ZH
RU
ES

Determination principle and method of total nitrogen

Determination principle and method of total nitrogen, Total:500 items.

In the international standard classification, Determination principle and method of total nitrogen involves: Milk and milk products, External water conveyance systems, Water quality, Fertilizers, Analytical chemistry, Soil quality. Pedology, Lubricants, industrial oils and related products, Crude petroleum, Petroleum products in general, Fuels, Air quality, General methods of tests and analysis for food products, Organic chemicals, Spices and condiments. Food additives, Wastes, Inorganic chemicals, Non-ferrous metals, Refractories, Animal feeding stuffs, Fruits. Vegetables, Beverages, Raw materials for rubber and plastics, Edible oils and fats. Oilseeds, Coals, Cereals, pulses and derived products, Meat, meat products and other animal produce, Products of the chemical industry, Metalliferous minerals, Textile fibres, Textile auxiliary materials, Ferroalloys, Protection of and in buildings, Paints and varnishes, Ferrous metals, Plastics, Radiation measurements, Laboratory medicine, Quality, Metrology and measurement in general, Leather technology, Cellular materials, Bearings, Headgear. Clothing accessories. Fastening of clothing, Powder metallurgy, Sugar. Sugar products. Starch, Non-metalliferous minerals, Non-destructive testing, Ceramics, Measurement of volume, mass, density, viscosity, Paint ingredients, Ergonomics, Information technology (IT) in general, Occupational safety. Industrial hygiene, Microbiology, Transport, Vocabularies, Iron and steel products, Paper and board, Testing of metals.

Standard Association of Australia （SAA）, Determination principle and method of total nitrogen

AS 2300.1.2.2:1988 Methods of chemical and physical testing for the dairying industry - General methods and principles - Determination of nitrogen - Nitrogen fractions from milk
AS 2300.1.2.2:2008 Methods of chemical and physical testing for the dairying industry Method 1.2.2: General methods and principles- Determination of nitrogen—Nitrogen fractions from milk
AS 2300.1.2.1:1991 Methods of chemical and physical testing for the dairying industry - General methods and principles - Determination of nitrogen - Reference Kjeldahl method
AS 2300.1.1:2008
AS 2300.1.1:1988 Methods of chemical and physical testing for the dairying industry - General methods and principles - Determination of total solids and moisture
AS ISO 8968.1:2021 Milk and milk products — Determination of nitrogen content, Part 1: Kjeldahl principle and crude protein calculation
AS 2300.1.5:1988 Methods of chemical and physical testing for the dairying industry - General methods and principles - Determination of ash
AS 2300.1.6:1989 Methods of chemical and physical testing for the dairying industry - General methods and principles - Determination of pH
AS 2300.1.3:1988 Methods of chemical and physical testing for the dairying industry - General methods and principles - Determination of fat - Gravimetric method
AS 2300.1.3:2008
AS 2300.1.10:2008 Methods of chemical and physical testing for the dairying industry Method 1.10: General methods and principles— Determination of phosphatase activity
AS 2300.1.6:2010
AS 2300.2.7:1988 Methods of chemical and physical testing for the dairying industry - Liquid milks - Determination of calcium
AS 2300.2.8:1988 Methods of chemical and physical testing for the dairying industry - Liquid milks - Determination of chloride
AS 2300.2.9:1988 Methods of chemical and physical testing for the dairying industry - Liquid milks - Determination of phosphorus
AS 2300.2.10:1988 Methods of chemical and physical testing for the dairying industry - Liquid milks - Determination of titratable acidity
AS 1050.12:1983 Methods for the analysis of iron and steel - Determination of nitrogen in steel (steam distillation titrimetric method)
AS 2300.1.5:2008
AS 2300.1.10:1988 Methods of chemical and physical testing for the dairying industry - General methods and principles - Determination of phosphatase activity
AS 2300.2.6:1988 Methods of chemical and physical testing for the dairying industry - Liquid milks - Determination of lactose
AS 2300.5.3:1991 Methods of chemical and physical testing for the dairying industry - Condensed milk - Determination of total milk solids
AS 2300.1.9:2008 Methods of chemical and physical testing for the dairying industry Method 1.9: General methods and principles— Determination of sucrose and glucose— Enzymatic method
AS 2300.1.9:1987 Methods of chemical and physical testing for the dairying industry - General methods and principles - Determination of sucrose and glucose - Enzymatic 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 2300.1.7:1990 Methods of chemical and physical testing for the dairying industry - General methods and principles - Determination of extraneous matter in dairy products
AS/NZS 2772.2:2011
AS 3580.5.1:2011
AS 3580.5.1:1993 Methods for sampling and analysis of ambient air - Determination of oxides of nitrogen - Chemiluminescence method
AS 2300.2.3:1981 Methods of chemical and physical testing for the dairying industry - Liquid milks - Determination of the iodide content of milk - Selective ion electrode method
AS 2365.1.1:1990(R2014)
AS 2365.1.1:1990 Methods for the sampling and analysis of indoor air - Determination of nitrogen dioxide - Spectrophotometric method - Treated mesh/passive tube sampling procedures
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)
AS 2300.1.4.2:1988 Methods of chemical and physical testing for the dairying industry - General methods and principles - Determination of fat content of milk and liquid dairy products by the Babcock method - Methodology
AS 2300.4.8:1994 Methods of chemical and physical testing for the dairying industry - Dried milk and dried milk products - Determination of undenatured whey protein nitrogen (UDWPN) in dried skim milk

GOSTR, Determination principle and method of total nitrogen

GOST R 58596-2019 Soils. Methods for determination of total nitrogen
GOST 33815-2016 Wine products and raw materials for it’s production. Method for determination of mass concentration of total and the reduced extract
GOST 6689.3-1992 Nickel, nickel and copper-nickel alloys. Method for the determination of nickel and cobalt sum

Indonesia Standards, Determination principle and method of total nitrogen

SNI 4146-2013
SNI 2372.2-2011 Cara uji fisika - Bagian 2: Penentuan bobot tuntas pada produk perikanan

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, Determination principle and method of total nitrogen

GB/T 2441.1-2001 Determination of urea-Determination of total nitrogen content
GB/T 2441.1-2008 Determination of urea.Part 1:Total nitrogen content
GB/T 21318-2009 Determination of total nirogen content in animal feeding stuffs by combustion according to the Dumas principle and calculation o the crude protein content
GB/T 24318-2009 Determination of total nitrogen content in animal feeding stuffs by combustion according to the Dumas principle and calculation of the crude protein content
GB/T 10722-2003 Carbon black-Determination of total and external surface area by nitrogen adsorption
GB/T 10722-2014 Carbon black.Determination of total and external surface area.Nitrogen adsorption test method
GB/T 23952-2009 Inorganic chemicals for industrial use.General method for the determination of total nitrogen content.Distillation-acid-base titrations method
GB/T 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 6609.35-2023 Methods of chemical analysis and determination of physical properties of alumina Part 35: Determination of specific surface area Nitrogen adsorption method
GB/T 6609.35-2009 Chemical analysis methods and determination of physical performance of alumina-Part 35: Determination of specific surface area by nitrogen adsorption
GB/T 19227-2003 Determination of nitrogen in coal and coke semi-micro gasification method
GB/T 5543-1985 Resin finishing agent--Determination of total formaldehyde content
GB 5543-1985 Resin finishing agent－Determination of total formaldehyde content
GB/T 23772-2009 Inorganic chemicals for industrial use.General method for the determination of total nitrogen content.Nessler's reagent colorimetric method
GB/T 6609.4-2004 Chemical analysis methods and determination of physical performance of alumina Determination of ferric oxide content-Orthophenanthroline photometric method
GB/T 13452.1-1992 Paints and varnishes--Determination of total lead--Flame atomic absorption spectrometric method
GB/T 14422-2008 Analysis of water used in boiler and cooling systems.Determination of benzotriazole
GB/T 6609.19-2004 Chemical analysis methods and determination of physical performance of alumina Determination of lithia content-Flame atomic absorption spectrophotometric method
GB/T 6609.20-2004 Chemical analysis methods and determination of physical performance of alumina Determination of magnesia content-Flame atomic absorption spectrophotometric method
GB/T 6609.12-2004 Chemical analysis methods and determination of physical performance of alumina Determination of zinc oxide content-Flame atomic absorption spectrophotometric method
GB/T 6609.13-2004 Chemical analysis methods and determination of physical performance of alumina Determination of calcium oxide content-Flame atomic absorption spectrophotometric method
GB/T 6609.20-2004 Methods for chemical analysis of alumina and methods for determining physical properties
GB/T 6609.11-2004 Chemical analysis methods and determination of physical performance of alumina Determination of manganous oxide content-Flame atomic absorption spectrophotometric method
GB/T 6609.19-2018 Chemical analysis methods and determination of physical performance of alumina.Part 19:Determination of lithium oxide content.Flame atomic absorption spectrometry method

