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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

Standard Details

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).

General Information

Status : WITHDRAWN
Standard Type: Main
Document No: ISO 1952:1976
Document Year: 1976
Pages: 2
Edition: 1

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WITHDRAWN
ISO 1952:1976
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