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ISO 6740:1985

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

Sep 12, 1985
95.99 Withdrawal of Standard   Nov 1, 2001

General information

95.99     Nov 1, 2001

ISO

ISO/TC 34/SC 5

International Standard

67.100.99  

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Scope

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.

Life cycle

NOW

WITHDRAWN
ISO 6740:1985
95.99 Withdrawal of Standard
Nov 1, 2001

REVISED BY

WITHDRAWN
ISO 14673-1:2001

WITHDRAWN
ISO 14673-2:2001

WITHDRAWN
ISO 14673-3:2001