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ISO 6740:1985

ISO 6740:1985

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Dried whey — Determination of nitrate and nitrite contents — Method by cadmium reduction and spectrometry

Published By Publication Date Number of Pages
ISO 1985-09 8
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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.

ISO 6740:1985
$27.95