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Determination of total nitrogen principle

Determination of total nitrogen principle, Total:28 items.

In the international standard classification, Determination of total nitrogen principle involves: Coals, Inorganic chemicals, Water quality, Fertilizers, GENERALITIES. TERMINOLOGY. STANDARDIZATION. DOCUMENTATION, Milk and milk products, Biology. Botany. Zoology, Wind turbine systems and other alternative sources of energy, Analytical chemistry, Adhesives, Animal feeding stuffs, Soil quality. Pedology.

Jilin Provincial Standard of the People's Republic of China, Determination of total nitrogen principle

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

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

• GB/T 23835.12-2009 Lithium perchlorate anhydrous.Part 12:Determination of total nitrogen content

Magyar Szabványügyi Testület, Determination of total nitrogen principle

• MNOSZ 448-27.lap-1955 Determination of total nitrogen water
• MSZ 318/18-1981 Determination of total nitrogen in sludge test

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

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

Ente Nazionale Italiano di Unificazione, Determination of total nitrogen principle

• UNI CEN/TS 15478:2006 Fertilizers - Determination of total nitrogen in urea
• UNI 9249:1988 Biomass. Determination of total nitrogen.
• UNI 9971:1992 Adhesives. Determination of total nitrogen.
• UNI EN 12260:2004 Water quality - Determination of nitrogen - Determination of bound nitrogen (TNb), following oxidation to nitrogen oxides
• UNI EN 15561:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates

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

• 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

Association Francaise de Normalisation, Determination of total nitrogen principle

• 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

PL-PKN, Determination of total nitrogen principle

• PN C04576 ArkusZ12-1973 Water and waste water Tests for nitrogenDetermination of total nitrogen of Kjeldahl

VN-TCVN, Determination of total nitrogen principle

• TCVN 6498-1999 Soil quality.Determination of total nitrogen.Modifierd Kejldahl method

CZ-CSN, Determination of total nitrogen principle

• CSN 68 4124-1980 Determination of small mounts of total nitrogen

Association of Official Analytical Chemists (AOAC), Determination of total nitrogen principle

• AOAC Official Method 2001.14 Determination of total nitrogen in cheese
• AOAC 991.20 AOAC Official Method 991.20 Nitrogen (Total) in Milk Kjeldahl Methods

Swedish Institute for Standards, Determination of total nitrogen principle

• SS-ISO 11261:1996 Soil quality - Determination of total nitrogen - Modified Kjeldahl method

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

• 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 M ISO 6851-2002(2022) Photography－Processing waste－Determination of total amino nitrogen－Microdiffusion Kjeldahl method

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

• 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

Gosstandart of Russia, Determination of total nitrogen principle

• GOST R 58596-2019 Soils. Methods for determination of total nitrogen
• GOST 26715-1985 Organic fertilizers. Methods for determination of total nitrogen

Professional Standard - Agriculture, Determination of total nitrogen principle

• NY/T 2542-2014 Fertilizers.Determination of total nitrogen content

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