrogen Analysis

SN/T 3097-2012 Determination of total nitrogen in fertelezers.Combustion
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

AT-ON, Nitrogen Analysis

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
ONORM L 1095-2002 Chemical analyses of soils - Determination of total nitrogen by dry combustion

Danish Standards Foundation, Nitrogen Analysis

DS 224:1975 Water analysis. Determination of ammonia-nitrogen
DS/EN 10179:1989 Chemical analysis of ferrous materials. Determination of nitrogen (trace amount) in steels. Spectrophotometric 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 ISO 8968-1:2002 Milk - Determination of nitrogen content - Part 1: Kjeldahl method
DS/EN ISO 6142:2007 Gas analysis - Preparation of calibration gas mixtures - Gravimetric method
DS/IEC/TR 62725:2013 Analysis of quantification methodologies of greenhouse gas emissions for electrical and electronic products and systems

PL-PKN, Nitrogen Analysis

PN H04206-06-1986 Chemical analysis of ferro-alloys Ferroehrom Determination of nitrogen content
PN H04232-08-1986 Chemical analysis of alloy components Chromium metallic Determination of nitrogen
PN H04221-1968 Chemical analysis of ?erro-alloys Ferro-manganese nitriding
PN H04222-1974 Chemical analysis of ferroalloys Ferrochromium nitriding
PN Z04092-08-1989 Air purity protection Tests for nitric acid and nitrogen oxides Determination of nitrogen dioxide in ambient air (imision) by spectrophotometric method with passive sampling
PN EN 10179-1992 Chemical analysis of ferrous materials. Determination of nitrogen (trace amounts) in steels. Spectrophotometric method
PN G04561-1992 Solid fuels. Determination of nitrogen with the use of the Perkin-Elmer analyser
PN Z04075-1961 Speedy Me?hod for De?er mina?ion of Ni?rogen Oxyde* in Air

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

GB/T 38386-2019 Gas analysis—Determination of oxynitride in gases—The method of Cavity Ring-Down Spectroscopy
GB/T 37186-2018 Gas analysis—Determination of sulfur dioxide and nitrogen oxides—Ultraviolet differential optical absorption spectroscopy
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 24583.2-2019 Vanadium-nitrogen—Determination of nitrogen content—Thermal conductimetric method after fusion in a current of inert gas
GB/T 40535.1-2021 Test methods of continuous nitride ceramic fibers—Part 1：Nitrogen content

BE-NBN, Nitrogen Analysis

NBN T 91-255-1976 Water analysis methods - Determination of the ammoniacal and organic nitrogen - (Kjeldahl nitrogen)
NBN T 03-041-1979 Nitric acid for industrial use - Determination of ammoniacal nitrogen content - Spectrophotometric method
NBN T 91-253-1976 Water analysis methods - Determination of the albuminoid nitrogen
NBN T 03-024-1979 Sulphuric acid and oleum for industrial use - Determination of ammoniacal nitrogen content - Spectrophotometric method
NBN T 91-252-1976 Water analysis methods - Determination of the ammoniacal nitro-gen after preliminary distillation
NBN-EN 10179-1992 Chemical analysis of ferrous materials. Determination of nitrogen (trace amounts) in steels. Spectrophotometric method
NBN T 91-257-1977 Water analysis methods - Determination of the nitrite nitrogen - Photoraetric method

Natural Gas Processor's Association (NGPA), Nitrogen Analysis

GPA STD 2177-2013 Analysis of Natural Gas Liquid Mixtures Containing Nitrogen and Carbon Dioxide by Gas Chromatography
GPA STD 2103-2003 Tentative Method for the Analysis of Natural Gas Condensate Mixtures Containing Nitrogen and Carbon Dioxide by Gas Chromatography
GPA STD 2177-2003 Analysis of Natural Gas Liquid Mixtures Containing Nitrogen and Carbon Dioxide by Gas Chromatography
GPA STD 2186-2014 Method for the Extended Analysis of Hydrocarbon Liquid Mixtures Containing Nitrogen and Carbon Dioxide by Temperature Programmed Gas Chromatography

