ISO 4278:1977 PDF
Sodium fluoride for industrial use — Determination of carbonate content — Gravimetric method
Название (английский):
ISO 4278:1977
Sodium fluoride for industrial use — Determination of carbonate content — Gravimetric method
- Статус документа:
- Отменён
- Формат:
- Электронный (PDF)
- Количество страниц:
- 6
- Дата публикации:
- 1 ноября 1977 г.
- Издание:
- ISO IS 4278 edition 1 version 1
- ICS:
- 71.060.50
Описание (английский):
Applicable to products having contents, expressed as Na2 CO3 , more than 0.02 % (m/m). Describes the release of the carbon dioxide from a test portion by acidification and heating. Entrainment of the carbon dioxide in a flow of air and absorption in weighed absorption tubes containing soda asbestos. Specifies the weighing of the absorption tubes to determine the quantity released.
Технические детали
- Технический комитет
- ISO/TC 47 - Chemistry
- SKU
- ISO 4278:1977