RU-GOST R, Determination principle and method of total nitrogen

GOST 10671.4-2016 Reagents. Methods for determination of total nitrogen impurity
GOST 30181.9-1994 Mineral fertilizers. Method for determination of total mass fraction of nitrogen in compound fertilizers (distillation method using the chromium reduction of nitrate nitrogen and mineralization of organic nitrogen)
GOST EN 15750-2016 Fertilizers. Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
GOST 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 14338.4-1982 Molybdenum. Methods for determination of nitrogen, oxygen and hydrogen
GOST 14339.4-1982 Tungsten. Methods for the determination of nitrogen, oxygen, hydrogen
GOST 2642.15-1997 Refractories and refractory raw materials. Method for determination of general carbon
GOST 2642.15-2021 Refractories and refractory raw materials. Methods for determination of general carbon
GOST R 50466-1993 Fodder, mixed fodder and animal feed raw stuff. Methods of nitrogen and crude protein determination
GOST 32000-2012 The alcohol production and raw material for it producing. Method of total extract determination
GOST 30181.4-1994 Mineral fertilizers. Method for determination of total mass fraction of nitrogen in compound fertilizers and nitrale fertilizers in ammonium and nitrate forms (Deward Method)
GOST R ISO 16634-1-2011 Food products. Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content. Part 1. Oilseeds and animal feeding stuffs
GOST R 51423-1999 Feedstuffs, compound feeds, feed raw materials. Method for determination of soluble nitrogen fraction of total mass after treatment with pepsin in dilute hydrochloric acid
GOST 32115-2013 The alcohol production and raw material for it producing. Method for determination of free and total sulphurous acid
GOST R 55479-2013 Meat and meat products. Method for determination of amino-ammonia nitrogen
GOST 31950-2012 Water. Method for determination of total mercury by flameless atomic absorption spectrometry
GOST R 51620-2000 The alcohol production and raw material for it producing. Method of total extract determination
GOST R 54285-2010 Gasoline and methanol fuels. Determionation of total oxygen content by methods of reductive pyrolysis
GOST R 54285-2010(2019) Gasoline and methanol fuels. Determionation of total oxygen content by methods of reductive pyrolysis
GOST 23327-1998 Milk and milk products. Determination of mass part of total nitrogen by Kjeldahl method and determination of mass part of protein
GOST 23327-1978 Milk. Methods for determination of the total protein content
GOST R 50453-1992 Meat and meat products. Determination of nitrogen content (Reference method)
GOST ISO 12359-1999 Cabon, alloyed and high-alloyed steels. Methods for determination of nitrogen
GOST R 50279.10-1992 Paints and varnishes. Test methods of metal content. Determination of total lead. Flame atomic absorption spectrometric method
GOST R 51212-1998 Drinking water. Methods for determination of total mercury by flameless atomic absorption spectrometry
GOST 32979-2014 Solid mineral fuel. Instrumental method for determination of carbon, hydrogen and nitrogen
GOST R 51730-2001 Drinking water. Method for determination of summary specific radio-nuclei alpha-activity
GOST 31864-2012 Drinking water. Method for determination of summary specific radio-nuclei alpha-activity
GOST 31956-2012 Water. Methods for determination of chromium (VI) and total chromium
GOST R 52991-2008 Water. Methods for determination of total and dissolved organic carbon
GOST R 51422-1999 Feedstuffs, compound feeds, feed raw materials. Method for determination of urea fraction of total mass
GOST R 53182-2008 Foodstuffs. Determination of trace elements. Determination of total arsenic and selenium by hydride generation atomic absorption spectrometry (HGAAS) after pressure digestion
GOST 15933.5-1990 Ferroniobium. Method for determination of niobium and tantalum sum
GOST R 50279.11-1992 Paints and varnishes. Test methods of metal content. Determination of total mercury. Flameless atomic absorption spectrometric method
GOST 2082.2-1981 Molibdenum concentrates. Method for the determination of total moisture and oil content
GOST R 51425-1999 Feedstuffs, compound feeds, feed raw materials. Method for determination of zearalenone fraction of total mass
GOST 32114-2013 The alcohol production and raw material for it producing. Methods for determination of titrating acids
GOST 17444-1976 Reagents. Methods for determination of parent substance of organic nitrogen bearing compounds and salts of organic acids
GOST R 54491-2011 Canned fruits. Method for determination of quinoline, triarylmethane and azo colours presence
GOST R 56495-2015 Air transport. Safety management system of helicopter activity. Acceptable risk. Principles and methods of determination. Basic provisions
GOST R 51655-2000 Alcohol products and raw material for it's production. Method for determination of free and total sulphurous acid mass concentration
GOST 31707-2012 Foodstuffs. Determination of trace elements. Determination of total arsenic and selenium by hydride generation atomic absorption spectrometry (HGAAS) after pressure digestion
GOST R 51418-1999 Feedstuffs, compound feeds, feed raw materials. Methods for determination of ash fraction of total mass insoluble in hydrochloric acid

American Society for Testing and Materials (ASTM), Determination principle and method of total nitrogen