YU-JUS, Nitrogen Analysis

JUS H.F8.131-1986 Gases. Determination of nitrogen content. Indirect method
JUS H.F8.132-1986 Gases. Determination of nitrogen content. Gas chromatographic method
JUS B.H8.320-1988 Methods of analysis of coal and coke. Determination of nitrogen ccmtent - Makro Kjeldahl nethod
JUS C.A1.409-1982 Methods for chemical analysi$ of ferroalloys. Titrimetric determination ofnitrogen in ferro-chromium
JUS F.S3.143/1-1992 Testing (Quantitative analysis) of fibres mixtures. Binary mixtures of jute and certain animal fibres. Method by determining nitrogen content. Amendments

国家质量监督检验检疫总局, Nitrogen Analysis

SN/T 4764-2017 Elemental analyzer method for determination of carbon, hydrogen, nitrogen and sulfur content in coal

SE-SIS, Nitrogen Analysis

SIS SS 02 81 33-1991 Determination of the sum of the nitrite and nitrate nitrogen content of water
SIS SS 02 84 25-1991 Air quality — Stationary source emissions — Determination of the mass concentration of nitrogen oxides — Performance characteristics and calibration of automated measuring systems
SIS SS-EN 10 179-1989 Chemical analysis of ferrous materials — Determination of nitrogen (trace amounts) in steel — spectrophotometric method
SIS SS 02 84 15-1980 Workplace atmosphere — Nitrogen dioxide content in air — Colorimetric method
SIS SS 02 84 13-1980 Workplace atmosphere - Content of lower aldehydes and ketones in air — Volumetric method
SIS SS 02 84 14-1980 Workplace atmosphere — Formaldehyde content in air — Colorimetric method

AENOR, Nitrogen Analysis

UNE 77325:2003 Soil quality. Determination of total nitrogen content by dry combustion ("elemental analysis").
UNE 36317-2:1989 Chemical analysis of ferrous materials - Determination of nitrogen (trace mounts) in steel - Spectrophotometric method
UNE 34080:1974 ANALYSIS METHODS FOR CHOCOLATES. DETERMINATION OF TOTAL NITROGEN. (PROTEINS).
UNE 53375-1:2007 Plastics. Determination of carbon black content of polyolefins and its products. Part 1: Nitrogen atmosphere test

(U.S.) Ford Automotive Standards, Nitrogen Analysis

FORD FLTM AK 103-02-2001 QUANTITATIVE ANALYSIS OF NITRITE (AS NO2) IN CLEANERS

Professional Standard - Ferrous Metallurgy, Nitrogen Analysis

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 174.4-2000 Chemical analysis for silicon nitride bonded silicon carbide product.Determination of iron oxide content.o-Phenanthroline photometric method
YB/T 5330-2006 Vanadium pentoxide chemical analysis method o-phenanthroline spectrophotometric method for determination of iron content
YB/T 4013-1991 Method for chemical analysis of high-quality magnesia
YB/T 5340-2006 Ferrophosphorus Chemical Analysis Method Gas Volumetric Method Determination of Carbon Content
YB/T 174.2-2000 Chemical analysis for silicon nitride bonded silicon carbide product.Determination of silicon carbide content.High pressure dissolve specimen method
YB/T 174.3-2000 Chemical analysis for silicon nitride bonded silicon carbide product.Determination of free silicon content.Molybdenum blue photometric method

