Abstract
A new method for the characterization of the pore size distribution of microporous solids is applied on data obtained for activated carbon molecular sieve samples. In this method, based on the Dubinin–Astakhov equation, a simple numerical algorithm is used for the reconstruction of the micropore size distribution from the integral equation that represents the experimental nitrogen adsorption isotherm. The results are compared with the ones obtained on the basis of the well-known Horvath–Kawazoe method. The samples used in this study come from a carbon molecular sieve that has been treated with solutions of concentrated HNO 3 at various temperatures and with solutions of H 2O 2 of various concentrations.
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