Abstract
1. The adsorption properties of several samples of active carbons with respect to benzene vapor at 20° and to nitrogen vapor at −195° were studied in detail. 2. It was shown that in both cases adsorption is due to dispersion interaction of vapor molecules with the active carbon surface. Affinity coefficients of the characteristic curves of nitrogen were calculated. 3. The main causes for the differences in the sorption volumes of nitrogen and benzene at the start of hysteresis on the adsorption isotherms were analyzed. 4. More rational methods were proposed for the determination of the volumes of micropores and intermediate pores of active carbons of the first structural type. 5. The question of the choice of a standard vapor for the characterization of the adsorption properties of active carbons was discussed.
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