The Effect of Physical Adsorption on the Electrical Resistance of Activated Carbon

摘要

The change of electrical resistance of several rods of activated carbon on the adsorption of a variety of vapors has been determined. The direction and extent of the resistance change appear to depend upon the adsorbate. The hypothesis that the changes in resistance are due to the variations in contact resistance between the carbon granules does not appear to be adequate to explain the observations.