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ISO 1952:1976

Brown coals and lignites — Method of extraction for the determination of sodium and potassium soluble in dilute hydrochloric acid

Jun 1, 1976
95.99 Withdrawal of Standard   Aug 18, 2008

General information

95.99     Aug 18, 2008

ISO

ISO/TC 27

International Standard

73.040  

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Scope

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).

Life cycle

NOW

WITHDRAWN
ISO 1952:1976
95.99 Withdrawal of Standard
Aug 18, 2008

REVISED BY

ABANDON
ISO/DIS 1952

PUBLISHED
ISO 1952:2008