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prEVS 669

Kukersite oil shale - Determination of ash

General information
Draft. Expected publication date is 11.2022
Directives or regulations
None
Standard history
Status
Date
Type
Name
Main
15.11.1999
Main
This standard deals with the ash content determination method of kukersite oil shale. According to the standard, ash content is determined both in the aggregate sample of oil shale, in a harmonized sample, as well as in a mortar, borehole, enrichment residue and other oil shale samples taken and tested for analyzes in accordance with the current standard document for mineral and technological research purposes. A note: Ash depends on the amount of inorganic compounds in oil shale and the conditions of ashing. Therefore it is necessary to strictly enforce the conditions for ashing to keep the ash content comparable. The basic terms used in the standard and their definitions are given in Annex A.
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