ISO 2368:1972 PDF
Aluminium fluoride for industrial use — Determination of iron content — 1,10- Phenanthroline photometric method
Название (английский):
ISO 2368:1972
Aluminium fluoride for industrial use — Determination of iron content — 1,10- Phenanthroline photometric method
- Статус документа:
- Отменён
- Формат:
- Электронный (PDF)
- Количество страниц:
- 4
- Дата публикации:
- 1 декабря 1972 г.
- Издание:
- ISO IS 2368 edition 1 version 1
- ICS:
- 71.060.50
Описание (английский):
The method is applicable to products having a content greater than 0,020 %. The principle consists in dissolution of a test portion by either alkaline or acid fusion. Reduction of the iron(III) by hydroxylammonium chloride. Formation of the iro(II)-1, 10-phenanthroline complex in a buffered medium (pH value between 3,5 and 4,2) Photometric measurement of the coloured complex at a wavelength of about 510 nm.
Технические детали
- Технический комитет
- ISO/TC 47 - Chemistry
- SKU
- ISO 2368:1972