Standard

ISO 1017:1985

Withdrawn

Note: This standard has a new edition: ISO 1017:2025

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Abstract

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.

Document information

  • Standard from ISO
  • Published:
  • Withdrawn:
  • Expires:
  • Edition: 2
  • Document type: IS
  • Pages
  • Publisher ISO
  • Distributor ISO
  • ICS 73.040
  • ISO TC ISO/TC 27/SC 5

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