ISO 1017:1985
Withdrawn
View Superseded by
Brown coals and lignites — Determination of acetone-soluble material ("resinous substances") in the toluene-soluble extract
Hardcopy , PDF
English, French
12-12-1985
04-09-2025
A sample of toluene-soluble extract from brown coal or lignite obtained by the procedure describes in ISO 975 is extracted with acetone at a temperature of 18 to 22 °C. The soluble fraction is filtered or centrifuged off and after evaporation of the solvent dried to constant mass. The percentage of acetone-soluble material is calculated from the mass of reidue after drying.
| Committee |
ISO/TC 27/SC 5
|
| DocumentType |
Standard
|
| Pages |
2
|
| PublisherName |
International Organization for Standardization
|
| Status |
Withdrawn
|
| SupersededBy | |
| Supersedes |
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