Professional Standard - Non-ferrous Metal, Nitrogen Analysis

YS/T 904.1-2013 Methods for chemical analysis of iron-chromium-aluminum fiber.Part 1:Determination of nitrogen content.Inert gas fusion thermal conductivity method
YS/T 74.7-1994 Cadmium Chemical Analysis Method 1,10-Phenanthroline Spectrophotometric Determination of Iron Content
YS/T 536.2-2006 Bismuth Chemical Analysis Method 1,10-Phenanthroline Spectrophotometric Determination of Iron Content
YS/T 861.2-2013 Methods for chemical analysis of niobium-titanium alloy.Part 2:Determination of oxygen and nitrogen content.Inert gas fusion infrared/thermal conductivity method
YS/T 535.4-2006 Sodium fluoride chemical analysis method o-phenanthrene spectrophotometric determination of iron content
YS/T 74.7-2010 Mehtods for chemical analysis of cadmium- Part 7:Determination of iron content- 1,10-Phenanthroline spectrophotometry
YS/T 520.4-2006 Gallium Chemical Analysis Method 4,7-Diphenyl-1,10-Phenanthroline Spectrophotometric Determination of Iron Content
YS/T 372.18-2006 Methods for elementary analysis of precious alloy. Determination of gadolinium content. Chlorophosphonazo Ⅲ spectrophotometry
YS/T 372.19-2006 Methods for elementary analysis of precious alloy. Determination of yttrium content.Chlorophosphonazo Ⅲ spectrophotometry
YS/T 520.2-2006 Gallium Chemical Analysis Method 4-(2-Pyridylazo)-Resorcinol Spectrophotometric Determination of Lead Content
YS/T 535.4-2009 Chemical analysis methods of sodium fluoride.Part 4:Determination of iron content.1,10-phenanthroline spectrophotometric method
YS/T 239.6-2010 Methods for chemical analysis of antimony trisulfide- Part 6:Determination of iron content-Neighbouring phenanthroline spectrophotometric method
YS/T 575.5-2006 Bauxite ore chemical analysis method o-phenanthrene spectrophotometric determination of ferric oxide content
YS/T 520.5-2006 Gallium Chemical Analysis Method for Determination of Calcium by Nitrous Oxide-Acetylene Flame Atomic Absorption Spectrophotometry
YS/T 520.4-2007 Chemical analysis of gallium.Part 4: Determination of iron content.The 4,7-diphenyl-1,10-phenanthroline spectrophotometric method
YS/T 575.14-2006 Chemical analysis method of bauxite ore-tribromoarsine spectrophotometric determination of total rare earth oxides
YS/T 520.1-2006 Gallium chemical analysis method 2,9-Dimethyl-4,7-diphenyl-1,10-phenanthrene-diazepine spectrophotometric determination of copper content
YS/T 534.4-2006 Aluminum Hydroxide Chemical Analytical Method for the Determination of Ferric Oxide by O-Phenanthrophenanthrene Spectrophotometry

Group Standards of the People's Republic of China, Nitrogen Analysis

T/CWAN 0029.3-2021 Methods for chemical analysis of nickel-based welding materials-Part 3: Determination of nitrogen content by inert gas fusion thermal conductivity method

National Metrological Verification Regulations of the People's Republic of China, Nitrogen Analysis

JJG 1094-2013 Water Quality On-line Analyzers of Total Phosphorus and Total Nitrogen
JJG 801-2004 Chemiluminescent NO/NOx Analyzers
JJG 801-1993 Verification Regulation of Chemiluminescent NO/NO<下标x> Analyzer

Professional Standard - Machinery, Nitrogen Analysis

JB/T 7994-1999 Cubic boron nitride chemical analysis method
JB/T 53055-1999 Product quality classification of reciprocating piston nitrogen and hydrogen compressors
JB/T 7994-2012 Superabrasive.Chemical analysis method for cubic boran nitricle
JB/T 53026-1999 Product quality classification of non-lubricated reciprocating piston high-purity nitrogen compressors
JB/T 53142-1999 Pure nitrogen equipment product quality grading
JB/T 11938-2014 Ammonia-nitrogen automatic analyzers for laboratory.Nessler's reagent spectrophotometry
JB/T 3912-2013 Quality inspection of steam treatment and oxynitride for high-speed steel cutting tools

