ISO 5983-1:2005

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ISO 5983-1:2005 is an International Standard focusing on the determination of nitrogen content and crude protein content in animal feeding stuffs. Specifically, it details a method called the Kjeldahl method, which is used to measure nitrogen content and then calculate the crude protein content. This standard is a legally binding document published by the Bureau of Indian Standards (BIS) and covers various aspects of animal feeding stuffs analysis.