ISO 8264:1989
p
ISO 8264:1989
15378

Abstract  Preview

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.


General information 

  •  :  Published
     : 1989-11
  •  : 1
     : 9
  •  : ISO/TC 27/SC 5 Methods of analysis
  •  :
    73.040 Coals

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