ISO 1952:1976 PDF
Brown coals and lignites — Method of extraction for the determination of sodium and potassium soluble in dilute hydrochloric acid
Brown coals and lignites — Method of extraction for the determination of sodium and potassium soluble in dilute hydrochloric acid
- Статус документа:
- Отменён
- Формат:
- Электронный (PDF)
- Количество страниц:
- 2
- Дата публикации:
- 1 июня 1976 г.
- Издание:
- ISO IS 1952 edition 1 version 1
- ICS:
- 73.040
The sample of brown coal or lignite is extracted with boiling 0,005 N hydrochloric acid and the extract centrifuged. The sodium and potassium in solution are determined by any precise analytical method (for example, gravimetric method or flame photometric method).
Технические детали
- Технический комитет
- ISO/TC 27 - Coal and coke
- SKU
- ISO 1952:1976