KR-KS, Nitrogen Analysis

KS M 8531-2018(2023) Sodium hydroxide for nitrogen compounds analysis
KS E ISO 11722-2017 Solid mineral fuels－Hard coal－Determination of moisture in the general analysis test sample by drying in nitrogen
KS I ISO TS 29041-2016 Gas mixtures－Gravimetric preparation－Mastering correlations in composition
KS K ISO 1833-15-2022 Textiles — Quantitative chemical analysis —Part 15: Mixtures of jute with certain animal fibres (method by determining nitrogen content)

NO-SN, Nitrogen Analysis

NS 4745-1991 Water analysis - Determination of the sum of nitrite nitrogen and nitrate nitrogen
NS 4855-1981 Air quality - Determination of nitrogendioxide in ambient air
NS 4869-1985 Air quality - Nitrogen dioxide content in workplace atmosphere - Colometric metod
NS 4743-1993 Water analysis. Determination of total nitrogen after oxidation with peroxodisulphate

Professional Standard - Aviation, Nitrogen Analysis

HB 5297.25-2001 Methods of chemical analysis of titanium alloys - Determination of nitrogen content by steam distillation
HB 5297.17-2001 Chemical Analysis Method of Titanium Alloy AzoarsenicⅢ Spectrophotometric Determination of Zirconium Content
HB 5297.20-2001 Chlorophosphine azo Ⅲ Spectrophotometric Method for Chemical Analysis of Titanium Alloy Determination of Cerium Content
HB 5219.19-1998 Determination of Cerium Content by Spectrophotometric Method of Tribromoarsine in Magnesium Alloy
HB 5422.23-1989 Determination of zirconium content by arsenazoⅢ absorptiophotometric method for chemical analysis of copper alloy
HB 5297.24-2001 Determination of Oxygen and Nitrogen Content by Pulse Heating Infrared Thermal Conductivity Method for Chemical Analysis of Titanium Alloy
HB 5220.42-1995 Determination of Cerium Content by DBC-Arsenazo Absorption Spectrophotometry Method for Chemical Analysis of Superalloys
HB 5220.43-1995 Determination of Lanthanum Content by DBC-Arsenazo Absorption Spectrophotometry Method for Chemical Analysis of Superalloys
HB 5220.48-1995 Superalloy Chemical Analysis Method Water Steam Distillation - Volumetric Method (or Absorptiometry) Determination of Nitrogen Content
HB 5218.14-1995 Aluminum Alloy Chemical Analysis Method Tribromoarsine Spectrophotometric Determination of Total Rare Earth in Cerium Group
HB 5220.42-2008 Methods for chemical analysis of superalloys. Part 42: Determination of cerium content by DBC-arsenazo photometric method
HB 5220.43-2008 Methods for chemical analysis of superalloys. Part 43: Determination of lanthanum content by DBC-arsenazo photometric method
HB 5220.38-1995 Extraction and Separation by Chemical Analysis Method of Superalloy - Determination of Cerium Content by ArsenazoⅢ Absorbance Spectrophotometry
HB 5220.48-2008 Methods for chemical analysis of superalloys. Part 48: Determination of nitrogen content by water vapour distillation-volumetric method( or photometric method)
HB 5220.36-1995 Determination of Zirconium Content by Arsenazo Ⅲ Direct Absorption Spectrophotometry Method for Chemical Analysis of Superalloys
HB 5220.49-2008 Methods for chemical analysis of superalloys. Part 49: Determination of oxygen, nitrogen content by impulse heating-infrared, thermal conductivity method
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

ES-AENOR, Nitrogen Analysis

RO-ASRO, Nitrogen Analysis

STAS SR EN 10179-1994 Chemicat analysis of ferrous materials - Determination of nitrogen (trace amounts) in steel - Spectrophotometric method
STAS 12001-1981 NATURAL GASES Cromatographyc analysis in gasous phase

