Norm

ISO 1017:1985 en

Brown coals and lignites - Determination of acetone-soluble material ("resinous substances") in the toluene-soluble extract

  • Deze norm is ingetrokken sinds 01-12-2006

31,57

Over deze norm

Status Ingetrokken
Aantal pagina's 2
Commissie Vaste Minerale Brandstoffen
Gepubliceerd op 12-12-1985
Taal Engels
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.

Details

ICS-code 73.040
Nederlandse titel Brown coals and lignites - Determination of acetone-soluble material ("resinous substances") in the toluene-soluble extract
Engelse titel Brown coals and lignites - Determination of acetone-soluble material ("resinous substances") in the toluene-soluble extract
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