ASTM D8001-16e1 Standard Test Method for Determination of Total Nitrogen, Total Kjeldahl Nitrogen by Calculation, and Total Phosphorus in Water, Wastewater by Ion Chromatography
ASTM D8001-16 Standard Test Method for Determination of Total Nitrogen, Total Kjeldahl Nitrogen by Calculation, and Total Phosphorus in Water, Wastewater by Ion Chromatography
ASTM D3228-22 Standard Test Method for Total Nitrogen in Lubricating Oils and Fuel Oils by Modified Kjeldahl Method
ASTM E258-67(2002) Standard Test Method for Total Nitrogen in Organic Materials by Modified Kjeldahl Method
ASTM D8083-16 Standard Test Method for Total Nitrogen, and Total Kjeldahl Nitrogen (TKN) by Calculation, in Water by High Temperature Catalytic Combustion and Chemiluminescence Detection
ASTM D6556-00a Standard Test Method for Carbon Black8212;Total and External Surface Area by Nitrogen Adsorption
ASTM D6556-01a Standard Test Method for Carbon Black8212;Total and External Surface Area by Nitrogen Adsorption
ASTM D6556-01 Standard Test Method for Carbon Black8212;Total and External Surface Area by Nitrogen Adsorption
ASTM D6556-10 Standard Test Method for Carbon Black-Total and External Surface Area by Nitrogen Adsorption
ASTM D6556-04 Standard Test Method for Carbon Black-Total and External Surface Area by Nitrogen Adsorption
ASTM D6556-07 Standard Test Method for Carbon Black-Total and External Surface Area by Nitrogen Adsorption
ASTM D6556-17 Standard Test Method for Carbon Black&x2014;Total and External Surface Area by Nitrogen Adsorption
ASTM D3228-20 Standard Test Method for Total Nitrogen in Lubricating Oils and Fuel Oils by Modified Kjeldahl Method
ASTM D6556-02 Standard Test Method for Carbon Black8212;Total and External Surface Area by Nitrogen Adsorption
ASTM D6556-02a Standard Test Method for Carbon Black8212;Total and External Surface Area by Nitrogen Adsorption
ASTM D3228-19 Standard Test Method for Total Nitrogen in Lubricating Oils and Fuel Oils by Modified Kjeldahl Method
ASTM D3228-08(2019) Standard Test Method for Total Nitrogen in Lubricating Oils and Fuel Oils by Modified Kjeldahl Method
ASTM D6556-03 Standard Test Method for Carbon Black8212;Total and External Surface Area by Nitrogen Adsorption
ASTM E258-67(1996)e1 Standard Test Method for Total Nitrogen in Organic Materials by Modified Kjeldahl Method
ASTM D6556-09 Standard Test Method for Carbon Black-Total and External Surface Area by Nitrogen Adsorption
ASTM D6556-21 Standard Test Method for Carbon Black—Total and External Surface Area by Nitrogen Adsorption
ASTM D6556-14 Standard Test Method for Carbon Blackmdash;Total and External Surface Area by Nitrogen Adsorption
ASTM D8083-16(2023) Standard Test Method for Total Nitrogen, and Total Kjeldahl Nitrogen (TKN) by Calculation, in Water by High Temperature Catalytic Combustion and Chemiluminescence Detection
ASTM D8247-19 Standard Test Method for Determination of Total Fluorine and Total Chlorine in Coal by Oxidative Pyrohydrolytic Combustion Followed by Ion Chromatography Detection
ASTM D3228-08(2014) Standard Test Method for Total Nitrogen in Lubricating Oils and Fuel Oils by Modified Kjeldahl Method
ASTM D5176-91(2003) Standard Test Method for Total Chemically Bound Nitrogen in Water by Pyrolysis and Chemiluminescence Detection
ASTM D5176-91(1995) Standard Test Method for Total Chemically Bound Nitrogen in Water by Pyrolysis and Chemiluminescence Detection
ASTM D5176-08 Standard Test Method for Total Chemically Bound Nitrogen in Water by Pyrolysis and Chemiluminescence Detection
ASTM D5176-08(2015) Standard Test Method for Total Chemically Bound Nitrogen in Water by Pyrolysis and Chemiluminescence Detection
ASTM D6556-16 Standard Test Method for Carbon Black&x2014;Total and External Surface Area by Nitrogen Adsorption
ASTM E258-07 Standard Test Method for Total Nitrogen in Organic Materials by Modified Kjeldahl Method
ASTM D3228-96 Standard Test Method for Total Nitrogen In Lubricating Oils and Fuel Oils By Modified Kjeldahl Method
ASTM D3228-01 Standard Test Method for Total Nitrogen In Lubricating Oils and Fuel Oils By Modified Kjeldahl Method
ASTM D3228-05 Standard Test Method for Total Nitrogen in Lubricating Oils and Fuel Oils by Modified Kjeldahl Method
ASTM D322-97(2002)e1 Standard Test Method for Gasoline Diluent in Used Gasoline Engine Oils by Distillation
ASTM D3228-03 Standard Test Method for Total Nitrogen in Lubricating Oils and Fuel Oils by Modified Kjeldahl Method
ASTM D3228-08 Standard Test Method for Total Nitrogen in Lubricating Oils and Fuel Oils by Modified Kjeldahl Method
ASTM D322-97(2016) Standard Test Method for Gasoline Diluent in Used Gasoline Engine Oils by Distillation
ASTM D7623-20 Standard Test Method for Total Mercury in Crude Oil Using Combustion-Gold Amalgamation and Cold Vapor Atomic Absorption Method
ASTM D7623-10(2015) Standard Test Method for Total Mercury in Crude Oil Using Combustion-Gold Amalgamation and Cold Vapor Atomic Absorption Method
ASTM D4468-85(2011) Standard Test Method for Total Sulfur in Gaseous Fuels by Hydrogenolysis and
Rateometric Colorimetry
ASTM D5622-95(2000) Standard Test Methods for Determination of Total Oxygen in Gasoline and Methanol Fuels by Reductive Pyrolysis
ASTM D5622-17 Standard Test Methods for Determination of Total Oxygen in Gasoline and Methanol Fuels by Reductive Pyrolysis
ASTM D4468-85(2000) Standard Test Method for Total Sulfur in Gaseous Fuels by Hydrogenolysis and Rateometric Colorimetry
ASTM D4468-85(2015) Standard Test Method for Total Sulfur in Gaseous Fuels by Hydrogenolysis and Rateometric Colorimetry
ASTM C1494-13(2018) Standard Test Methods for Determination of Mass Fraction of Carbon, Nitrogen, and Oxygen in Silicon Nitride Powder
ASTM D4661-23 Standard Test Methods for Polyurethane Raw Materials: Determination of Total Chlorine in Isocyanates
ASTM D5176-20 Standard Test Method for Total Chemically Bound Nitrogen in Water by Pyrolysis and Chemiluminescence Detection
ASTM D7622-20 Standard Test Method for Total Mercury in Crude Oil Using Combustion and Direct Cold Vapor Atomic Absorption Method with Zeeman Background Correction
ASTM D7622-10(2015) Standard Test Method for Total Mercury in Crude Oil Using Combustion and Direct Cold Vapor Atomic Absorption Method with Zeeman Background Correction
ASTM D6016-06(2012) Standard Test Method for Determination of Nitrogen, Water Extractable in Leather
ASTM D3684-01 Standard Test Method for Total Mercury in Coal by the Oxygen Bomb Combustion/Atomic Absorption Method
ASTM D3684-94(2000) Standard Test Method for Total Mercury in Coal by the Oxygen Bomb Combustion/Atomic Absorption Method
ASTM D3684-01(2006) Standard Test Method for Total Mercury in Coal by the Oxygen Bomb Combustion/Atomic Absorption Method
ASTM D4661-98 Standard Test Methods for Polyurethane Raw Materials Determination of Total Chlorine in Isocyanates
ASTM D4661-18 Standard Test Methods for Polyurethane Raw Materials: Determination of Total Chlorine in Isocyanates
ASTM D4661-13 Standard Test Methods for Polyurethane Raw Materials: Determination of Total Chlorine in Isocyanates
ASTM D5622-95(2005) Standard Test Methods for Determination of Total Oxygen in Gasoline and Methanol Fuels by Reductive Pyrolysis
ASTM D5622-95(2011) Standard Test Methods for Determination of Total Oxygen in Gasoline and Methanol Fuels by Reductive Pyrolysis
ASTM D6979-13 Standard Test Method for Polyurethane Raw Materials: Determination of Basicity in Polyols, Expressed as Percent Nitrogen
ASTM D6016-06 Standard Test Method for Determination of Nitrogen, Water Extractable in Leather
ASTM D5622-16 Standard Test Methods for Determination of Total Oxygen in Gasoline and Methanol Fuels by Reductive Pyrolysis
ASTM D6979-18 Standard Test Method for Polyurethane Raw Materials: Determination of Basicity in Polyols, Expressed as Percent Nitrogen
ASTM C1069-86(2004)e1 Standard Test Method for Specific Surface Area of Alumina or Quartz by Nitrogen Adsorption
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 D5291-16 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 D2868-17 Standard Test Method for Nitrogen Content (Kjeldahl) and Hide Substance Content of Leather, Wet Blue and Wet White
ASTM D5373-08 Standard Test Methods for Instrumental Determination of Carbon, Hydrogen, and Nitrogen in Laboratory Samples of Coal
ASTM D6069-01(2006) Standard Test Method for Trace Nitrogen in Aromatic Hydrocarbons by Oxidative Combustion and Reduced Pressure Chemiluminescence Detection
ASTM D6069-96 Standard Test Method for Trace Nitrogen in Aromatic Hydrocarbons by Oxidative Combustion and Reduced Pressure Chemiluminescence Detection
ASTM D6069-01 Standard Test Method for Trace Nitrogen in Aromatic Hydrocarbons by Oxidative Combustion and Reduced Pressure Chemiluminescence Detection
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 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 D6979-03 Standard Test Method for Polyurethane Raw Materials: Determination of Basicity in Polyols, Expressed as Percent Nitrogen
ASTM D6979-08 Standard Test Method for Polyurethane Raw Materials: Determination of Basicity in Polyols, Expressed as Percent Nitrogen
ASTM C1069-09 Standard Test Method for Specific Surface Area of Alumina or Quartz by Nitrogen Adsorption
ASTM E1081-95a Standard Test Method for Determination of Total Iron in Iron Ores and Related Materials by Silver Reduction-Dichromate Titration (Withdrawn 2002)
ASTM D5291-21 Standard Test Methods for Instrumental Determination of Carbon, Hydrogen, and Nitrogen in Petroleum Products and Lubricants
ASTM E1019-03 Standard Test Methods for Determination of Carbon, Sulfur, Nitrogen, and Oxygen in Steel and in Iron, Nickel, and Cobalt Alloys
ASTM E1019-02 Standard Test Methods for Determination of Carbon, Sulfur, Nitrogen, and Oxygen in Steel and in Iron, Nickel, and Cobalt Alloys
ASTM D5291-10 Standard Test Methods for Instrumental Determination of Carbon, Hydrogen, and Nitrogen in Petroleum Products and Lubricants
ASTM C1494-01(2007) Standard Test Methods for Determination of Mass Fraction of Carbon, Nitrogen, and Oxygen in Silicon Nitride Powder

