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Database: 365,228(8 Aug 2026)

Thermoelectric Total Nitrogen

Thermoelectric Total Nitrogen, Total:281 items.

The international standard classification for "Thermoelectric Total Nitrogen" includes: Fertilizers , Electrical accessories , Heat treatment and coating , Rubber , Electromechanical components for electronic and telecommunications equipment , Ferroalloys , Edible oils and fats. Oilseeds , Chemical reagents , Photographic equipment. Projectors , Thermistors , Inorganic chemicals in general , Water quality .

The Chinese standard classification for "Thermoelectric Total Nitrogen" includes: Soil and fertilizer in general , Low voltage apparatus in general , Heat treatment , Rubber products in general , Insulating parts for electronic equipment , Steel and iron alloy analysis method , Basic standards and general methods , Chemical reagent in general , Photographic-grade chemicals , Chemical fertilizer and chemical soil conditioner , Industrial and educational television , Basic standards and general methods on chemical fertilizers , Sensitive component and sensor , Inorganic chemicals in general , Water supply and draining instrument and equipment , Analysis methods for toxic substances in water , Tobacco .


Group Standards of the People's Republic of China

  • T/CHES 15-2017 Determination of Total Nitrogen in Water Quality Gas Phase Molecular Absorption Spectrometry
  • T/QAS 071-2021 Determination of total nitrogen in brine Kjeldahl method
  • T/NAIA 044-2021 Urine Total Nitrogen Determination in Livestock Kjeldahl Method

National Metrological Verification Regulations of the People's Republic of China

  • JJG 1094-2013 Water Quality On-line Analyzers of Total Phosphorus and Total Nitrogen

Jilin Provincial Standard of the People's Republic of China

  • DB22/T 1932-2013 Determination method of total nitrogen content in peat (Kjeldahl method)

Jiangsu Provincial Standard of the People's Republic of China

  • DB32/T 4541-2023 Sea water quality evaluation guide for total nitrogen and total phosphorus

Professional Standard - Agriculture

  • GB 8572-1988 Determination of total nitrogen content in compound fertilizer
  • NY/T 1977-2010 Water-soluble fertilizers--Determination of total nitrogen,phosphorus and potassium content
  • HJ 199-2023 Water quality―Determination of total nitrogen ―Gas-phase molecular absorption spectrometry
  • NY/T 2542-2014 Fertilizers. Determination of total nitrogen nitrogen content
  • GB 609-1988 General method for the determination of total nitrogen content of chemical reagents
  • SL/T 788.1-2019 Part 1: Determination of total nitrogen in water quality
  • GB/T 609-2018(XG1-2024) Chemical Reagents General Method for Determination of Total Nitrogen

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

Heilongjiang Provincial Standard of the People's Republic of China

  • DB23/T 3310-2022 Water quality total nitrogen monitoring technical specification
  • DB23/T 2668-2020 Technical regulations for staged diagnosis of total nitrogen fertilizer control in rice

Professional Standard - Machinery

  • JB/T 10320-2002 Household and similar silicon nitride ceramic heating elements used for electric heating appliances
  • JB/T 8491.5-2008 Technical requirement heat treatment for machine tool parts—part 5:Nitriding and nitrocarburzong
  • JB/T 8491.5-1996 Technical conditions for heat treatment of machine tool parts Nitriding and nitrocarburizing
  • JB/T 8580-1997 Specifications for silicon nitride glow plugs for diesel engines

未注明发布机构

  • DIN 51732 E:2013-07 Testing of solid mineral fuels - Determination of total carbon, hydrogen and nitrogen - Instrumental methods
  • ASTM RR-D19-1194 2016 D8083-Test Method for Total Nitrogen, and Total Kjeldahl Nitrogen (TKN) by Calculation, in Water by High Temperature Catalytic Combustion and Chemiluminescence Detection

Taiwan Provincial Standard of the People's Republic of China

  • CNS 8991-1982 Chemical Reagent(Ammonium Salt Nitrates and Total Nitrogen Determination)
  • CNS 3944-1976 Method for Determination of Total Kjeloahl Nitrogen in Polluted and Waste Water

