Résumé
The principle of determination consists in dissolving the dried whey in warm water, precipitating the fat and proteins, filtering and reducing the nitrate in a portion of the filtrate to nitrite by means of copperized cadmium. The sampling shall be made as specified in ISO 707. A figure shows the apparatus for nitrate reduction.
Informations générales
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État actuel: AnnuléeDate de publication: 1985-09Stade: Annulation de la Norme internationale [95.99]
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Edition: 1Nombre de pages: 6
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Comité technique :ISO/TC 34/SC 5ICS :67.100.99
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Cycle de vie
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Actuellement
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Révisée par