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ISO 1952:1976 PDF
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Brown coals and lignites — Method of extraction for the determination of sodium and potassium soluble in dilute hydrochloric acid
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).
| Edition | 1976 |
|---|---|
| Published Date | 1976 |
| Published By | International Standardization Organisation |
| Page Count | 2 |
