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Principle of Nitrogen Determination

Principle of Nitrogen Determination, Total:137 items.

In the international standard classification, Principle of Nitrogen Determination involves: Fertilizers, Milk and milk products, Crude petroleum, Petroleum products in general, Products of the chemical industry, Meat, meat products and other animal produce, Spices and condiments. Food additives, Physics. Chemistry, Water quality, Coals, External water conveyance systems, Fruits. Vegetables, Farming and forestry, Construction materials, Non-ferrous metals, Soil quality. Pedology, Animal feeding stuffs, Wastes, Raw materials for rubber and plastics, Sugar. Sugar products. Starch, Ferroalloys, General methods of tests and analysis for food products, Analytical chemistry.


Standard Association of Australia (SAA), Principle of Nitrogen Determination

  • AS 2300.1.2.1:1988 Methods of chemical and physical testing for the dairying industry, Method 1.2.1: General methods and principles - Determination of nitrogen - Reference Kjeldahl method
  • AS 2300.1.2.2:2008 Methods of chemical and physical testing for the dairying industry Method 1.2.2: General methods and principles- Determination of nitrogen—Nitrogen fractions from milk
  • AS ISO 8968.1:2021 Milk and milk products — Determination of nitrogen content, Part 1: Kjeldahl principle and crude protein calculation
  • 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 2300.1.2.1:1991 Methods of chemical and physical testing for the dairying industry - General methods and principles - Determination of nitrogen - Reference Kjeldahl method

British Standards Institution (BSI), Principle of Nitrogen Determination

  • BS DD CEN/TS 15476:2006 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda
  • BS EN ISO 14891:2002 Milk and milk products - Determination of nitrogen content - Routine method using combustion according to the Dumas principle
  • BS ISO 6851:2001 Photography. Processing waste. Determination of total amino nitrogen (microdiffusion Kjeldahl method)
  • BS EN ISO 8968-1:2014 Milk and milk products. Determination of nitrogen content. Kjeldahl principle and crude protein calculation
  • BS ISO 6853:2001 Photography. Processing waste. Determination of ammoniacal nitrogen (microdiffusion method)
  • BS ISO 20620:2021 Fertilizers and soil conditioners. Determination of total nitrogen by combustion
  • BS 5551-4.1.2:1982 Fertilizers. Chemical analysis. Determination of nitrogen. Determination of ammoniacal nitrogen, titrimetric method after distillation
  • BS EN ISO 3188:1994(1999) Starches and derived products — Determination of nitrogen content by the Kjeldahl method — Titrimetric method
  • BS 5551-4.1.3:1986 Fertilizers. Chemical analysis. Determination of nitrogen. Method for determination of total nitrogen content (titrimetric method after distillation)

Association Francaise de Normalisation, Principle of Nitrogen Determination

  • 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 V59-202:1988 Collagenes. Determination of the nitrogen content.
  • 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.
  • NF EN ISO 14891:2003 Milk and dairy products - Determination of nitrogen content - Practical method by combustion according to the Dumas principle
  • NF V04-211:1971 MILK. DETERMINATION OF TOTAL NITROGEN CONTENT. (KJELDAHL METHOD).
  • NF U42-141:1984 Fertilizers. Determination of nitrate nitrogen content. Nitrogen gravimetric method.
  • NF EN 12135:1997 Fruit and vegetable juices - Nitrogen dosage - Kjeldahl method
  • NF EN ISO 3188:1994 Starches and derived products - Determination of nitrogen according to the Kjeldahl method - Titrimetric method

SCC, Principle of Nitrogen Determination

  • BS 5551-4.1.5:1993 Fertilizers. Chemical analysis. Determination of nitrogen.-Method for determination of urea nitrogen content (gravimetric method using xanthydrol)
  • DANSK DS/EN ISO 8968-1:2014 Milk and milk products - Determination of nitrogen content - Part 1: Kjeldahl principle and crude protein calculation
  • NS-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)
  • BS EN ISO 8968-1:2002 Milk. Determination of nitrogen content-Kjeldahl method
  • DANSK DS/EN ISO 14891:2002 Milk and milk products - Determination of nitrogen content - Routine method using combustion according to the Dumas principle
  • JIS K 2609:2022 Crude petroleum and petroleum products -- Determination of nitrogen content
  • DIN EN ISO 8968-1 E:2013 Draft Document - Milk and milk products - Determination of nitrogen content and crude protein calculation - Part 1: Kjeldahl principle (ISO/DIS 8968-1:2013); German version prEN ISO 8968-1:2013
  • NS-EN ISO 14891:2002 Milk and milk products — Determination of nitrogen content — Routine method using combustion according to the Dumas principle (ISO 14891:2002)
  • DANSK DS/EN ISO 3188:1994 Starches and derived products - Determination of nitrogen content by the Kjeldahl method - Titrimetric method

