ISO 3702:1976 PDF
Anhydrous hydrogen fluoride for industrial use — Determination of sulphur dioxide content — Iodometric method
Open preview (PDF)Anhydrous hydrogen fluoride for industrial use — Determination of sulphur dioxide content — Iodometric methodTitle (English):
ISO 3702:1976
Anhydrous hydrogen fluoride for industrial use — Determination of sulphur dioxide content — Iodometric method
- Document status:
- Withdrawn
- Format:
- Electronic (PDF)
- Number of pages:
- 2
- Publication date:
- June 1, 1976
- Edition:
- ISO IS 3702 edition 1 version 1
- ICS:
- 71.060.30
Description (English):
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.
Technical details
- Technical committee
- ISO/TC 47 - Chemistry
- SKU
- ISO 3702:1976