British Standards Institution (BSI), Determination principle and method of total nitrogen

BS 7755-3.7:1995 Soil quality. Chemical methods. Determination of total nitrogen. Modified Kjeldahl method
BS 5551-4.1.3:1986 Fertilizers. Chemical analysis. Determination of nitrogen. Method for determination of total nitrogen content (titrimetric method after distillation)
BS ISO 6851:2001 Photography. Processing waste. Determination of total amino nitrogen (microdiffusion Kjeldahl method)
BS ISO 20620:2021 Fertilizers and soil conditioners. Determination of total nitrogen by combustion
BS EN 15750:2010 Fertilizers. Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
BS EN 15750:2009 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
BS DD CEN/TS 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 EN ISO 14891:2002 Milk and milk products - Determination of nitrogen content - Routine method using combustion according to the Dumas principle
BS EN ISO 8968-1:2014 Milk and milk products. Determination of nitrogen content. Kjeldahl principle and crude protein calculation
BS EN ISO 16634-1:2008 Food products - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content - Part 1: Oilseeds and animal feeding stuffs
BS EN 15104:2011 Solid biofuels. Determination of total content of carbon, hydrogen and nitrogen. Instrumental methods
BS DD CEN ISO/TS 16634-2:2010 Food products - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content - Cereals, pulses and milled cereal products
BS 6068-2.40:1991 Water quality. Physical, chemical and biochemical methods. Method for the determination of borate by spectrometry using azomethine-H
BS EN 16168:2012 Sludge, treated biowaste and soil. Determination of total nitrogen using dry combustion method
BS 7020-4.2:1990 Analysis of iron ores. Method for the determination of total iron content. Titanium (III) chloride reduction methods
BS 4401-2:1980 Methods of test for meat and meat products. Determination of nitrogen content (reference method)
DD ISO/TS 12902:2002 Solid mineral fuels. Determination of total carbon, hydrogen and nitrogen. Instrumental methods
BS 5551-4.1.4:1984 Fertilizers. Chemical analysis. Determination of nitrogen. Method for determination of ammoniacal nitrogen content in the presence of other substances which release ammonia when treated with sodium hydroxide (titrimetric method)
BS 6068-2.42:1993 Water quality. Physical, chemical and biochemical methods. Determination of sodium and potassium: determination of sodium by atomic absorption spectrometry
BS 6068-2.43:1993 Water quality. Physical, chemical and biochemical methods. Determination of sodium and potassium: determination of potassium by atomic absorption spectrometry
BS 874-1:1986 Methods for determining thermal insulating properties - Introduction, definitions and principles of measurement
BS ISO 2597-2:2015 Iron ores. Determination of total iron content. Titrimetric methods after titanium(III) chloride reduction
BS ISO 2597-2:2008 Iron ores - Determination of total iron content - Titrimetric methods after titanium(III) chloride reduction
BS 3900-D8:1986 Methods of test for paints. Optical tests on paint films. Determination of colour and colour difference: principles
BS 5551-3.4:1987 Fertilizers. Physical properties. Method for determination of oil retention of high nitrogen content, straight ammonium nitrate fertilizers
BS 4401-1:1998 Methods of test for meat and meat products. Determination of total ash
BS DD CEN/TS 15750:2009 Fertilizers - Determination of different forms of nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
BS ISO 2597-2:2019 Tracked Changes. Iron ores. Determination of total iron content. Titrimetric methods after titanium(III) chloride reduction
BS EN ISO 11732:2005 Water quality. Determination of ammonium nitrogen. Method by flow analysis (CFA and FIA) and spectrometric detection
BS 4585-3:1998 Methods of test for spices and condiments. Determination of total ash
22/30444436 DC BS ISO 937. Meat and meat products. Determination of nitrogen content. Reference method
BS EN ISO 8968-4:2016 Milk and milk products. Determination of nitrogen content. Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method)
BS EN ISO 16634-2:2016 Tracked Changes. Food products. Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content. Cereals, pulses and milled cereal products
DD ENV 14226:2002 Advanced technical ceramics. Test methods for ceramic powders. Determination of calcium, magnesium, iron and aluminium in silicon nitride by using flame atomic absorption spectroscopy (FAAS) or inductively coupled plasma atomic emission spectroscopy (I...
BS 684-2.8:1977 Methods of analysis of fats and fatty oils - Other methods - Determination of total neutral oil
BS 6068 Sec.2.42:1993 Water quality. Physical, chemical and biochemical methods. Determination of sodium and potassium: determination of sodium by atomic absorption spectrometry
BS 6068 Sec.2.43:1993 Water quality. Physical, chemical and biochemical methods. Determination of sodium and potassium: determination of potassium by atomic absorption spectrometry
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
DD CEN/TS 15279:2006 Workplace exposure — Measurement of dermal exposure — Principles and methods
BS EN 14627:2005 Foodstuffs - Determination of trace elements - Determination of total arsenic and selenium by hydride generation atomic absorption spectrometry (HGAAS) after pressure digestion
BS 7020 Sec.4.2:1990 Analysis of iron ores. Method for the determination of total iron content. Titanium (III) chloride reduction methods
BS EN ISO 3735:1999 Crude petroleum and fuel oils. Determination of sediment. Extraction method
BS 5766-15:1997 Methods for analysis of animal feeding stuffs. Determination of soluble nitrogen content after treatment with pepsin in dilute hydrochloric acid

German Institute for Standardization, Determination principle and method of total nitrogen