GSO, Principle of Nitrogen Determination

  • GSO ISO 14891:2014 Milk and milk products -- Determination of nitrogen content -- Routine method using combustion according to the Dumas principle
  • OS GSO ISO 14891:2014 Milk and milk products -- Determination of nitrogen content -- Routine method using combustion according to the Dumas principle
  • BH GSO ISO 14891:2016 Milk and milk products -- Determination of nitrogen content -- Routine method using combustion according to the Dumas principle
  • OS GSO ISO 8968-1:2014 Milk and milk products -- Determination of nitrogen content -- Part 1: Kjeldahl principle and crude protein calculation
  • GSO ISO 6853:2015 Photography -- Processing waste -- Determination of ammoniacal nitrogen (microdiffusion method)
  • GSO ISO 1656:2015 Rubber, raw natural, and rubber latex, natural -- Determination of nitrogen content
  • OS GSO ISO 11261:2015 Soil quality -- Determination of total nitrogen -- Modified Kjeldahl method
  • GSO ISO 11261:2015 Soil quality -- Determination of total nitrogen -- Modified Kjeldahl method
  • BH GSO ISO 11261:2017 Soil quality -- Determination of total nitrogen -- Modified Kjeldahl method
  • GSO ISO 3188:2015 Starches and derived products -- Determination of nitrogen content by the Kjeldahl method -- Titrimetric method

German Institute for Standardization, Principle of Nitrogen Determination

  • DIN EN ISO 8968-1 E:2013-04 Determination of nitrogen content of milk and milk products Part 1: Principles of Kjeldahl method and calculation of crude protein (draft)
  • DIN EN ISO 8968-1:2014-06 Milk and milk products - Determination of nitrogen content - Part 1: Kjeldahl principle and crude protein calculation (ISO 8968-1:2014); German version EN ISO 8968-1:2014
  • DIN EN ISO 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 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

Japanese Industrial Standards Committee (JISC), Principle of Nitrogen Determination

  • JIS K 2609:1990 Crude petroleum and petroleum products -- Determination of nitrogen content
  • JIS K 2609:1998 Crude petroleum and petroleum products -- Determination of nitrogen content

IN-BIS, Principle of Nitrogen Determination

  • IS 5194-1969 Determination method of nitrogen-Kjeldahl method
  • IS 3859-1966 Method for determination of intensity of water-soluble azo dyes using titanium trichloride reduction method

International Dairy Federation (IDF), Principle of Nitrogen Determination

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

International Organization for Standardization (ISO), Principle of Nitrogen Determination

  • 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 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 14891:2002 Milk and milk products - Determination of nitrogen content - Routine method using combustion according to the Dumas principle
  • ISO 332:1981 Coal — Determination of nitrogen — Macro Kjeldahl method
  • ISO 332:1974 Title missing - Legacy paper document
  • ISO 14891:2002 | IDF 185:2002 Milk and milk products — Determination of nitrogen content — Routine method using combustion according to the Dumas principle
  • ISO 333:1983 Coal; Determination of nitrogen; Semi-micro Kjeldahl method

Korean Agency for Technology and Standards (KATS), Principle of Nitrogen Determination

  • KS M 2112-2011 Crude petroleum and petroleum products-Determination of nitrogen content
  • KS M ISO 8603:2012 Solid fertilizers-Determination of urea nitrogen content-Gravimetric method using xanthydrol
  • KS M ISO 8603:2007 Solid fertilizers-Determination of urea nitrogen content-Gravimetric method using xanthydrol
  • KS M 2112-2011(2021) Crude petroleum and petroleum products —Determination of nitrogen content
  • KS M 2112-2011(2016) Crude petroleum and petroleum products —Determination of nitrogen content
  • KS E ISO 333-2018 Coal-Determination of nitrogen-Semi-micro Kjeldahl method
  • KS M 2112-1986 Crude petroleum and petroleum products —Determination of nitrogen content
  • KS M 2112-2021 Crude petroleum and petroleum products —Determination of nitrogen content
  • KS E ISO 333-2003(2013) Coal-Determination of nitrogen-Semi-micro Kjeldahl method
  • KS H ISO 3188-2023 Starches and derived products-Determination of nitrogen content by the Kjeldahl method-Titrimetric method
  • KS E ISO 333:2003 Coal-Determination of nitrogen-Semi-micro Kjeldahl method
  • KS H ISO 3188-2008(2018) Starches and derived products-Determination of nitrogen content by the Kjeldahl method-Titrimetric method
  • KS I ISO 11261-2008(2021) Soil quality-Determination of total nitrogen-Modified Kjeldahl method
  • KS I ISO 11261-2008(2018) Soil quality-Determination of total nitrogen-Modified Kjeldahl method
  • KS D 2555-1995 Methods for determination of nitrogen in tantalum
  • KS I ISO 11261-2021 Soil quality-Determination of total nitrogen-Modified Kjeldahl method
  • KS M ISO 6851-2002(2022) Photography-Processing waste-Determination of total amino nitrogen-Microdiffusion Kjeldahl method
  • KS D 2555-2015 Methods for determination of nitrogen in tantalum

Spanish Association for Standardization (UNE), Principle of Nitrogen Determination

