ISO 16634-1:2008Published

Food products - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content — Part 1: Oilseeds and animal feeding stuffs

Produits alimentaires - Détermination de la teneur en azote total par combustion selon le principe Dumas et calcul de la teneur en protéines brutes — Partie 1: Graines oléagineuses et aliments des animaux

A new edition is under development: ISO/DIS 16634-1.

Abstract / scope

ISO 16634-1:2008 specifies a method for the determination of the total nitrogen content and the calculation of crude protein content of oilseeds and animal feeding stuffs.

This method, like the Kjeldahl method, does not distinguish between protein nitrogen and non-protein nitrogen. For the calculation of protein content, various conversion factors are used.

This method is not applicable to milk and milk products.

Life cycle

Replaces

ISO/DIS 16634.2Deleted (project abandoned)Food products - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein contentInternational Standard · ISO/TC 34

Replaced by

ISO/DIS 16634-1Under developmentFood products — Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content — Part 1: Oilseeds and animal feeding stuffsInternational Standard · ISO/TC 34