Professional Standard - Aviation

工业和信息化部

  • YB/T 4528-2016 Nitrogen-bearing ferrochromium and nitride ferrochrome with high nitrogen content. Determination of nitrogen contenr. Thermal conductimetric method after fusion in a current of inert gas
  • YB/T 4529-2016 Nitrogen-bearing ferromanganese. Determination of nitrogen content. Thermal conductimetric method after fusion in a current of inert gas
  • HG/T 5669-2019 Textile dyeing and finishing auxiliaries- Determination of total nitrogen
  • YB/T 4566.1-2016 Ferrovanadium nitride. Determination of conduct. Thermal conductimetric method after fusion in a current of inert gas

国家市场监督管理总局、中国国家标准化管理委员会

  • GB/T 40723-2021 Rubber—Determination the contents of total sulfur and total nitrogen — Automatic analyser method
  • GB/T 24583.2-2019 Vanadium-nitrogen—Determination of nitrogen content—Thermal conductimetric method after fusion in a current of inert gas
  • GB/T 39975-2021 Aluminum nitride ceramic dissipate heat substrates

General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

  • GB/T 13189-1991 Geanral specification for the indirectly heated thermistors with negative temperature coefficient
  • GB/T 2441.1-2001 Determination of urea-Determination of total nitrogen content
  • 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 609-2018 Chemical reagent—General method for the determination of total nitrogen
  • GB/T 15302-1994 Generic specification for pyroelectric television cameras
  • GB/T 23835.12-2009 Lithium perchlorate anhydrous - Part 12: Determination of total nitrogen content
  • GB/T 41965-2022 Photography—Processing waste—Determination of total amino nitrogen (microdiffusion Kjeldahl method)
  • GB/T 609-1988 Chemical reagent-General method for the determination of total nitrogen
  • GB/T 17767.1-1999 Determination of total nitrogen content for organic-inorganic compound fertilizers
  • GB/T 609-2006 Chemical Reagent - General Method for the Determination of Total Nitrogen
  • GB/T 9823-1988 Method for determination of total nitrogen content in oilseed residues
  • GB/T 2441.1-2008 Determination of urea - Part 1: Total nitrogen content

Professional Standard - Environmental Protection

  • HJ/T 102-2003 The technical requirement for water quality automatic ananlyzer of total nitrogen
  • HJ/T 199-2005 Water quality -- Determination of total-nitrogen Gas-phase molecular absorption spectrometry

Hebei Provincial Standard of the People's Republic of China

  • DB13/T 1224-2010 Determination method of total nitrogen in organic chemical products

Professional Standard - Electron

Professional Standard - Commodity Inspection

  • SN/T 3097-2012 Determination of total nitrogen in fertilizers-Combustion

Professional Standard - Urban Construction

  • CJ/T 77-1999 Municipal sewage.Determination of total nitrogen.Distillation and titration method

Professional Standard - Tobacco

  • YC/T 33-1996 Tobacco and tobacco products -- Determination of total nitrogen -- Kendal method