Jiangsu Provincial Standard of the People's Republic of China, Nitrogen Analysis

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

Professional Standard - Geology, Nitrogen Analysis

DZ/T 0279.29-2016 Methods of Analysis of Regional Geochemical Samples Part 29: Nitrogen Determination Kjeldahl Distillation - Volumetric Method
DZ/T 0064.23-2021 Analytical methods for groundwater quality - Part 23: Determination of iron content by phenanthroline spectrophotometric method
DZ/T 0064.74-2021 Groundwater Quality Analysis Methods Part 74: Determination of Helium, Hydrogen, Oxygen, Argon, Nitrogen, Methane, Carbon Monoxide, Carbon Dioxide and Hydrogen Sulfide by Gas Chromatography

IN-BIS, Nitrogen Analysis

Jilin Provincial Standard of the People's Republic of China, Nitrogen Analysis

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

Indonesia Standards, Nitrogen Analysis

SNI 19-1501-1989 Test methods for total nitrogen oxide in air
SNI 19-1432-1989 Exhaust-gases, Test methods for nitrogen dioxide content
SNI 19-1125-1989 Method for sampling of air for gas and vapour analysis
SNI 19-1502-1989 Test method for nitrogen oxides content of air in working area
SNI 19-7119.2-2005 Ambient atmospheres - Part 2: Test methods of nitrogen dioxide (NO2) content by Griess Saltzman using spectrophotometers

Professional Standard - Environmental Protection, Nitrogen Analysis

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

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

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

Professional Standard - Rare Earth, Nitrogen Analysis

XB/T 601.7-1993 Lanthanum hexaboride chemical analysis method 1,10-phenanthrene-phenanthrene spectrophotometric determination of iron content

United States Navy, Nitrogen Analysis

NAVY MIL-V-82466 NOTICE 1-1998 VACUUM-AIR-NITROGEN DISTRIBUTION SYSTEM
NAVY MIL-V-82466 (1)-1971 VACUUM-AIR-NITROGEN DISTRIBUTION SYSTEM
NAVY MIL-V-82466-1967 VACUUM-AIR-NITROGEN DISTRIBUTION SYSTEM

ZA-SANS, Nitrogen Analysis

SANS 5922:1978 Total moisture content of coal (nitrogen-oven method)
SANS 8968-5:2006 Milk - Determination of nitrogen content - Part 5: Determination of protein-nitrogen content
SANS 11722:2005 Solid mineral fuels - Hard coal - Determination of moisture in the general analysis test sample by drying in nitrogen
SANS 1833-15:2007 Textiles - Quantitative chemical analysis Part 15: Mixtures of jute and certain animal fibres (method by determining nitrogen content)
SANS 8968-4:2006 Milk - Determination of nitrogen content Part 4: Determination of non-protein-nitrogen content
SANS 13395:1996 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection

Standard Association of Australia （SAA）, Nitrogen Analysis

AS 1050.12:1983 Methods for the analysis of iron and steel - Determination of nitrogen in steel (steam distillation titrimetric method)
AS 3580.5.1:2011
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 3580.5.1:1993 Methods for sampling and analysis of ambient air - Determination of oxides of nitrogen - Chemiluminescence method
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 1038.6.2:2007 Coal and coke - Analysis and testing - Higher rank coal and coke - Ultimate analysis - Nitrogen

European Committee for Standardization (CEN), Nitrogen Analysis

EN 10179:1989 Chemical Analysis of Ferrous Materials - Determination of Nitrogen (Trace Mounts) in Steel Spectrophotometric Method
EN ISO 13395:1996 Water Quality - Determination of Nitrite Nitrogen and Nitrate Nitrogen and the Sum of Both by Flow Analysis (CFA and FIA) and Spectrometric Detection
EN ISO 8968-5:2001 Milk - Determination of nitrogen content - Part 5: Determination of protein-nitrogen content (ISO 8968-5:2001)
EN ISO 6570:2004 Natural gas - Determination of potential hydrocarbon liquid content - Gravimetric methods ISO 6570:2001

RU-GOST R, Nitrogen Analysis

GOST R ISO 6142-2008 Gas analysis. Preparation of calibration gas mixtures. Gravimetric method
GOST ISO 1833-15-2015 Textiles. Quantitative chemical analysis. Part 15. Mixtures of jute and certain animal fibres (method by determining nitrogen content)
GOST R ISO 1833-15-2008 Textiles. Quantitative chemical analysis. Part 15. Mixtures of jute and certain animal fibres (method by determining nitrogen content)
GOST 21472-1981 Sheel materials. Gravimetric method for determining steam permeability

