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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 ISO 16634-1:2008

Publication date:   Oct 22, 2008

General information

90.60 Close of review   Mar 4, 2024

ISO

ISO/TC 34 Food products

International Standard

65.120   Animal feeding stuffs | 67.050   General methods of tests and analysis for food products | 67.200.20   Oilseeds

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Scope

ISO 16634-1:2008 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.
This method is not applicable to milk and milk products.

Life cycle

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ISO/DIS 16634.2

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PUBLISHED
ISO 16634-1:2008
90.60 Close of review
Mar 4, 2024