Professional Standard - Aerospace

HU-MSZT

Association Francaise de Normalisation

  • NF V04-211:1971 MILK. DETERMINATION OF TOTAL NITROGEN CONTENT. (KJELDAHL METHOD).
  • NF U42-147*NF EN 15561:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrate
  • NF EN 15478:2009 Fertilizers - Determination of total nitrogen in urea
  • NF EN 13716:2002 Surfactants - Determination of total basic nitrogen content - Potentiometric titration
  • NF T73-282*NF EN 13716:2002 Surface active agents - Determination of total base nitrogen - Potentiometric titration.
  • NF X31-111*NF ISO 11261:1995 Soil quality. Determination of total nitrogen. Modified kjeldahl method.
  • 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 U42-416*NF EN 15478:2009 Fertilizers - Determination of total nitrogen in urea.
  • NF EN 15750:2010 Fertilizers - Determination of the total nitrogen content of fertilizers containing nitrogen only in nitric, ammoniacal and urea form, using two different methods
  • NF ISO 20620:2022 Fertilizers and amendments - Determination of total nitrogen by combustion
  • NF U42-151:1984 Fertilizers. Determination of total nitrogen content. Titrimetric method after distillation.
  • NF A06-555:2010 Steel - Determination of nitrogen content - Spectrophotometric method.
  • NF EN 15561:2009 Fertilizers - Determination of total nitrogen in nitrated calcium cyanamide
  • NF X34-117*NF EN ISO 16948:2015 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen
  • NF U42-504*NF ISO 20620:2022 Fertilizers and soil conditioners - Determination of total nitrogen by combustion
  • NF EN ISO 20236:2021 Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (COD), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after catalytic oxidative combustion at high temperature
  • NF T90-236*NF EN ISO 20236:2021 Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after high temperature catalytic oxidative combustion
  • NF EN ISO 16948:2015 Solid biofuels - Determination of total carbon, hydrogen and nitrogen content
  • NF EN 15560:2009 Fertilizers - Determination of total nitrogen in nitrate-free calcium cyanamide

PL-PKN

SCC

  • SN-CEN/TS 15750:2008 Fertilizers — Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
  • NS-EN 15750:2009 Fertilizers — Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
  • DANSK DS/EN 15750:2009 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
  • AENOR UNE-EN 15750:2010 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
  • BS DD CEN/TS 15750:2008 Fertilizers. Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
  • DIN EN 15750 E:2009 Draft Document - Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods; German version prEN 15750:2009
  • NS 4745:1991 Water analysis - Determination of the sum of nitrite nitrogen and nitrate nitrogen
  • DANSK DS/EN 15478:2009 Fertilizers - Determination of total nitrogen in urea
  • AS 1871.11:1976 List of methods for examination of waters Nitrogen (total Kjeldahl incl. ammoniacal)
  • NS-EN 13716:2001 Surface active agents — Determination of total base nitrogen — Potentiometric titration
  • SN-CEN/TS 15478:2006 Fertilizers — Determination of total nitrogen in urea
  • NS-EN 15478:2009 Fertilizers — Determination of total nitrogen in urea
  • UNE-CEN/TS 15478:2007 EX Fertilizers - Determination of total nitrogen in urea
  • DANSK DS/EN 13716:2002 Surface active agents - Determination of total base nitrogen - Potentiometric titration
  • NS 4865:1983 Air quality — Determination of the sum of nitrite- and nitrate-nitrogen in precipitation
  • 08/30179310 DC BS EN 15478. Fertilizers. Determination of total nitrogen in urea
  • SN-CEN/TS 15560:2007 Fertilizers — Determination of total nitrogen in calcium cyanamide nitrate free
  • AENOR UNE-EN 15560:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
  • NS-EN 15560:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
  • UNE-CEN/TS 15560:2007 EX Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
  • DANSK DS/EN 15560:2009 Fertilizers – Determination of total nitrogen in calcium cyanamide nitrate free
  • DANSK DS/EN 13342:2001 Characterisation of sludges - Determination of total Kjeldahl nitrogen
  • DANSK DS/ISO 20236:2018 Water quality – Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after high temperature catalytic oxidative combustion
  • NS 4743:1993 Water analysis — Determination of total nitrogen after oxidation by peroxodisulphate
  • DANSK DS/ISO 21793:2020 Water quality – Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb), dissolved bound nitrogen (DNb), total bound phosphorus (TPb) and dissolved bound phosphorus (DPb) after wet chemical catalysed ozon...
  • NS-EN 15560:2023 Inorganic fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
  • DANSK DS/EN ISO 20236:2021 Water quality – Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after high temperature catalytic oxidative combustion (ISO 20236:2018)

NL-NEN

VN-TCVN

  • TCVN 6498-1999 Soil quality.Determination of total nitrogen.Modifierd Kejldahl method
  • TCVN 5265-1990 Bee products.Determination of total nitrogen content
  • TCVN 7252-2003 Tobacco and tobacco products.Determination of total nitrogen content
  • TCVN 7373-2004 Soils quality.Index values of total nitrogen content in the soils of Vietnam
  • 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
  • TCVN 6645-2000 Soil quality.Determination of total nitrogen content by dry combustion ("elemental analysis")
  • TCVN 3705-1990 Aquatic products.Method for the determination of total nitrogen and protein content

