Abstract
From adsorption data and measurements of length changes of a porous glass rod, a qualitative description of the processes involved in the adsorption of water vapor is developed. Particular attention is devoted to the causes of the hysteresis loop. The qualitative theory appears to be useful in understanding the adsorption of water on charcoal, and may therefore be of value in interpreting the phenomenon of limited hysteresis on any porous adsorbent.Three attempts to test the theory quantitatively are presented. These involve the computation of surface areas, of Young's moduli, and of isosteric heats of adsorption. The quantitative treatment also leads to an estimate of the total number of pores and the mean length of the pores, in addition to the pore radius. Such an assessment of a porous structure has apparently not been possible earlier.
Publisher
Canadian Science Publishing
Subject
Organic Chemistry,General Chemistry,Catalysis
Cited by
181 articles.
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