US ISO 5983-2:2005, Animal feeding stuffs Determination of nitrogen content and calculation of crude protein content Part 2: Block digestion/steam distillation method (This is an adoption of the International Standard ISO 5983-2) (23 pages, English).

来源：epingalert 发布时间：2010-04-30 浏览量：*

通告成员：

Uganda

通告类型：

TBT

通告发布时间：

2010-04-30

评议截止时间：

2010-06-29

通告描述：

This standard 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 concerns 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 % 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.

文档编号：

G/TBT/N/UGA/79

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ICS Code：

07.100 - Microbiology;65.120 - Animal feeding stuffs

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通告目的：

Protection of human health or safety (TBT)
Protection of animal or plant life or health (TBT)

US ISO 5983-2:2005, Animal feeding stuffs  Determination of nitrogen content and calculation of crude protein content  Part 2: Block digestion/steam distillation method (This is an adoption of the International Standard ISO 5983-2) (23 pages, English).

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US ISO 5983-2:2005, Animal feeding stuffs Determination of nitrogen content and calculation of crude protein content Part 2: Block digestion/steam distillation method (This is an adoption of the International Standard ISO 5983-2) (23 pages, English).