ISO 1952:1976
Withdrawn
View Superseded by
Brown coals and lignites — Method of extraction for the determination of sodium and potassium soluble in dilute hydrochloric acid
Hardcopy , PDF
English, French
06-01-1976
04-09-2025
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).
| Committee |
ISO/TC 27
|
| DocumentType |
Standard
|
| Pages |
2
|
| PublisherName |
International Organization for Standardization
|
| Status |
Withdrawn
|
| SupersededBy |
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