ISO 2761:1975 PDF
Crude sodium borates for industrial use — Determination of total titanium content — Photometric method
Open preview (PDF)Crude sodium borates for industrial use — Determination of total titanium content — Photometric methodTitle (English):
ISO 2761:1975
Crude sodium borates for industrial use — Determination of total titanium content — Photometric method
- Document status:
- Withdrawn
- Format:
- Electronic (PDF)
- Number of pages:
- 2
- Publication date:
- March 1, 1975
- Edition:
- ISO IS 2761 edition 1 version 1
- ICS:
- 71.060.50
Description (English):
Applicable to products having contents up to 0.1 % (m/m). The method specified is not applicable in the presence of vanadium or high silica content. Molybdenum and chromium also interfere. The analysis bases on fusion of a test portion with sodium corbonate, extraction of the cooled melt with suphuric acid and the addition of hydrogen peroxide. Photometric measurement of the yellow coloured complex formed at a wavelength of about 420 nm.
Technical details
- Technical committee
- ISO/TC 47 - Chemistry
- SKU
- ISO 2761:1975