American Society for Testing and Materials (ASTM)

  • ASTM D3590-02 Standard Test Methods for Total Kjeldahl Nitrogen in Water
  • ASTM D3590-17 Standard Test Methods for Total Kjeldahl Nitrogen in Water
  • ASTM D3590-11 Standard Test Methods for Total Kjeldahl Nitrogen in Water
  • 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 D2973-71(1998) Standard Test Method for Total Nitrogen in Peat Materials
  • ASTM D2973-16 Standard Test Method for Total Nitrogen in Peat Materials
  • ASTM D2973-10e1 Standard Test Method for Total Nitrogen in Peat Materials
  • ASTM D2973-71(2004) Standard Test Method for Total Nitrogen in Peat Materials
  • ASTM D2973-22 Standard Test Method for Total Nitrogen in Peat Materials
  • ASTM D2973-23 Standard Test Method for Total Nitrogen in Peat Materials
  • ASTM D2973-10 Standard Test Method for Total Nitrogen in Peat Materials
  • 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 D5176-20 Standard Test Method for Total Chemically Bound Nitrogen in Water by Pyrolysis and Chemiluminescence Detection
  • 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 D5176-91(1995) Standard Test Method for Total Chemically Bound Nitrogen in Water by Pyrolysis and Chemiluminescence Detection
  • ASTM D5176-91(2003) Standard Test Method for Total Chemically Bound Nitrogen in Water by Pyrolysis and Chemiluminescence Detection
  • ASTM D3590-02(2006) Standard Test Methods for Total Kjeldahl Nitrogen in Water
  • ASTM D3590-89(1994)e1 Standard Test Methods for Total Kjeldahl Nitrogen in Water
  • ASTM D5176-08(2015) 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 E258-67(2002) Standard Test Method for Total Nitrogen in Organic Materials by Modified Kjeldahl Method

CZ-CSN

Association of Official Analytical Chemists (AOAC)

German Institute for Standardization

  • 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 EN 13716:2003-05 Surface active agents - Determination of total base nitrogen - Potentiometric titration; German version EN 13716:2001
  • DIN EN 13716:2003 Surface active agents - Determination of total base nitrogen - Potentiometric titration; German version EN 13716:2001
  • DIN EN 15478:2009-04 Fertilizers - Determination of total nitrogen in urea; German version EN 15478:2009
  • DIN EN 15478:2009 Fertilizers - Determination of total nitrogen in urea; English version of DIN EN 15478:2009-04
  • 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 EN 15560:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free; English version of DIN EN 15560:2009-06
  • DIN ISO 11261:1997 Soil quality - Determination of total nitrogen - Modified Kjeldahl method (ISO 11261:1995)
  • DIN 17022-4:1998-01 Heat treatment of ferrous materials - Methods of heat treatment - Part 4: Nitriding and nitrocarburizing
  • DIN ISO 14255:1998-11 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 16948:2015-09 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen (ISO 16948:2015); German version EN ISO 16948:2015
  • DIN EN 15560:2023 Inorganic fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
  • 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 20236:2023 Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TN) and dissolved bound nitrogen (DN) after high temperature catalytic oxidative combustion (ISO 20236:2018)

Danish Standards Foundation

  • DS 223:1991 Water analysis. Determination of the sum of nitrite- and nitrate-nitrogen
  • DS/EN 13716:2002 Surface active agents - Determination of total base nitrogen - Potentiometric titration
  • 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 15478:2009 Fertilizers - Determination of total nitrogen in urea
  • DS/EN 13342:2001 Characterisation of sludges - Determination of total Kjeldahl nitrogen
  • DS/EN 15560:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free

Korean Agency for Technology and Standards (KATS)

