ISO 3392:1976 PDF
Cryolite, natural and artificial, and aluminium fluoride for industrial use — Determination of water content — Electrometric method
Cryolite, natural and artificial, and aluminium fluoride for industrial use — Determination of water content — Electrometric method
- Статус документа:
- Отменён
- Формат:
- Электронный (PDF)
- Количество страниц:
- 5
- Дата публикации:
- 1 сентября 1976 г.
- Издание:
- ISO IS 3392 edition 1 version 1
- ICS:
- 71.060.50
Applies to the simultaneous determination of the loss of mass at 550 °C which is the sum of the masses of water that has not undergone any reaction and of the hydrogen fluoride formed by pyrohydrolysis and the mass of water released at 550 °C determined by the Karl-Fischer Method (direct electrometric titration). Makes reference to ISO 760. The difference between these two determinations is due to the formation of hydrogen fluoride by pyrohydrolysis (2 HF correspond to 1 H2 O). Calculation of the water content from the two results obtained. The diagram of the test apparatus is shown in a figure.
Технические детали
- Технический комитет
- ISO/TC 226 - Materials for the production of primary aluminium
- SKU
- ISO 3392:1976