ISO 5522:1981
Fruits, vegetables and derived products — Determination of total sulphur dioxide content
OVERVIEW
The method consists in acidifying and heating a test portion, entraining, in a current of nitrogen, the gas liberated, absorbing and oxidizing the gas by bubbling it through a neutral, dilute hydrogen peroxide solution, then determining the sulphuric acid thus formed using standard volumetric sodium hydroxide solution. Verification of the determination is described in the annexes A and B, respectively.
COMMENTS
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PRODUCT DETAILS
| Status | Current |
|---|---|
| Edition | 1981 |
| No. of Pages | 7 |
| ICS Classification | 67.080.01 Fruits, vegetables and derived products in general |
| Committee | ISO/TC 34/SC 3 |
| Available for Purchase | For sale in Singapore only |
| Adoption | ISO |