  • KS I ISO 11261-2008(2018) Soil quality-Determination of total nitrogen-Modified Kjeldahl method
  • KS I ISO 11261-2008(2021) Soil quality-Determination of total nitrogen-Modified Kjeldahl method
  • KS I ISO 11261:2008 Soil quality-Determination of total nitrogen-Modified Kjeldahl method
  • KS M ISO 6851-2002(2017) Photography-Processing waste-Determination of total amino nitrogen-Microdiffusion Kjeldahl method
  • KS M ISO 6851:2002 Photography-Processing waste-Determination of total amino nitrogen-Microdiffusion Kjeldahl method
  • KS M ISO 6851-2022 Photography-Processing waste-Determination of total amino nitrogen-Microdiffusion Kjeldahl method
  • KS M ISO 5315-2007(2012) Fertilizers-Determination of total nitrogen content-Titrimetric method after distillation
  • KS I ISO 14255-2023 Soil quality-Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant
  • KS I ISO 14255:2009 Soil quality-Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant
  • KS I ISO 14255-2009(2019) Soil quality-Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant
  • KS M ISO 5315:2007 Fertilizers-Determination of total nitrogen content-Titrimetric method after distillation
  • KS M ISO 5315:2013 Fertilizers-Determination of total nitrogen content-Titrimetric method after distillation
  • KS H ISO 1871-2013(2018) Agricultural food products ― General directions for the determination of nitrogen by the Kjeldahl method
  • KS C 2710-1990 General Rules for Directly Heated Negative Temperature Coefficient Thermistors
  • KS M ISO 16948:2021 Solid biofuels — Determination of total content of carbon, hydrogen and nitrogen

PT-IPQ

  • NP 3646-1987 fertilizer. Measurement of total nitrogen content

GOSTR

AENOR

  • UNE-EN 15750:2010 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
  • UNE-EN 13716:2002 Surface active agents - Determination of total base nitrogen - Potentiometric titration.
  • UNE 77318:2001 Soil quality. Determination of total nitrogen. Modified Kjeldahl method.
  • UNE-EN 15478:2009 Fertilizers - Determination of total nitrogen in urea
  • UNE 77306:1999 SOIL QUALITY. DETERMINATION OF NITRATE NITROGEN, AMMONIUM NITROGEN AND TOTAL SOLUBLE NITROGEN IN AIR-DRY SOIL USING CALCIUM CHLORIDE SOLUTION AS EXTRACTANT.
  • UNE 34080:1974 ANALYSIS METHODS FOR CHOCOLATES. DETERMINATION OF TOTAL NITROGEN. (PROTEINS).
  • UNE-EN 15560:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free

Lithuanian Standards Office

  • LST EN 13716-2002 Surface active agents - Determination of total base nitrogen - Potentiometric titration
  • 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 15478-2009 Fertilizers - Determination of total nitrogen in urea
  • LST EN 15560-2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free

ZA-SANS

  • SANS 5922:1978 Total moisture content of coal (nitrogen-oven method)

RU-GOST R

  • GOST 26715-1985 Organic fertilizers. Methods for determination of total nitrogen
  • GOST EN 15478-2013 Fertilizers. Determination of total nitrogen in urea
  • GOST 26107-1984 Soils. Methods for determination of total 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 10671.4-2016 Reagents. Methods for determination of total nitrogen impurity
  • GOST 30181.3-1994 Mineral fertilizers. Method for determination of mass fraction of nitrogen in fertilizers with nitrate nitrogen

International Organization for Standardization (ISO)

  • ISO 11261:1995 Soil quality - Determination of total nitrogen - Modified Kjeldahl method
  • ISO 3099:1974 Oilseed residues — Determination of total nitrogen content
  • ISO 21793:2020 Water quality — Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb), dissolved bound nitrogen (DNb), total bound phosphorus (TPb) and dissolved boun
  • 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 20236:2018 Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after high temperature catalytic oxidative combustion
  • ISO 20620:2021 Fertilizers and soil conditioners - Determination of total nitrogen by combustion
  • ISO 5315:1984 Fertilizers; Determination of total nitrogen content; Titrimetric method after distillation
  • ISO 16948:2015 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen
  • ISO/DIS 20236:2023 Water quality — Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TN b) and dissolved bound nitrogen (DN b) after high temperature catalytic oxidative combustion
  • ISO/CD 20236 Water quality — Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TN b) and dissolved bound nitrogen (DN b) after high temperature catalytic oxidative combustion