DIN EN 15750:2010-02 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods; German version EN 15750:2009
DIN CEN/TS 15750:2008 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods; German version CEN/TS 15750:2008
DIN 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 16168:2012-11 Sludge, treated biowaste and soil - Determination of total nitrogen using dry combustion method; German version EN 16168:2012
DIN EN ISO 14891:2002-07 Milk and milk products - Determination of nitrogen content - Routine method using combustion according to the Dumas principle (ISO 14891:2002); German version EN ISO 14891:2002
DIN EN 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 15750:2010 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods; German version EN 15750:2009
DIN EN 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 16634-1:2009 Food products - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content - Part 1: Oilseeds and animal feeding stuffs (ISO 16634-1:2008); English version of DIN EN ISO 16634-1:
DIN EN ISO 16634-1:2009-07 Food products - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content - Part 1: Oilseeds and animal feeding stuffs (ISO 16634-1:2008); German version EN ISO 16634-1:2008
DIN EN 15104:2011 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen - Instrumental methods; German version EN 15104:2011
DIN 51900-1:2000-04 Testing of solid and liquid fuels - Determination of gross calorific value by the bomb calorimeter and calculation of net calorific value - Part 1: Principles, apparatus, methods / Note: To be replaced by DIN 51900 (2022-06).
DIN ISO 6503:1985 Paints and varnishes; determination of total lead; flame atomic absorption spectrometric method; identical with ISO 6503, edition 1984
DIN EN 16168:2012 Sludge, treated biowaste and soil - Determination of total nitrogen using dry combustion method; German version EN 16168:2012
DIN EN ISO 21068-2:2023-07 Chemical analysis of raw materials and refractory products containing silicon-carbide, silicon-nitride, silicon-oxynitride and sialon - Part 2: Determination of volatile components, total carbon, free carbon, silicon carbide, total and free silicon, fr...
DIN 51400-1:1992 Testing of mineral oils and fuels; determination of the sulfur content (total sulfur); general working principles
DIN 51400-1:2009-04 Testing of mineral oils and fuels - Determination of sulfur content (total sulfur) - Part 1: General working principles
DIN 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 (ISO 13395:1996); German version EN ISO 13395:1996
DIN 38409-27:1992 German standard methods for the examination of water, waste water and sludge; parameters characterizing effects and substances (group H); determination of total bound nitrogen TN<(Index)b> (H 27)
DIN-Fachbericht 143:2005 Modern rheological test methods - Part 1: Determination of the yield point - Fundamentals and comparative testing methods
DIN EN ISO 21663:2021-03 Solid recovered fuels - Methods for the determination of carbon (C), hydrogen (H), nitrogen (N) and sulphur (S) by the instrumental method (ISO 21663:2020); German version EN ISO 21663:2020
DIN 66273-1 Bb.1:1993 Information processing; measurement and rating of data processing performance; measuring and rating method; introduction into the method
DIN CEN/TS 15279:2006-06 Workplace exposure - Measurement of dermal exposure - Principles and methods; German version CEN/TS 15279:2006
DIN 51900-1:2000 Testing of solid and liquid fuels - Determination of gross calorific value by the bomb calorimeter and calculation of net calorific value - Part 1: Principles, apparatus, methods
DIN 10115:2020 Fundamentals for detection and determination of microorganisms in foodstuffs with impedance-method
DIN ISO 5725-1:1997 Accuracy (trueness and precision) of measurement methods and results - Part 1: General principles and definitions (ISO 5725-1:1994)
DIN 10348:1988-10 Determination of the total solids content of milk and cream; reference method
DIN EN ISO 8968-4:2016-09 Milk and milk products - Determination of nitrogen content - Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method) (ISO 8968-4:2016); German version EN ISO 8968-4:2016
DIN EN ISO 16634-2:2016-11 Food products - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content - Part 2: Cereals, pulses and milled cereal products (ISO 16634-2:2016); German version EN ISO 16634...

Hebei Provincial Standard of the People's Republic of China, Determination principle and method of total nitrogen

DB13/T 1224-2010 Determination method of total nitrogen in organic chemical products
DB13/T 2499.2-2017 Determination methods for liquid mixtures - Part 2: Simultaneous determination of total sulfur and total chlorine (ion chromatography)

VN-TCVN, Determination principle and method of total nitrogen

TCVN 3705-1990 Aquatic products.Method for the determination of total nitrogen and protein content
TCVN 3756-1983 Natural gas.Method for the determination of oxygen, nitrogen and methane by gas chromatography
TCVN 7113-3-2011 Ergonomic principles related to mental workload.Principles and requirements concerning methods for measuring and assessing mental workload

CZ-CSN, Determination principle and method of total nitrogen

CSN 65 4836-1983 Minerál fertilizers Methode for determination of total nitrogen content
CSN 58 0703-7-1999 Testing methods of dehydrated products and seasonings - Part 7: Determinaton of total nitrogen
CSN 83 0540 Cast.13-1984 Chemical and physical analysis of waste water Determination of organic and total nitrogen
CSN 65 2066-1983 SODIUM HYDROXIDE TECHNICAL Atomic Absorbtion Spectros- copy for Determinatior. of the Sun of Calcium and Magnesium
CSN 58 0703-8-1999 Testing methods of dehydrated products and seasonings - Part 8: Determination of ammoniacal nitrogen
CSN 44 1762-1980 Lead concentrates. Determination of bismuth. Photometric and atomic absorption methods.
CSN 44 1743-1988 Copper ores and concentrates. Nickel determination
CSN 44 1671-1989 Zinc concentrates. Determination of manganese content

ES-AENOR, Determination principle and method of total nitrogen

Danish Standards Foundation, Determination principle and method of total nitrogen

DS/EN 15750:2010 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
DS/EN 16168:2013 Sludge, treated biowaste and soil - Determination of total nitrogen using dry combustion method
DS/EN ISO 14891:2002 Milk and milk products - Determination of nitrogen content - Routine method using combustion according to the Dumas principle
DS/ISO 29441:2010 Water quality - Determination of total nitrogen after UV digestion - Method using flow analysis (CFA and FIA) and spectrometric detection
DS/ISO 29541:2011 Solid mineral fuels - Determination of total carbon, hydrogen and nitrogen content - Instrumental method
DS/EN 15104:2011 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen - Instrumental methods
DS/ISO/TR 21582:2021 Pyrogenicity – Principles and methods for pyrogen testing of medical devices
DS/EN ISO 16634-1:2009 Food products - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content - Part 1: Oilseeds and animal feeding stuffs
DS/CEN ISO/TS 16634-2:2009 Food products - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content - Part 2: Cereals, pulses and milled cereal products
DS/EN 15407:2011 Solid recovered fuels - Methods for the determination of carbon (C), hydrogen (H) and nitrogen (N) content
DS/CEN/TS 15279:2006 Workplace exposure – Measurement of dermal exposure – Principles and methods

Lithuanian Standards Office , Determination principle and method of total nitrogen

LST EN 15750-2010 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
LST EN 16168-2012 Sludge, treated biowaste and soil - Determination of total nitrogen using dry combustion method
LST EN ISO 14891:2003 Milk and milk products - Determination of nitrogen content - Routine method using combustion according to the Dumas principle (ISO 14891:2002)
LST EN 15104-2011 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen - Instrumental methods
LST ISO 6503:2001 Paints and varnishes. Determination of total lead. Flame atomic absorption spectrometric method
LST 1611-2000 Confectionery. Methods for determination moisture and total solids content
LST 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)
LST ISO 937:2000 Meat and meat products. Determination of nitrogen content (Reference method) (idt ISO 937:1978(E))
LST EN 15407-2011 Solid recovered fuels - Methods for the determination of carbon (C), hydrogen (H) and nitrogen (N) content
LST EN ISO 16634-1:2009 Food products - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content - Part 1: Oilseeds and animal feeding stuffs (ISO 16634-1:2008)

AENOR, Determination principle and method of total nitrogen

UNE-EN 15750:2010 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
UNE 34080:1974 ANALYSIS METHODS FOR CHOCOLATES. DETERMINATION OF TOTAL NITROGEN. (PROTEINS).
UNE 84047:1995 COSMETIC RAW MATERIALS. DETERMINATION OF NITROGEN. KJEDHAL'S METHOD (SEMI-MICRO).
UNE-EN ISO 14891:2002 Milk and milk products - Determination of nitrogen content - Routine method using combustion according to the Dumas principle. (ISO 14891:2002)
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 13395:1997 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).
UNE 53985-4:2004 Plastics. Test methods for polyurethane raw materials. Polyols. Part 4: Determination of total unsaturation.
UNE 33106:1974 TEST METHODS OF ALCOHOLS FOR BEVERAGE MANUFACTURE. DETERMINATION OF TOTAL ACIDITY AND TOTAL EXTRACT.
UNE-EN 15407:2011 Solid recovered fuels - Methods for the determination of carbon (C), hydrogen (H) and nitrogen (N) content
UNE 55627:1983 SURFACE ACTIVE AGENTS. SODIUM AND POTASSIUM SILICATES TO BE USED AS RAW-MATERIALS IN DETERGENT FORMULATIONS. DETERMINATION OF TOTAL ALKALINITY. TITRIMETRIC METHOD
UNE 55581:1980 SURFACE ACTIVE AGENTS. SODIUM CARBONATE FOR USE AS RAW-MATERIAL IN DETERGENT FORMULATIONS. DETERMINATION OF TOTAL SOLUBLE ALKALINITY. TITRIMETRIC METHOD
UNE 34868:1986 ICE-CREAM AND MILK ICE. DETERMINATION OF TOTAL SOLIDS. REFERENCE METHOD.
UNE-EN ISO 16634-1:2009 Food products - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content - Part 1: Oilseeds and animal feeding stuffs (ISO 16634-1:2008)
UNE 64012:1970 MIXED FEEDS AND RAW MATERIALS. QUANTITATIVE DETERMINATION OF RAW PROTEIN. MACROMETHOD.

