Adsorption of acetanilide on mercury from aqueous solutions of sodium dihydrogen phosphate
- 1 January 1966
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Transactions of the Faraday Society
- Vol. 62, 3511-3523
- https://doi.org/10.1039/tf9666203511
Abstract
The adsorption of acetanilide as a typical non-electrolyte has been studied from solutions of NaH2PO4. Its behaviour can be described by a two-dimensional equation of state of the imperfect gas type with a second virial coefficient equal to twice the molecular area. The standard free energy of adsorption depends quadratically on the effective charge on the metal, if the specifically adsorbed H2PO– 4 is allowed for in a simple way. The adsorption of H2PO– 4 ion has also been studied in the presence of acetanilide. The observed effects can be explained only in a tentative way.Keywords
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