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

Publication date: May 20, 2016

General information

Current stage: 90.60 Effective date: Sep 3, 2021

Originator: ISO

Owner: ISO/TC 34/SC 4

Type: International Standard

ICS: 67.050 67.060

Languages: English French

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Status: Published

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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

Revises
ISO/TS 16634-2:2009

NOW

PUBLISHED
ISO 16634-2:2016
90.60 Close of review
Sep 3, 2021

REVISED BY

IN_DEVELOPMENT
ISO/PWI 16634-2

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