Japanese Industrial Standards Committee (JISC), Determination principle and method of total nitrogen

JIS K 2609:1990 Crude petroleum and petroleum products -- Determination of nitrogen content
JIS H 1612:1993 Methods for determination of nitrogen in titanium and titanium alloys
JIS Z 8402-1:1999 Accuracy (trueness and precision) of measurement methods and results -- Part 1: General principles and definitions
JIS K 0400-66-20:1998 Water quality -- Determination of total mercury by flameless atomic absorption spectrometry -- Part 2: Method after pretreatment with ultraviolet radiation

European Committee for Standardization (CEN), Determination principle and method of total nitrogen

PD CEN/TS 15750:2008 Fertilizers - Determination of different forms of nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
EN ISO 14891:2002 Milk and Milk Products - Determination of Nitrogen Content - Routine Method Using Combustion According to the Dumas Principle
EN 15750:2009 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
EN 16168:2012 Sludge, treated biowaste and soil - Determination of total nitrogen using dry combustion method
EN 15104:2011 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen - Instrumental methods
EN ISO 16634-1:2008 Food products - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content - Part 1: Oilseeds and animal feeding stuffs (ISO 16634-1:2008)
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)
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
CEN ISO/TS 16634-2:2009 Food products - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content - Part 2: Cereals, pulses and milled cereal products
EN ISO 16634-2:2016 Food products - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content - Part 2: Cereals@ pulses and milled cereal products
EN 15407:2011 Solid recovered fuels - Methods for the determination of carbon (C), hydrogen (H) and nitrogen (N) content
EN ISO 8968-1:2014 Milk and milk products - Determination of nitrogen content - Part 1: Kjeldahl principle and crude protein calculation
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 10075-3:2004 Ergonomic principles related to mental workload - Part 3: Principles and requirements concerning methods for measuring and assessing mental workload

Association of German Mechanical Engineers, Determination principle and method of total nitrogen

VDI 2456-2004 Stationary source emissions - Reference method for determination of the sum of nitrogen monoxide and nitrogen dioxide - Ion chromatography method
VDI 3491 Blatt 1-2016 Measurement of particles - Methods for generating test aerosols - Principles and overview

Association Francaise de Normalisation, Determination principle and method of total nitrogen

NF EN ISO 14891:2003 Lait et produits laitiers - Détermination de la teneur en azote - Méthode pratique par combustion selon le principe de Dumas
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 15750:2010 Engrais - Détermination de la teneur en azote total des engrais ne contenant l'azote que sous forme nitrique, ammoniacale et uréique, selon deux méthodes différentes
NF U42-503*NF EN 15750:2010 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
NF EN 16168:2012 Boues, biodéchets traités et sols - Détermination de la teneur totale en azote par combustion sèche
NF X31-036*NF EN 16168:2012 Sludge, treated biowaste and soil - Determination of total nitrogen using dry combustion method.
NF V04-396*NF EN ISO 14891:2003 Milk and milk products - Determination of nitrogen content - Routine method using combustion according to the Dumas principle.
FD S99-513*FD ISO/TR 21582:2021 Pyrogenicity - Principles and methods for pyrogen testing of medical devices
NF X31-505:1992 Soil quality - Physical methods - Method for determining the bulk volume and the water content of lumps of earth
NF V03-767-1*NF EN ISO 16634-1:2008 Food products - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content - Part 1 : oilseeds and animal feeding stuffs.
NF M07-058:1992 Produits pétroliers - Dosage de l'azote total dans les distillats pétroliers - Méthode par combustion et détection par chimioluminescence.
NF EN ISO 16634-1:2008 Produits alimentaires - Détermination de la teneur en azote total par combustion selon le principe Dumas et calcul de la teneur en protéines brutes - Partie 1 : graines oléagineuses et aliments des animaux
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 T30-201:1981 Paints and varnishes. Determination of total lead. Flame atomic absorption method.
NF V03-767-2*NF EN ISO 16634-2:2016 Food products - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content - Part 2 : cereals, pulses and milled cereal products
NF X35-300-3*NF EN ISO 10075-3:2005 Ergonomic principles related to mental workload - Part 3 : principles and requirements concerning methods for measuring and assessing mental workload.
FD X43-248*FD ISO/TR 14294:2011 Workplace atmospheres - Measurement of dermal exposure - Principles and methods
NF V03-095*NF EN 14627:2005 Foodstuffs - Determination of trace elements - Determination of total arsenic and selenium by hydride generation atomic absorption spectrometry (HGAAS) after pressure digestion.
NF A22-405*NF ISO 7990:1986 Manganese ores and concentrates. Determination of total iron content. Titrimetric method after reduction and sulfosalicylic acid spectrophotometric method.
NF V04-221-4*NF 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)
NF X06-041-1*NF ISO 5725-1:1994 Application of statistics. Accuracy (trueness and precision) of measurement methods and results. Part 1 : general principles and definitions.
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 50414:2006 Méthodes d'analyse du plomb dans le PVC prélevé de l'enveloppe isolante et des gaines des câbles électriques et à fibres optiques - Méthode A : détermination de la teneur totale en plomb par spectrométrie atomique d'absorption dans la flamm...
NF T30-217:1983 Paints and varnisches. Determination of total mercury. Flameless atomic absorption spectroscopic 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

PH-BPS, Determination principle and method of total nitrogen

PTS 98-1970 Standardization of the Method of Test for the Determination of Total Nitrogen Content.Devarda Method

未注明发布机构, Determination principle and method of total nitrogen

BS 4267-2:1988(1999) Ammonium nitrate — Part 2 : Method for determination of total nitrogen content
DIN EN 14211:2005 Air quality — measurement method for determining the concentration of nitrogen dioxide and nitrogen monoxide using chemiluminescence
BS 6068-2.17:1986(2011) Water quality — Part 2 : Physical, chemical and biochemical methods — Section 2.17 Methods for determination of total cyanide

Korean Agency for Technology and Standards (KATS), Determination principle and method of total nitrogen

KS H ISO 1871-2013(2018) Agricultural food products ― General directions for the determination of nitrogen by the Kjeldahl method
KS D 2573-2015(2020) Methods for determination of nitrogen in zirconium and zirconium alloys
KS M 9102-1996(2001) WATER QUALITY-DETERMINATION OF TOTAL MERCURY BY FLAMELESS ATOMIC ABSORPTION SPECTROMETRY(METHOD AFTER PRETREATMENT WITH ULTRAVIOLET RADITION)
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 M ISO 6503:2007 Paints and varnishes－Determination of total lead－Flame atomic absorption spectrometric method
KS M ISO 7252:2007 Paints and varnishes-Determination of total mercury-Flameless atomic absorption spectrometric method
KS A ISO 5725-1:2012 Accuracy(trueness and precision) of measurement methods and results-Part 1:General principles and definitions
KS M ISO 7252:2022 Paints and varnishes — Determination of total mercury — Flameless atomic absorption spectrometric method
KS M ISO 6503-2007(2017) Paints and varnishes－Determination of total lead－Flame atomic absorption spectrometric method
KS M ISO 7252-2007(2017) Paints and varnishes－Determination of total mercury－Flameless atomic absorption spectrometric method
KS M ISO 6503:2022 Paints and varnishes — Determination of total lead — Flame atomic absorption spectrometric method
KS D ISO 4491-4-2003(2018) Metallic powders - Determination of oxygen content by reduction methods Part 4 : Total oxygen by reduction-extraction
KS M 9103-1996(2001) WATER QUALITY- DETERMINATION OF TOTAL MERCURY BY FLAMELESS ATOMIC ABSORPTION SPECTROMERTY(METHOD AFTER DIGESTION WITH BROMIN)
KS E ISO 2597-2:2009 Iron ores－Determination of total iron content－Part 2：Titrimetric methods after titanium(III) chloride reduction
KS E ISO 7990-2002(2022) Manganese ores and concentrates－Determination of total iron content－Titrimetric method after reduction and sulfosalicylic acid spectrophotometric method
KS L ISO 21068-3-2012(2017) Chemical analysis of silicon-carbide-containing raw materials and refractory products－Part 3：Determination of nitrogen, oxygen and metallic and oxidic constituents
KS A ISO 5725-1-2012(2017) Accuracy(trueness and precision) of measurement methods and results－Part 1：General principles and definitions
KS E ISO 7990-2002(2017) Manganese ores and concentrates－Determination of total iron content－Titrimetric method after reduction and sulfosalicylic acid spectrophotometric method
KS M 2418-2006(2021) Standard test method for instrumental determination of carbon, hydrogen, and nitrogen in petroleum products and lubricants
KS D ISO 10700-2008(2018) Steel and iron－Determination of manganese content－Flame atomic absorption spectrometric method
KS E ISO 7990:2002 Manganese ores and concentrates－Determination of total iron content－Titrimetric method after reduction and sulfosalicylic acid spectrophotometric method
KS M ISO 5628:2012 Paper and board-Determination of bending stiffness-General principles for two-point, three-point and four-point methods
KS M 2418-2006(2016) Standard test method for instrumental determination of carbon, hydrogen, and nitrogen in petroleum products and lubricants

