Volume Changes of a Thixotropic, Sodium Bentonite Suspension during Sol-Gel-Sol Transition
- 13 September 1963
- journal article
- other
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 141 (3585) , 1040-1041
- https://doi.org/10.1126/science.141.3585.1040
Abstract
Dilatometric measurements during the sol-gel-sol transition of an air-free, thixotropic, sodium bentonite suspension revealed a reversible change in volume of about 2.4 X 10-4 percent. The volume of the suspension increased during gelation and decreased when the gel was subsequently liquified. This is taken as evidence of a progressive building up, during gelation, of a water structure less dense than normal.Keywords
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