未注明发布机构, Nitrogen Analysis

DIN EN 14211:2005 Air quality — measurement method for determining the concentration of nitrogen dioxide and nitrogen monoxide using chemiluminescence
BS 5849:1980(1999)*IEC 528:1975 Method of Expression of performance of air quality infra - red analysers [ IEC title : Expression of performance of air quality infra - red analyzers ]

Lithuanian Standards Office , Nitrogen Analysis

LST EN 10179-2000 Chemical analysis of ferrous materials - Determination of nitrogen (trace mounts) in steel - Spectrophotometric method
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)

International Dairy Federation (IDF), Nitrogen Analysis

IDF 20-5-2001 Milk - Determination of nitrogen content - Part 5: Determination of protein-nitrogen content
IDF 20-1-2001 Milk - Determination of nitrogen content - Part 1: Kjeldahl method
IDF 20-4-2001 Milk - Determination of nitrogen content - Part 4: Determination of non-protein-nitrogen content

US-FCR, Nitrogen Analysis

FCR COE ETL 1110-2-253-1980 MEASUREMENT OF DISSOLVED GASES TO DETERMINE THE DEGREE OF NITROGEN SUPERSATURATION

Guizhou Provincial Standard of the People's Republic of China, Nitrogen Analysis

DB52/T 1607-2021 Nitrogen, Phosphorus and Potassium Nutrient Limits for Tea Gardens

IT-UNI, Nitrogen Analysis

UNI 7340-1974
UNI 7336-1974 Chemical analysis of ferrous materials. Determination of nitrogen in steel. Spectrophotometric method.

Hunan Provincial Standard of the People's Republic of China, Nitrogen Analysis

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

Anhui Provincial Standard of the People's Republic of China, Nitrogen Analysis

DB34/T 3690-2020 Determination of carbon dioxide and nitrogen content in liquefied petroleum gas

American National Standards Institute （ANSI), Nitrogen Analysis

ANSI/ASTM F1793:1997 Specification for Automatic Shut-Off Valves (also known as Excess Flow Valves EFV) for Air or Nitrogen Service

Xinjiang Provincial Standard of the People's Republic of China, Nitrogen Analysis

DB65/T 602.3-2001 The determinanation of ammonium nitrogen in soil
DB65/T 602.4-2001 The determinanation of nitrate nitrogen in soil
DB65/T 602.2-2001 The determinanation of hydrolyzable nitrogen in soil

CEN - European Committee for Standardization, Nitrogen Analysis

PREN 12698-2005 Chemical analysis of nitride bonded silicon carbide refractories

GM North America, Nitrogen Analysis

GM9313P-1988 Residual Pentane Content by Gas Chromatography

Professional Standard - Electron, Nitrogen Analysis

SJ/Z 9126-1987 Presentation for performances of air quality infra-red analyzers

Professional Standard - Forestry, Nitrogen Analysis

LY/T 1981-2011 Testing apparatus for formaldehyde emission by the gas analysis method

ES-UNE, Nitrogen Analysis

UNE-EN ISO 6142-1:2016 Gas analysis - Preparation of calibration gas mixtures - Part 1: Gravimetric method for Class I mixtures (ISO 6142-1:2015)
UNE-EN ISO 1833-15:2020 Textiles - Quantitative chemical analysis - Part 15: Mixtures of jute with certain animal fibres (method by determining nitrogen content) (ISO 1833-15:2019)

Professional Standard - Ocean, Nitrogen Analysis

HY/T 0345-2022 Determination of seawater trace nitrite—Flow analysis,diazotization and spectrophotometric detection witha long path length flow cell

冶金工业部, Nitrogen Analysis

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

Professional Standard - Light Industry, Nitrogen Analysis

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