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naSRPS EN ISO 16634-1:2024

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/DIS 16634-1:2025)

General information

40.20     Sep 11, 2025

40.60    Nov 13, 2025

ISS

E034-4

European Norm

65.120     67.200.20     67.060  

English  

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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

PREVIOUSLY

PUBLISHED
SRPS EN ISO 16634-1:2010

NOW

PROJECT
naSRPS EN ISO 16634-1:2024
40.20 DIS ballot initiated: 12 weeks
Sep 11, 2025

Related project

Adopted from prEN ISO 16634-1 IDENTICAL

Adopted from ISO/DIS 16634-1 IDENTICAL

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