ISO 3702:1976
Withdrawn
Anhydrous hydrogen fluoride for industrial use — Determination of sulphur dioxide content — Iodometric method
Hardcopy , PDF
English, French
06-01-1976
04-05-2019
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.
| Committee |
ISO/TC 47
|
| DocumentType |
Standard
|
| Pages |
2
|
| PublisherName |
International Organization for Standardization
|
| Status |
Withdrawn
|
| Standards | Relationship |
| NBN T 03 517 : 1983 | Identical |
| NFT 20 331 : 84 FD | Identical |
| BS 5365-5:1979 | Identical |
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