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ISO 16634-2:2016

Food products — Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content — Part 2: Cereals, pulses and milled cereal products ISO 16634-2:2016

Publication date:   May 20, 2016

General information

90.92 Standard to be revised   Oct 24, 2023

ISO

ISO/TC 34/SC 4 Cereals and pulses

International Standard

67.050   General methods of tests and analysis for food products | 67.060   Cereals, pulses and derived products

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Scope

ISO 16634-2:2016 specifies a method for the determination of the total nitrogen content and the calculation of the crude protein content of cereals, pulses and milled cereal products.
This method, like the Kjeldahl method (see References [1] and [6]), does not distinguish between protein nitrogen and non-protein nitrogen. For the calculation of the protein content, various conversion factors are used (see 3.2).

Life cycle

PREVIOUSLY

WITHDRAWN
ISO/TS 16634-2:2009

NOW

PUBLISHED
ISO 16634-2:2016
90.92 Standard to be revised
Oct 24, 2023

REVISED BY

IN_DEVELOPMENT
ISO/CD 16634-2