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Homepage>BS Standards>67 FOOD TECHNOLOGY>67.050 General methods of tests and analysis for food products>BS EN 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 Cereals, pulses and milled cereal products
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immediate downloadReleased: 2016-06-30
BS EN 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 Cereals, pulses and milled cereal products

BS EN 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 Cereals, pulses and milled cereal products

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Standard number:BS EN ISO 16634-2:2016
Pages:36
Released:2016-06-30
ISBN:978 0 580 87691 2
Status:Standard
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BS EN ISO 16634-2:2016


This standard BS EN 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 is classified in these ICS categories:
  • 67.050 General methods of tests and analysis for food products
  • 67.060 Cereals, pulses and derived products

This part of ISO 16634 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).