International Dairy Federation (IDF), Determination principle and method of total nitrogen

IDF 185-2002 Milk and milk products - Determination of nitrogen content - Routine method using combustion according to the Dumas principle
IDF 20-1-2014 Milk and milk products - Determination of nitrogen content - Part 1: Kjeldahl principle and crude protein calculation

International Organization for Standardization (ISO), Determination principle and method of total nitrogen

ISO 14891:2002 | IDF 185:2002 Milk and milk products — Determination of nitrogen content — Routine method using combustion according to the Dumas principle
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/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 14891:2002 Milk and milk products - Determination of nitrogen content - Routine method using combustion according to the Dumas principle
ISO 14891:2002|IDF 185:2002 Determination of nitrogen content in milk and milk products using the conventional combustion method according to the Dumas principle
ISO 914:1977 Sulphuric acid and oleum for industrial use; Determination of total nitrogen content; Titrimetric method after distillation
ISO 20921:2019 Textiles — Determination of stable nitrogen isotope ratio in cotton fibres
ISO 16634-1:2008 Food products - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content - Part 1: Oilseeds and animal feeding stuffs
ISO 937:2023 Meat and meat products — Determination of nitrogen content — Reference method
ISO 8968-1:2014 Milk and milk products - Determination of nitrogen content - Part 1: Kjeldahl principle and crude protein calculation
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/DIS 21068-2 Chemical analysis of raw materials and refractory products containing silicon-carbide, silicon-nitride, silicon-oxynitride and sialon — Part 2: Determination of volatile components, total carbon, free carbon, silicon carbide, total and free silicon, free
ISO 4491-4:2019 Metallic powders — Determination of oxygen content by reduction methods — Part 4: Total oxygen by reduction-extraction
ISO 2597-2:2008 Iron ores - Determination of total iron content - Part 2: Titrimetric methods after titanium(III)chloride reduction
ISO 2597-2:2015 Iron ores - Determination of total iron content - Part 2: Titrimetric methods after titanium(III) chloride reduction
ISO 7252:1984 Paints and varnishes; Determination of total mercury; Flameless atomic absorption spectrometric method
ISO 6503:1984 Paints and varnishes; Determination of total lead; Flame atomic absorption spectrometric method
ISO 6676:1990 Acid-grade and ceramic-grade fluorspar — Determination of total phosphorus content — Reduced-molybdophosphate spectrometric method
ISO 29441:2010 Water quality - Determination of total nitrogen after UV digestion - Method using flow analysis (CFA and FIA) and spectrometric detection
ISO 10075-3:2004 Ergonomic principles related to mental workload - Part 3: Principles and requirements concerning methods for measuring and assessing mental workload
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 7990:1985 Manganese ores and concentrates; Determination of total iron content; Titrimetric method after reduction and sulfosalicylic acid spectrophotometric method
ISO/CD TR 20659-1:2023 Rheological test methods — Fundamentals and interlaboratory comparisons — Part 1: Determination of the yield point
ISO/DTR 20659-1:2023 Rheological test methods — Fundamentals and interlaboratory comparisons — Part 1: Determination of the yield point
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 6676:1993 Acid-grade and ceramic-grade fluorspar; determination of total phosphorus content; reduced-molybdophosphate spectrometric method

PT-IPQ, Determination principle and method of total nitrogen

NP 1612-2002 Meat and meat products Determination of nitrogen content Reference method

ES-UNE, Determination principle and method of total nitrogen

UNE-EN 16168:2012 Sludge, treated biowaste and soil - Determination of total nitrogen using dry combustion method (Endorsed by AENOR in October of 2012.)
UNE-EN ISO 16634-2:2016 Food products - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content - Part 2: Cereals, pulses and milled cereal products (ISO 16634-2:2016)
UNE-EN ISO 21663:2021 Solid recovered fuels - Methods for the determination of carbon (C), hydrogen (H), nitrogen (N) and sulphur (S) by the instrumental method (ISO 21663:2020)
UNE-EN ISO 8968-4:2016 Milk and milk products - Determination of nitrogen content - Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method) (ISO 8968-4:2016)

Professional Standard - Urban Construction, Determination principle and method of total nitrogen

CJ 26.27-1991 Municipal sewage water quality inspection method standard Determination of total nitrogen Titration method after distillation

IN-BIS, Determination principle and method of total nitrogen

Yunnan Provincial Standard of the People's Republic of China, Determination principle and method of total nitrogen

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

CEN - European Committee for Standardization, Determination principle and method of total nitrogen

PD CEN/TS 15104:2005 Solid biofuels - Determination of total content of carbon@ hydrogen and nitrogen - Instrumental methods
EN ISO 8968-4:2001 Milk - Determination of Nitrogen Content - Part 4: Determination of Non-Protein Nitrogen Content
EN ISO 8968-1:2001 Milk - Determination of Nitrogen Content - Part 1: Kjeldahl Method
PD CEN/TS 15407:2006 Solid recovered fuels - Method for the determination of carbon (C)@ hydrogen (H) and nitrogen (N) content

ZA-SANS, Determination principle and method of total nitrogen

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

YU-JUS, Determination principle and method of total nitrogen

JUS H.G8.158-1984 Reagents. Sodium carbonate anhydrous and sodium carbonate decahydrate. Determination of total ni-trogen contont. Colorimetric method
JUS B.H8.320-1988 Methods of analysis of coal and coke. Determination of nitrogen ccmtent - Makro Kjeldahl nethod
JUS C.A1.052-1986 Methods for chemical analysis of iron and steel. Determination of total silicon. Gravimetric method
JUS B.H8.338-1986 Methnds of analysis of coal and coke. Coke - Determination of total moisture
JUS B.H8.316-1984 Methods of analysis of coal nad coke. Determination of total sulphur. High temperature combustion method

NL-NEN, Determination principle and method of total nitrogen

NEN 6646-1990 Water - Photometric determination of the content of ammonium nitrogen and of the sum of the contents of ammoniacal and organically bound nitrogen according to Kjeldahl by continuous flow analysis
NEN 6482-1982 Water - Determination of the sum of ammoniacal and organically bound nitrogen according to Kjeldahl after mineralization with selenium
NEN 6481-1983 Water - Determination of the sum of ammoniacal and organically bound nitrogen according to Kjeldahl after mineralization with selenium
NEN 6641-1983 Sludge - Determination of the sum of ammoniacal and organically bound nitrogen according to Kjeldahl after mineralization with selenium
NEN 6622-1988 Sludge - Determination of sand and other acidinsoluble material, and the fraction with a partiele size greater than 0,1 mm - Gravimetric method

Professional Standard - Non-ferrous Metal, Determination principle and method of total nitrogen