  • UNE 84047:1995 COSMETIC RAW MATERIALS. DETERMINATION OF NITROGEN. KJEDHAL'S METHOD (SEMI-MICRO).
  • UNE-EN ISO 8968-1:2014 Milk and milk products - Determination of nitrogen content - Part 1: Kjeldahl principle and crude protein calculation (ISO 8968-1:2014)
  • UNE 31015:1957 DETERMINATION OF NITROGEN BY LUNGE METHOD.
  • 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)

BE-NBN, Principle of Nitrogen Determination

  • NBN T 91-255-1976 Water analysis methods - Determination of the ammoniacal and organic nitrogen - (Kjeldahl nitrogen)

American National Standards Institute (ANSI), Principle of Nitrogen Determination

European Committee for Standardization (CEN), Principle of Nitrogen Determination

  • EN ISO 14891:2002 Milk and Milk Products - Determination of Nitrogen Content - Routine Method Using Combustion According to the Dumas Principle

Yunnan Provincial Standard of the People's Republic of China, Principle of Nitrogen Determination

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

國家市場監督管理總局、中國國家標準化管理委員會, Principle of Nitrogen Determination

  • GB/T 17674-2021 Determination of nitrogen in crude oil—Boat-inlet chemiluminescence

Group Standards of the People's Republic of China, Principle of Nitrogen Determination

  • T/QAS 071-2021 Determination of total nitrogen in brine Kjeldahl method
  • T/NAIA 044-2021 Urine Total Nitrogen Determination in Livestock Kjeldahl Method
  • T/NAIA 001-2020 Determination of ammoniacal nitrogen in fermented feed Kjeldahl method

National Sanitation Foundation (NSF), Principle of Nitrogen Determination

  • NSF 245-2013 Wastewater Treatment Systems - Nitrogen Reduction
  • NSF 245-2020 Residential Wastewater Treatment Systems - Nitrogen Reduction

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

  • GB/T 17674-2012 Determination of nitrogen in crude oil by boat-inlet chemiluminescence
  • GB/T 17674-1999 Determination of nitrogen in petroleum and petroleum products by chemiluminescence method
  • GB/T 24583.3-2009 Vanadium-Nitrogen alloy.Determination of nitrogen content.The distillation-neutralization titration method
  • GB/T 5687.4-2016 Nitrogen-bearing ferrochromium and nitride ferrochrome with high nitrogen content.Determination of nitrogen content.The distillation-neutralization titration method

KR-KS, Principle of Nitrogen Determination

  • KS M ISO 8603-2007 Solid fertilizers-Determination of urea nitrogen content-Gravimetric method using xanthydrol
  • KS H ISO 3188-2008(2023) Starches and derived products-Determination of nitrogen content by the Kjeldahl method-Titrimetric method
  • KS H ISO 1871-2013(2023) Agricultural food products ― General directions for the determination of nitrogen by the Kjeldahl method

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

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

PL-PKN, Principle of Nitrogen Determination

Professional Standard - Agriculture, Principle of Nitrogen Determination

Danish Standards Foundation, Principle of Nitrogen Determination

  • DS/EN ISO 14891:2002 Milk and milk products - Determination of nitrogen content - Routine method using combustion according to the Dumas principle
  • DS/EN ISO 8968-1:2002 Milk - Determination of nitrogen content - Part 1: Kjeldahl method

Indonesia Standards, Principle of Nitrogen Determination

  • SNI 4146-2013 Method for determination of total nitrogen content in sediment by Kjeldahl titration method

Professional Standard - Business, Principle of Nitrogen Determination

RU-GOST R, Principle of Nitrogen Determination

VN-TCVN, Principle of Nitrogen Determination

  • TCVN 6638-2000 Water quality.Determination of nitrogen.Catalytic digestion after reduction with devarda's alloy
  • TCVN 6498-1999 Soil quality.Determination of total nitrogen.Modifierd Kejldahl method

Ningxia Provincial Standard of the People's Republic of China, Principle of Nitrogen Determination

CZ-CSN, Principle of Nitrogen Determination

  • CSN 56 0020-1987 General directions for the determination f nitrogen by the Kjeldahl method
  • CSN 42 0691 Cast.2-1985 Chemical analysis of non-ferrous metals and alloys. Titanium. Determination of nitrogen by the photometric method and titrimetric method

South African Bureau of Standard, Principle of Nitrogen Determination

  • SANS 333:1996 Coal - Determination of nitrogen - Semi-micro Kjeldahl method

Association of Official Analytical Chemists (AOAC), Principle of Nitrogen Determination

  • AOAC 991.20 AOAC Official Method 991.20 Nitrogen (Total) in Milk Kjeldahl Methods

SE-SIS, Principle of Nitrogen Determination

RO-ASRO, Principle of Nitrogen Determination

  • STAS SR ISO 7408:1993 Fertilizers. Determination of ammoniacal nitrogen content in the presence of other substances which release ammonia when treated with sodium hydroxide. Titrimetric method

Liaoning Provincial Standard of the People's Republic of China, Principle of Nitrogen Determination

Lithuanian Standards Office , Principle of Nitrogen Determination

  • 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)

工業和信息化部, Principle of Nitrogen Determination

  • YB/T 4582.7-2017 Determination of total nitrogen content of ferrous silicon nitride by neutralization titration method




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