Calculation method of total nitrogen content

Calculation method of total nitrogen content, Total:27 items.

The international standard classification for "Calculation method of total nitrogen content" includes: Animal feeding stuffs , Fertilizers .

The Chinese standard classification for "Calculation method of total nitrogen content" includes: Livestock and poultry feed and additive , Chemical fertilizer and chemical soil conditioner .

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

• 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 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 2441.1-2001 Determination of urea-Determination of total nitrogen content

Jilin Provincial Standard of the People's Republic of China

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

Netherlands Institute for Standardization

• NEN 6642-1992 Water-Calculation of total nitrogen content
• NEN 3760-1984 Cheese - Determination of the nitrogen content according to Kjeldahl - Calculation of the crude protein content

Polski Komitet Normalizacyjny (PKN)

• PN C04576 ArkusZ14-1973 Water and wastewater Nitrogen compound content testing Calculation of total nitrogen

National Standardisation Body (ASRO)

• STAS SR 13325-1995 Animal feeding stuffs - Determination of total nitrogen content and calculation of crude protein content

Gosstandart of Russia

• GOST ISO 20483-2022 Cereals and Legumes. Determination of Nitrogen Content and Calculation of Total Protein Content. Kjeldahl Method
• GOST 26107-1984 Soils. Methods for determination of total nitrogen

Association Francaise de Normalisation

• NF V03-032:2024 Foodstuffs - Determination of the nitrogen content by the Kjeldahl method and calculation of the protein content
• NF EN ISO 20483:2014 Cereals and legumes - Determination of nitrogen content and calculation of crude protein content - Kjeldahl method

GCC Standardization Organization

• GSO ISO 5983:2002 ANIMAL FEEDING STUFFS – DETERMINATION OF NITROGEN CONTENT AND CALCULATION OF CRUDE PROTEIN CONTENT
• GSO ISO 20483:2013 Cereals and pulses -- Determination of the nitrogen content and calculation of the crude protein content -- Kjeldahl method

British Standards Institution (BSI)

• BS 5766-4:1981 Methods for analysis of animal feeding stuffs-Determination of nitrogen content and calculation of crude protein content
• BS 5766-4:1998 Methods for analysis of animal feeding stuffs-Determination of nitrogen content and calculation of crude protein content

German Institute for Standardization

• DIN 53308:1968 Testing of leather; determination of the contents of total nitrogen and of ammonium salts, calculation of hide substance
• DIN EN ISO 20483:2014-03 Cereals and pulses - Determination of the nitrogen content and calculation of the crude protein content - Kjeldahl method (ISO 20483:2013); German version EN ISO 20483:2013

Bureau of Indian Standards

• IS 14825-2000 Animal Feeding Stuff - Determination of Nitrogen Content and Calculation of Crude Protein Content - Kjeldahl Method
• IS/ISO 5983-1-2005 Animal Feeding stuffs - Determination of nitrogen content and calculation of crude protein content-1 Kjeldahl method

Bulgarian Institute for Standardization (BDS)

• BGC ISO 5983:2001 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Kjeldahl method

Indonesia Standards

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

Austrian Standards

• ONORM S 7009-1982 Testing of leather; determination of the contents of total nitrogen and of ammonium salts; calculation of hide substance

Ente Nazionale Italiano di Unificazione

• UNI EN ISO 20483:2014 Cereals and pulses - Determination of the nitrogen content and calculation of the crude protein content - Kjeldahl method

The Directorate General of Specifications and Metrology (DGSM)

• OS GSO ISO 20483:2013 Cereals and pulses -- Determination of the nitrogen content and calculation of the crude protein content -- Kjeldahl method

Danish Standards Foundation

• DS/EN ISO 20483:2007 Cereals and pulses - Determination of the nitrogen content and calculation of the crude protein content - Kjeldahl method
• DANSK DS/EN ISO 20483:2014 Cereals and pulses - Determination of the nitrogen content and calculation of the crude protein content - Kjeldahl method

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