ISO 1688:1976 PDF
Sodium and potassium silicates for industrial use — Determination of dry matter — Gravimetric method
Sodium and potassium silicates for industrial use — Determination of dry matter — Gravimetric method
- Статус документа:
- Отменён
- Формат:
- Электронный (PDF)
- Количество страниц:
- 2
- Дата публикации:
- 1 февраля 1976 г.
- Издание:
- ISO IS 1688 edition 1 version 1
- ICS:
- 71.060.50
The principle consists in drying of a test portion in a platinum or silica dish followed by heating to between 600 °C and 650 °C. Weighing of the residue. The maximum deviation between results obtained is 0,6 % (m/m) in absolute value. Replaces ISO Recommendation R 1688-1970.
Технические детали
- Технический комитет
- ISO/TC 47 - Chemistry
- SKU
- ISO 1688:1976