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Volatile matter furnaces


The VMF models meet the different test methods of ISO 562 and ASTM D3175; both tests relate to testing the quality and contamination level in coal. By placing the sample in a crucible with a close fitting lid the volatile matter is given off before oxidisation
ISO 562:2010 hard coal and coke – determination of volatile matter

  • Fast heating open spiral elements supported in low thermal mass insulation to ensure the rapid heating required by the standard
  • Calibration ports are provided to allow insertion of unsheathed probe thermocouples from the back of the chamber
  • Suits crucible measuring 21 mm id / 25 mm od x 38 mm high and close fitting lid
  • 4 or 9 crucible rack available (additional option)
  • A range of sophisticated controllers and programmers is available, including over-temperature protection, along with data logging equipment

ASTM D3175-11 standard test method for volatile matter in the analysis sample of coal and coke
  • Top loading 50 mm diameter design x 100 mm deep, with hinged lid
  • Crucible holder included as standard
  • Crucible 25.5 mm inside top diameter / 17 mm diameter inside bottom. Overall height 34 mm; separate lid to fit (available as an option)
  • A range of sophisticated controllers and programmers is available, including over-temperature protection, along with data logging equipment