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About This Item

 

Full Description

Specifies procedures for the determination of the desorbed gas content of coal and carbonaceous material by directly measuring the volume of gas, using the water displacement method, from material obtained by coring or collection of lump samples.
 

Document History

  1. AS 3980:2016

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

    • Most Recent
  2. AS 3980-1999


    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