ISO 743:1976 PDF
Sodium carbonate for industrial use — Determination of sulphate content — Barium sulphate gravimetric method
Open preview (PDF)Sodium carbonate for industrial use — Determination of sulphate content — Barium sulphate gravimetric methodTitle (English):
ISO 743:1976
Sodium carbonate for industrial use — Determination of sulphate content — Barium sulphate gravimetric method
- Document status:
- Withdrawn
- Format:
- Electronic (PDF)
- Number of pages:
- 3
- Publication date:
- February 1, 1976
- Edition:
- ISO IS 743 edition 1 version 1
- ICS:
- 71.060.50
Description (English):
The principle in dissolution of a test portion and separation of the insoluble matter. Precipitation of sulphate as barium sulphate in dilute hydrochloric acid medium. Separation of the precipitate obtained and ignition at 800 °C +- 25 °C and weighing. The method is applicable to products having a sodium sulphate content equal to or greater than 0,01 % (m/m). Replaces ISO Recommendation R 743-1968.
Technical details
- Technical committee
- ISO/TC 47 - Chemistry
- SKU
- ISO 743:1976
