Reference number
ISO 5983-1:2005
© ISO 2025
International Standard
ISO 5983-1:2005
Animal feeding stuffs — Determination of nitrogen content and calculation of crude protein content — Part 1: Kjeldahl method
Edition 1
2005-07
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Published (Edition 1, 2005)
This publication was last reviewed and confirmed in 2019. Therefore this version remains current.

ISO 5983-1:2005

Language
Format
CHF 65
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Abstract

ISO 5983-1:2005 specifies a method for the determination of the nitrogen content of animal feeding stuffs by the Kjeldahl process, and a method for the calculation of the crude protein content.

The method does not measure oxidized forms of nitrogen or heterocyclic nitrogen compounds.

This method does not distinguish between protein nitrogen and non-protein nitrogen. If it is important to determine the content of non-protein nitrogen, an appropriate method should be used.

General information

  • Status
     : Published
    Publication date
     : 2005-07
    Stage
    : Close of review [90.60]
  • Edition
     : 1
    Number of pages
     : 10
  • Technical Committee :
    ISO/TC 34/SC 10
    ICS :
    65.120 
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