ISO 2866:1974 PDF
Sulphur for industrial use — Determination of total carbon content — Titrimetric method
Название (английский):
ISO 2866:1974
Sulphur for industrial use — Determination of total carbon content — Titrimetric method
- Статус документа:
- Отменён
- Формат:
- Электронный (PDF)
- Количество страниц:
- 5
- Дата публикации:
- 1 ноября 1974 г.
- Издание:
- ISO IS 2866 edition 1 version 1
- ICS:
- 71.060.10
Описание (английский):
Gives the potentiometric and visual methods als alternatives for the final titration. The principle consists in the combustion of the sulphur in a current of oxygen. Oxidation and fixation of the sulphur dioxide and trioxide gases in chromic and sulphuric acid solutions. Absorption of the carbon dioxide formed in a solution of barium hydroxide, followed by titration in the presence of phenolphthalein and screened methylorange (by xylene cyanol FF) as indicator. Has also been approved by the IUPAC.
Технические детали
- Технический комитет
- ISO/TC 47 - Chemistry
- SKU
- ISO 2866:1974