ISO 742:1973 PDF
Sodium carbonate for industrial use — Determination of chloride content — Mercurimetric method
Sodium carbonate for industrial use — Determination of chloride content — Mercurimetric method
- Document status:
- Withdrawn
- Format:
- Electronic (PDF)
- Number of pages:
- 2
- Publication date:
- February 1, 1973
- Edition:
- ISO IS 742 edition 1 version 1
- ICS:
- 71.060.50
The method is applicable to products of which the sodium chloride content is greater than 0,005 % (m/m). The prinziple consists in titration of the chloride ion with mercury(II) nitrate solution in the presence of diphenylcarbazone as indicator. Cancels and replaces ISO Recommendation R 742-1968.
Technical details
- Technical committee
- ISO/TC 47 - Chemistry
- SKU
- ISO 742:1973