European Committee for Standardization (CEN)

  • EN 13716:2001 Surface active agents - Determination of total base nitrogen - Potentiometric titration
  • EN 15478:2009 Fertilizers - Determination of total nitrogen in urea
  • PD CEN/TS 15750:2008 Fertilizers - Determination of different forms of nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
  • EN 15750:2009 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
  • EN ISO 20236:2021 Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after high temperature catalytic oxidative combustion (ISO 20236:2018)
  • EN 15560:2023 Inorganic fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free

Indonesia Standards

  • SNI 13-4721-1998 Methods for determination of total nitrogen content in soils
  • SNI 06-6323-2000 Determination of total nitrogen content in peat
  • SNI 4146-2013 Method for determination of total nitrogen content in sediment by Kjeldahl titration method
  • SNI 19-1501-1989 Test methods for total nitrogen oxide in air

CEN - European Committee for Standardization

British Standards Institution (BSI)

  • BS EN 15478:2009 Fertilizers - Determination of total nitrogen in urea
  • 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 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 13716:2002 Surface active agents - Determination of total base nitrogen - Potentiometric titration
  • BS 7755-3.7:1995 Soil quality. Chemical methods. Determination of total nitrogen. Modified Kjeldahl method
  • BS ISO 6851:2001 Photography. Processing waste. Determination of total amino nitrogen (microdiffusion 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 4267-2:1988 Ammonium nitrate - Method for determination of total nitrogen content
  • BS EN ISO 20236:2021 Water quality. Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TN b ) and dissolved bound nitrogen (DN b ) after high temperature catalytic oxidative combustion
  • BS EN ISO 20236:2021(2022) Water quality — Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after high temperature catalytic oxidative combustion
  • BS ISO 20620:2021 Fertilizers and soil conditioners. Determination of total nitrogen by combustion
  • BS EN 60539-1:2002 Directly heated negative temperature coefficient thermistors - Generic specification
  • BS EN 60738-1:2006+A1:2009 Thermistors - Directly heated positive temperature coefficient - Generic specification
  • BS EN 60738-1:2006 Thermistors - Directly heated positive temperature coefficient - Part 1: Generic specification
  • BS EN ISO 16948:2015 Solid biofuels. Determination of total content of carbon, hydrogen and nitrogen
  • DD CEN/TS 15560:2007 Fertilizers. Determination of total nitrogen in calcium cyanamide nitrate free
  • 21/30442087 DC BS EN 15560. Fertilizers. Determination of total nitrogen in calcium cyanamide nitrate free
  • BS EN 15560:2023 Inorganic fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
  • BS 4267-2:1988(1999) Ammonium nitrate — Part 2 : Method for determination of total nitrogen content

U.S. Military Regulations and Norms

GOST

  • GOST 34789-2021 Brewing products. Identification. Determination of mass concentration of total nitrogen by Kjeldahl method

NO-SN

  • NS 4745-1991 Water analysis - Determination of the sum of nitrite nitrogen and nitrate nitrogen
  • NS 4743-1993 Water analysis. Determination of total nitrogen after oxidation with peroxodisulphate

