ISO 3702:1976
Anhydrous hydrogen fluoride for industrial use — Determination of sulphur dioxide content — Iodometric method
OVERVIEW
Applicable to products having SO2 contents between 0.002 % (m/m) and 0.20 % (m/m). The principle consists in addition of a measured volume of iodine solution to a test portion. Back-titration of the excess iodine using a standard volumetric sodium thiosulphate solution and calculation of the SO2 content from the amount of iodine used.
COMMENTS
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PRODUCT DETAILS
| Status | Withdrawn - 06 Jan 2026 |
|---|---|
| Edition | 1976 |
| No. of Pages | 2 |
| ICS Classification | 71.060.30 Acids |
| Committee | ISO/TC 47 |
| Available for Purchase | For sale in Singapore only |
| Adoption | ISO |