YS/T 587.15-2023 Calcined coke for prebaked blocks— Part 15: Determination of total carbon,hydrogen and nitrogen contents
YS/T 575.14-2007 Methods for chemical analysis of bauxite.Part 14:Determination the total content of rare earth oxide.Tribromo-arsenazo photometric method
YS/T 581.7-2006 Determination of chemical contents and physical properties of aluminium fluoride Part 7:Determination of iron content by orthophenantholine photometric method
YS/T 273.7-2006 Chemical analysis methods and physical properties of cryolite. Part 7:Determination of iron content by orthophenantholine photometric method
YS/T 520.5-2007 Chemical analysis of gallium.Part 5: Determination of calcium content.The NO-CH flame atomic absorption spectral method
YS/T 581.5-2006 Determination of chemical contents and physical properties of aluminium fluoride Part 5:Determination of sodium by flame atomic absorption spectrometric method
YS/T 273.5-2006 Chemical analysis methods and physical properties of cryolite. Part 5:Determination of sodium by flame atomic absorption spectrometric method

AT-ON, Determination principle and method of total nitrogen

ONORM ISO 5666 Teil.2:1984 Water quality; determination of total mercury by flameless atomic absorption spectrometry; method after pretreatment with ultraviolett radiation
ONORM DIN 10348-1992 Determination of total solids content of milk and cream - Reference method

(U.S.) Ford Automotive Standards, Determination principle and method of total nitrogen

FORD FLTM EU-BA 054-01-2000 METAL FOIL METHOD FOR DETERMINATION OF C- AND N-POTENTIAL OF CARBURIZING AND CARBONITRIDING FURNACE ATMOSPHERES

Canadian Standards Association (CSA), Determination principle and method of total nitrogen

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

Professional Standard - Commodity Inspection, Determination principle and method of total nitrogen

SN/T 2115-2008 Determination of the hotel nitrogen content and calculation of the crude protein content in food and feed for import and export.Combustion according to the Dumas principle

BELST, Determination principle and method of total nitrogen

STB 1932-2009 Wine production and wine raw material. Method for free and total sulphurous acid determination

HU-MSZT, Determination principle and method of total nitrogen

MSZ 21853/10-1979

Professional Standard - Hygiene , Determination principle and method of total nitrogen

WS/T 27-1996 Urine.Separate Determination of organic,inorganic and total mercury.Selective reduction cold atomic absorption spectrometric method

KR-KS, Determination principle and method of total nitrogen

KS M ISO 7252-2022 Paints and varnishes — Determination of total mercury — Flameless atomic absorption spectrometric method
KS M ISO 6503-2022 Paints and varnishes — Determination of total lead — Flame atomic absorption spectrometric method

Liaoning Provincial Standard of the People's Republic of China, Determination principle and method of total nitrogen

DB21/T 2974-2018 Determination of Total Sulfur and Total Chlorine in Crude Oil and Liquid Petroleum Products Combustion Oxidation-Ion Chromatography

Jiangxi Provincial Standard of the People's Republic of China, Determination principle and method of total nitrogen

DB36/T 689-2012 Chemical analysis method of ionic rare earth raw ore Determination of total amount of rare earth in ionic phase EDTA titration method

RO-ASRO, Determination principle and method of total nitrogen

STAS SR ISO/TR 9274:1995 Rolling bearings - Measuring and gauging principles and methods
STAS SR 13155-9-1997 Ores: and rare earths concentrates Method for determination of total iron content
STAS SR ISO 7990:1996 Manganese ores and concentrates — Determination of total iron content - Titrirnetiic method after reriuction and sulfosalicylic acid spectrofotometric rnpthod

Group Standards of the People's Republic of China, Determination principle and method of total nitrogen

T/SDAQI 054-2021 Textiles - Determination of total content of lead and cadmium in metallic accessories

Military Standard of the People's Republic of China-General Armament Department, Determination principle and method of total nitrogen

GJB 2589.20A-2021 Test methods for physical and chemical properties of military leather fur Part 20: Determination of nitrogen content and cortex

CU-NC, Determination principle and method of total nitrogen

NC 34-47-1987 Agricultural Machinery and Elements. Forestry and Agricultural Machines. Methodology for the Determination of Testing Conditions
NC 34-48-1987 Agricultural Machinery and Elements. Foresty and Agricultural Machines. Energetic Evaluation. Methodology for its Impleraentation
NC 28-08-1987 Fertilxzers. Mixed, Granulated and Complex Fertilizers. Determination of Total Nitrogen, Assimilable Phosphorus and Potassium by the Weighing Method

Professional Standard - Rare Earth, Determination principle and method of total nitrogen

XB/T 619-2015 Chemical analysis methods of ion type rare earth ore.Determination of total rare earth ion phase

SE-SIS, Determination principle and method of total nitrogen

SIS SS 02 84 23-1991 Air Quality — Stationary source emissions — Determination of the total mass concentration ofmercury — Flameless atomic absorption methods

Professional Standard - Electricity, Determination principle and method of total nitrogen

DL/T 2296-2021 Determination method of total mercury in coal and coal ash direct combustion method

中华人民共和国国家质量监督检验检疫总局、中国国家标准化管理委员会, Determination principle and method of total nitrogen

GB/T 33208-2016 Non-destructive testing—Practice for the blades on-line monitoring based on tip-timing theory
GB/T 33086-2016 Water treatment chemical—Determination of arsenic and mercury—Atomic fluorescence spectrometry

AR-IRAM, Determination principle and method of total nitrogen

IRAM 14 007-1958

PL-PKN, Determination principle and method of total nitrogen

PN Z04092 Arkusz 01-1974 Air purity protectlon Tests tor nitric acid and nitrogen oxides Determination of nitric acid and total amount of nitric acid and nitrogen oxides in the work station by the colorimetric method with phenoldisulphonic acid

American National Standards Institute （ANSI), Determination principle and method of total nitrogen

ANSI/ASTM D4661:1998 Polyurethane-Isocyanate Raw Materials, Determination of Total Chlorine, Method for Testing (08.03)

International Telecommunication Union (ITU), Determination principle and method of total nitrogen

ITU-T P.78-1996 Subjective Testing Method for Determination of Loudness Ratings in Accordance with Recommendation P.76 - Telephone Transmission Quality Measurements Related to Speech Loudness Study Group 12; 21 pp

国家能源局, Determination principle and method of total nitrogen

NB/SH/T 0986-2019 Determination of total oxygen content in gasoline, diesel and methanol fuels - reduction cracking method

工业和信息化部, Determination principle and method of total nitrogen

YS/T 273.16-2020 Methods of chemical analysis and physical properties of cryolite Part 16: Determination of lithium content Flame atomic absorption spectrometry

Professional Standard - Agriculture, Determination principle and method of total nitrogen

水产品质量安全检验手册 2.17.1.0-2005 Chapter 2 Basic Analysis Methods for Physical and Chemical Testing of Aquatic Products Section 17 Determination of Volatile Base Nitrogen in Aquatic Products (GBT 5009.44-2003) 1. Semi-trace Nitrogen Determination Method

Professional Standard - Light Industry, Determination principle and method of total nitrogen

QB/T 2623.3-2003 Test methods of soaps Determination of total alkali content and total fatty matter content in soaps

IT-UNI, Determination principle and method of total nitrogen

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

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

GB/T 6609.12-2018 Chemical analysis methods and determination of physical performance of alumina—Part 12：Determination of zinc oxide content—Flame atomic absorption spectrometry method

Professional Standard - Ferrous Metallurgy, Determination principle and method of total nitrogen

YB/T 190.8-2014 Continuous casting powder.The determination of iron content.The o-phenanthroline spectrophotometric method and the flame atomic absorption method

TR-TSE, Determination principle and method of total nitrogen

TS 2550-1977 Essential Ratings And Characteristics Of Semiconductor Devices And General Principles Of Measuring Methods Part 0; General And Terminology

International Electrotechnical Commission (IEC), Determination principle and method of total nitrogen

IEC 60147-0:1966 Essential ratings and characteristics of semiconductor devices and general principles of measuring methods. Part 0: General and terminology