THE DENSITY OF WATER SORBED ON CHARCOAL

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Abstract
The apparent volume of water sorbed by a zinc chloride activated charcoal has been measured over the entire range of relative pressures, employing an apparatus especially designed to eliminate carry-over of water vapor into the sorption cell. The apparent volume has been found to be consistently greater over the entire sorption isotherm than the normal volume of an equal weight of liquid water, and it tends to be slightly higher on desorption than on adsorption. The results are in qualitative agreement with those of Wiig and Juhola and in marked disagreement with those of Morrison and McIntosh.

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