ISO 2761:1975 PDF
Crude sodium borates for industrial use — Determination of total titanium content — Photometric method
Название (английский):
ISO 2761:1975
Crude sodium borates for industrial use — Determination of total titanium content — Photometric method
- Статус документа:
- Отменён
- Формат:
- Электронный (PDF)
- Количество страниц:
- 2
- Дата публикации:
- 1 марта 1975 г.
- Издание:
- ISO IS 2761 edition 1 version 1
- ICS:
- 71.060.50
Описание (английский):
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.
Технические детали
- Технический комитет
- ISO/TC 47 - Chemistry
- SKU
- ISO 2761:1975