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  • BS EN ISO 16634-2:2016

    Current The latest, up-to-date edition.

    Food products. Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content Cereals, pulses and milled cereal products

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  30-06-2016

    Publisher:  British Standards Institution

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    This part of ISO16634 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).

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    Committee AW/4
    Development Note Supersedes DD CEN ISO/TS 16634-2 & 14/30311290 DC. (06/2016)
    Document Type Standard
    Publisher British Standards Institution
    Status Current
    Supersedes
    Under Revision

    Standards Referencing This Book - (Show below) - (Hide below)

    ISO 5725-1:1994 Accuracy (trueness and precision) of measurement methods and results — Part 1: General principles and definitions
    ISO 1871:2009 Food and feed products General guidelines for the determination of nitrogen by the Kjeldahl method
    ISO 20483:2013 Cereals and pulses — Determination of the nitrogen content and calculation of the crude protein content — Kjeldahl method
    ISO 712:2009 Cereals and cereal products — Determination of moisture content — Reference method
    ISO 5725-6:1994 Accuracy (trueness and precision) of measurement methods and results — Part 6: Use in practice of accuracy values
    ISO 14891:2002 Milk and milk products Determination of nitrogen content Routine method using combustion according to the Dumas principle
    ISO 5725-2:1994 Accuracy (trueness and precision) of measurement methods and results Part 2: Basic method for the determination of repeatability and reproducibility of a standard measurement method
    ISO 6540:1980 Maize Determination of moisture content (on milled grains and on whole grains)
    ISO 24333:2009 Cereals and cereal products — Sampling
    ISO 24557:2009 Pulses Determination of moisture content Air-oven method
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