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EVS-EN ISO 16634-1:2008

Food products - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content - Part 1: Oilseeds and animal feeding stuffs

General information
Valid from 09.01.2009
Base Documents
ISO 16634-1:2008; EN ISO 16634:2008
Directives or regulations
None
Standard history
Status
Date
Type
Name
09.01.2009
Main
This part of ISO 16634 specifies a method for the determination of the total nitrogen content and the calculation of crude protein content of oilseeds and animal feeding stuffs. This method, like the Kjeldahl method, does not distinguish between protein nitrogen and non-protein nitrogen. For the calculation of protein content, various conversion factors are used (see Annex D). This method is not applicable to milk and milk products, for which a method is specified in ISO 14891⎪IDF 185[10].
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