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Normas DIN – AENOR
DIN EN ISO 16634:2006-07

DIN EN ISO 16634:2006-07

Cereals, pulses, milled cereal products, oilseeds and animal feeding stuffs - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content (ISO/DIS 16634.2:2006); German version prEN ISO 16634:2006

Céréales, légumineuses, produits céréaliers de mouture, graines oléagineuses et aliments des animaux - Détermination de la teneur en azote total par combustion selon le principe Dumas et calcul de la teneur en protéines brutes (ISO/DIS 16634.2:2006); Version allemande prEN ISO 16634:2006

Getreide, Hülsenfrüchte, gemahlene Getreideerzeugnisse, Ölsamen und Futtermittel - Bestimmung des Gehaltes an Gesamtstickstoff mit dem Verbrennungsverfahren nach Dumas und Berechnung des Gehaltes an Rohprotein (ISO/DIS 16634.2:2006); Deutsche Fassung prEN ISO 16634:2006

Fecha Anulación:
2019-03 /Withdrawn
Equivalencias internacionales:

ISO/DIS 16634 (2006-05)

prEN ISO 16634 (2006-05)

Relación con otras normas DIN:
Resumen:
This International Standard specifies a method for the determination of the total nitrogen content and the calculation of crude protein content of cereals, pulses, milled cereal products, oilseeds and animal feeding stuffs. This method, similarly to 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, for which a method is specified in ISO 14891 I IDF 185.
Keywords:
Agricultural products, Animal feed, Ashing, Ashing method, Cereals, Chemical analysis and testing, Combustion, Content, Crude proteins, Definitions, Determination of content, Dumas, Food products, Inter-laboratory tests, Interpretations, Mathematical calculations, Nitrogen, Nitrogen content, Oilseeds, Proteins, Pulses (crops), Sampling methods, Testing
95,14
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