LONDON – VAN DER WAALS ATTRACTIVE FORCES BETWEEN GLASS SURFACES
Open Access
- 1 September 1955
- journal article
- Published by Canadian Science Publishing in Canadian Journal of Chemistry
- Vol. 33 (9) , 1375-1383
- https://doi.org/10.1139/v55-165
Abstract
The attractive force between a pyrex glass bead and plate has been measured using a sensitive pendulum-type apparatus. The force required for separation of the bead from the plate has been shown to be strongly time dependent, a phenomenon which appears not to have been reported previously for adhesions in gaseous media. The observed results have been shown to be consistent with the theoretical London – van der Waals interaction. The estimated value of the London force constant is compared with that obtained by other workers.Keywords
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