Introduction with Surface Analyses Based on Physical Adsorption-Desorption
Physical adsorption is one of the powerful methods to analyze structure of porous materials especially for catalytic precursors. With emerging of physical adsorption devices, adsorbed gas amounts versus varied relative pressures data lead to obtain beneficial results like surface area, pore volume and pore size distribution based on various theories. Additionally by consideration of adsorption-desorption isothermal curve, we can estimate shape of the porous. In this work, it has been tried to present briefly adsorption physical concepts, conventional methods of surface area measurement, pore volume and pore size distribution
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