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ISO 8264:1989
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Hard coal -- Determination of the swelling properties using a dilatometer

Abstract

A test piece, in the form of a pencil, prepared from powdered coal is heated at a constant rate in a steel retort positioned in a furnace, the temperature monitoring system having been previously calibrated using two reference metals of known melting points. The change in level of a piton resting upon the test piece is observed continuously, and record is produced which is characteristic of the swelling properties of the coal.

 

  • Edition: 1 (Monolingual) ICS: 73.040
    Status: Published Stage: 90.60 (2013-09-18)
    TC/SC: ISO/TC 27/SC 5 Number of Pages: 9
  • No revision information available

  • No corrigenda or amendments available

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