ASTM D7569/D7569M-10(2015)e1
- Standard Practice for Determination of Gas Content of Coal—Direct Desorption Method
- standard by ASTM International, 02/01/2015
- Publisher: ASTM
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1.1 This practice describes methods for the direct determination of the gas content of coal by desorption using samples obtained by drill coring methods from the surface. It sets out guidelines for the equipment construction, sample preparation and testing procedure, and method of calculation.
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