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ISO 6739:1988

Withdrawn Date published:

Warning: Withdrawn Standard. This document has been withdrawn without replacement. You may wish to search for a more up to date equivalent.

Whey cheese — Determination of nitrate and nitrite contents — Method by cadmium reduction and spectrometry

Is suitable for all kinds of whey cheese. The principle of determination consists in extracting the whey cheese with 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 apparatus for nitrate reduction is shown in a figure.

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Related Information

Similar Standards

  • BS 770-1:1986

    Methods for chemical analysis of cheese, General introduction

  • BS 770-2:1976

    Methods for chemical analysis of cheese, Determination of water content (reference and routine methods)

  • BS 770-5:1976

    Methods for chemical analysis of cheese, Determination of pH value

  • BS 770-8:1987

    Methods for chemical analysis of cheese, Determination of nitrogen content (reference method)

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ISO 6739:1988

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