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About This Item

 

Full Description

Describes methods for the determination of the gas content of coal by desorption, using samples obtained by surface drilling and from underground.
 

Document History

  1. AS 3980:2016


    Determination of gas content of coal and carbonaceous material - Direct desorption method

    • Most Recent
  2. AS 3980-1999

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    Guide to the determination of gas content of coal - Direct desorption method

    • Historical Version
  3. AS 3980-1991


    Guide to the determination of desorbable gas content of coal seams - Direct method

    • Historical Version