ISO 6740:1985
Withdrawn
View Superseded by
Dried whey — Determination of nitrate and nitrite contents — Method by cadmium reduction and spectrometry
Hardcopy , PDF
English, French
09-12-1985
02-22-2019
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.
| Committee |
ISO/TC 34/SC 5
|
| DocumentType |
Standard
|
| Pages |
6
|
| PublisherName |
International Organization for Standardization
|
| Status |
Withdrawn
|
| SupersededBy |
| Standards | Relationship |
| NF ISO 6740 : 1986 | Identical |
| BS 1743-16.1:1983 | Methods for analysis of dried milk and dried milk products. Determination of nitrate and nitrite contents Method for dried milk by cadmium reduction |
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