YU-JUS

  • JUS H.B8.288-1983 Fertilizers. Determination of content total-nitrogen. Volumetric method
  • JUS H.G8.083-1983 Reagents. Sodium chloride. Determination of total nitrogen content. Colorimetric method
  • JUS H.G8.457-1991 Reagents. Potassium sulpbate. Determination of total nltrogen content. Colorlmetrlc metho?
  • JUS H.G8.435-1990 Reaqents. Potassium iodide. Determination of total nitroaen content. Colorimetric method
  • JUS H.G8.055-1983 Reagents. Hydrogen peroxide. Determination of total nitrogen content. Colorimetric method
  • JUS H.G8.415-1991 Reagents. So?ium hydroxide. Determination of total nitrogen content. Colorimetric method
  • JUS H.G8.104-1984 Reagents. Potassium chloride. Determination of total nitrogen content. Colorimetric method
  • JUS H.G8.290-1987 Reagents. Copper(ll) oxide. Determination of total nitrogen content. Colorimetric method
  • JUS E.Z8.016-1993 Soups,broaths,sauces and seasonings - Determination of total nitrogen content
  • JUS H.G8.343-1988 Reagents. Zine chloride. Determination of total nitrogen content. Colorinetcic metbod
  • JUS H.G8.447-1990 Reagents. Zine sulphate heptahydrate. Determination of total nitrogen content. Colorimetric method
  • JUS H.G8.489-1991 Reagents. Potassium permanganate. Determination of total nitrogen content. Colorimetric method
  • JUS H.G8.514-1991 Reagents. Potassium hydroxide. Determination of total nitrogen content. Colorimetric method

IN-BIS

GSO

  • GSO ISO 6851:2015 Photography -- Processing waste -- Determination of total amino nitrogen (microdiffusion Kjeldahl method)
  • GSO ISO 14255:2013 Soil quality - Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant
  • OS GSO ISO 14255:2013 Soil quality - Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant
  • GSO ISO 21793:2024 Water quality — Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb), dissolved bound nitrogen (DNb), total bound phosphorus (TPb) and dissolved bound phosphorus (DPb) after wet chemical catalysed ozon...

Japanese Industrial Standards Committee (JISC)

  • JIS K 0102-2:2022 Testing methods for industrial water and industrial wastewater -- Part 2: Inorganic anions, ammonium ion, organic nitrogen, total nitrogen and total phosphorus

TR-TSE

  • TS 974-1971 DETERMINATION OF NITROGEN, TOTAL SULPHUR CHLORINE AND PHOSPHORUS ?N COKE

RO-ASRO

  • STAS SR 4895-5-1997 Tobacco and tobacco products. Determination of total nitrogen content
  • SR ISO 5315:1984 Fertilizers. Determination of totai nitrogen content.Titrimetric method after distilation
  • STAS 9029-1986 DRESSED LEATHERS Determination of total nitrogen and hide snbstance

VDI - Verein Deutscher Ingenieure

  • VDI 2456 Blatt 6-1978 Gaseous emission measurement; determination of the sum of nitrogen monoxide and nitrogen dioxide as nitrogen monoxide by use of a converter
  • VDI 2456-2003 Stationary source emissions - Determination of the total of nitrogen monoxide and nitrogen dioxide - Ion chromatography method
  • VDI 2456 Blatt 2-1973 Gaseous emission measurement; determination of the total sum of nitrogen monoxide and nitrogen dioxide; acidimetric titration method
  • VDI 2456 Blatt 1-1973 Gaseous emission measurement; determination of the total sum of nitrogen monoxide and nitrogen dioxide; phenoldisulfonic acid method
  • VDI 2456 Blatt 10-1990 Gaseous emission measurement; analytical determination of the sum of nitrogen monoxide and nitrogen dioxide; dimethylphenol method
  • VDI 2456 Blatt 10-1989 Gaseous emission measurement; analytical determination of the sum of nitrogen monoxide and nitrogen dioxide; dimethylphenol method

SE-SIS

  • SIS SS 02 81 86-1985 Determination of total arsenic in water - Silver diethyldithiocarbamate spectrometric method

IT-UNI

AT-ON

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

ES-UNE

  • UNE-EN ISO 20236:2022 Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after high temperature catalytic oxidative combustion (ISO 20236:2018)
  • UNE-EN 15560:2024 Inorganic fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
  • UNE-EN ISO 16948:2015 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen (ISO 16948:2015)

ESDU - Engineering Sciences Data Unit

KR-KS

  • KS M ISO 16948-2021 Solid biofuels — Determination of total content of carbon, hydrogen and nitrogen