Chinese Academy of Geological Sciences 1 article published in JoVE Environment Experimental Study of the Relationship Between Particle Size and Methane Sorption Capacity in Shale Li Gao1, Zongxiu Wang1, Mingliang Liang1, Yuxi Yu1, Lei Zhou1 1Institute of Geomechanics/Key Lab of Shale Oil and Gas Geological Survey, Chinese Academy of Geological Sciences We use an isothermal adsorption apparatus, the gravimetric sorption analyzer, to test the adsorption capacity of different particle sizes of shale, in order to find out the relationship between particle size and the adsorption capacity of shale.