THE ADSORPTION OF THIOSEMICARBAZIDE AT THE MERCURY PHOSPHORIC-ACID SOLUTION INTERFACE

被引：0
作者：
THIAGARAJAN, R [1 ]
IYER, SV [1 ]
机构：
[1] URMU DHANALAKSHMI COLL, Tiruchirappalli 620019, TAMIL NADU, INDIA
来源：
INDIAN JOURNAL OF CHEMISTRY SECTION A-INORGANIC BIO-INORGANIC PHYSICAL THEORETICAL & ANALYTICAL CHEMISTRY | 1991年 / 30卷 / 11期
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D O I：
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中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Adsorption of thiosemicarbazide on the mercury electrode from 0.2N 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 (q(M)) and surface excess of organic molecules adsorbed (GAMMA-org) 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.
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页码：959 / 963
页数：5
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