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13197
ISO 6740:1985
Dried whey -- Determination of nitrate and nitrite contents -- Method by cadmium reduction and spectrometry
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.
General information
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Status : WithdrawnPublication date : 1985-09
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Edition : 1
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- ICS :
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Other milk products
Life cycle
A standard is reviewed every 5 years
Revisions / Corrigenda
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Now withdrawn
ISO 6740:1985 -
Revised by
ISO 14673-1:2001
ISO 14673-2:2001
ISO 14673-3:2001
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