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

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Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users

Language(s)

English, French

Published date

20-05-2016

Publisher

International Organization for Standardization

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).

Committee	ISO/TC 34/SC 4
DevelopmentNote	Supersedes ISO/DIS 16634-2 & ISO TS 16634-2. (05/2016)
DocumentType	Standard
Pages	24
PublisherName	International Organization for Standardization
Status	Current
Supersedes	ISO/TS 16634-2:2009

Standards	Relationship
NF EN ISO 16634-2 : 2016	Identical
NBN EN ISO 16634-2 : 2016	Identical
NEN EN ISO 16634-2 : 2016	Identical
NS EN ISO 16634-2 : 2016	Identical
I.S. EN ISO 16634-2:2016	Identical
PN EN ISO 16634-2 : 2016	Identical
SN EN ISO 16634-2:2016	Identical
UNI EN ISO 16634-2 : 2016	Identical
SS-EN ISO 16634-2 : 2016	Identical
UNE-EN ISO 16634-2:2016	Identical
BS EN ISO 16634-2:2016	Identical
EN ISO 16634-2:2016	Identical
DIN EN ISO 16634-2:2016-11	Identical
DIN EN ISO 16634-2 E : 2016	Identical

BS EN ISO 12099:2017	Animal feeding stuffs, cereals and milled cereal products. Guidelines for the application of near infrared spectrometry
EN ISO 12099:2017	Animal feeding stuffs, cereals and milled cereal products - Guidelines for the application of near infrared spectrometry (ISO 12099:2017)
ISO 12099:2017	Animal feeding stuffs, cereals and milled cereal products — Guidelines for the application of near infrared spectrometry
I.S. EN ISO 12099:2017	ANIMAL FEEDING STUFFS, CEREALS AND MILLED CEREAL PRODUCTS - GUIDELINES FOR THE APPLICATION OF NEAR INFRARED SPECTROMETRY (ISO 12099:2017)

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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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

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