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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
This standard has been revised by: ISO 1952:2008
Abstract
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).
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Edition: 1 (Monolingual) ICS: 73.040 Status: Withdrawn Stage: 95.99 (2008-08-18) TC/SC: ISO/TC 27 Number of Pages: -
Revised by: ISO 1952:2008
