Standard Svensk standard · SS-EN ISO 5983-2:2009

Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 2: Block digestion and steam distillation method (ISO 5983-2:2009)

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Standard Svensk standard · SS-EN ISO 5983-2:2009

Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 2: Block digestion and steam distillation method (ISO 5983-2:2009)
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Omfattning
This part of ISO 5983 specifies a method for the determination of nitrogen content of animal feeding stuffs according to the Kjeldahl method, and a method for the calculation of the crude protein content. It is suitable for use as a semi-micro rapid routine method using block digestion, copper catalyst, and steam distillation into boric acid. The method is applicable to the determination of greater than 0,5 % mass fraction Kjeldahl nitrogen in animal feeding stuffs, pet foods, and their raw materials. The method does not measure oxidized forms of nitrogen nor heterocyclic nitrogen compounds. The method does not distinguish between protein nitrogen and non-protein nitrogen. NOTE If it is of importance to determine the content of non-protein nitrogen, an appropriate method can be used.

Ämnesområden

Djurfoder (65.120)


Köp denna standard

Standard Svensk standard · SS-EN ISO 5983-2:2009

Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 2: Block digestion and steam distillation method (ISO 5983-2:2009)
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Pris: 1 013 SEK
standard ikon pdf

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Produktinformation

Språk: Engelska

Framtagen av: Djurfoder, SIS/TK 435/AG 02

Internationell titel: Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 2: Block digestion and steam distillation method (ISO 5983-2:2009)

Artikelnummer: STD-70040

Utgåva: 2

Fastställd: 2009-06-15

Antal sidor: 28

Ersätter: SS-EN ISO 5983-2:2006