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Title: The adsorption of thiosemicarbazide at the mercury/phosphoric acid solution interface
Authors: Thiagarajan, R
Iyer, S Venkatakrishna
Issue Date: Nov-1991
Publisher: NISCAIR-CSIR, India
Abstract: Adsorption of thiosemicarbazide on the mercury electrode from 0.2 N phosphoric acid has been studied using a capillary electrometer. Electrocapillary curves have been obtained in the presence of different concentrations of the adsorbate. Thermodynamic parameters like charge on the metal surface (qM) and surface excess of organic molecules adsorbed (Gorg) have been calculated. From the adsorption data, it is clearly seen that the adsorption of this compound obeys Temkin's adsorption isotherm. The variation of free energy of adsorption with charge on the metal surface has been explained.
Page(s): 959-963
ISSN: 0975-0975(Online); 0376-4710(Print)
Appears in Collections:IJC-A Vol.30A(11) [November 1991]

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