ISO 6677:1983 PDF
Hexafluorosilicic acid for industrial use — Determination of available fluorine content — Potentiometric method after distillation
Название (английский):
ISO 6677:1983
Hexafluorosilicic acid for industrial use — Determination of available fluorine content — Potentiometric method after distillation
- Статус документа:
- Отменён
- Формат:
- Электронный (PDF)
- Количество страниц:
- 5
- Дата публикации:
- 1 мая 1983 г.
- Издание:
- ISO IS 6677 edition 1 version 1
- ICS:
- 71.060.30
Описание (английский):
Covers a method consisting in separating the fluorine from a test portion by distillation in the presence of perchloric acid, followed by potentiometric titration of the distillate with lanthanum nitrate solution using a fluoride ion-selective electrode. Is applicable to products having total available fluorine contents in the range between 15 and 35 % (m/m).
Технические детали
- Технический комитет
- ISO/TC 47 - Chemistry
- SKU
- ISO 6677:1983