The simultaneous adsorption of iodide and thiocyanate ions on mercury
作者： Romeu C. Rocha-Filho , Ernesto R. González , Luis A. Avaca
DOI: 10.1016/0368-1874(85)85524-6
关键词: Chemistry 、 Iodide 、 Sodium thiocyanate 、 Adsorption 、 Mole fraction 、 Inorganic chemistry 、 Ionic strength 、 Selective adsorption 、 Aqueous solution 、 Thiocyanate
摘要: The simultaneous adsoprtion of iodide and thiocyanate on mercury electrodes from a aqueous mixed solutions NaI+NaSCN has been studied through measurements the double-layer capacity at 298 K. Eighty-one composition xμ M NaI+(1 - x)μ NaSCN were studied; x, molar fraction NaI, was varied between 0 0.75, μ, ionic strength, 0.01 1.0 M. parameters double layer obtained using method proposed by Lakshmanan Rangarajan, suitable computer program. It is shown that two anions can be specifically adsorbed same time inhibition adsorption one anion other occur simultaneously for some solutions. A comparative analysis charge each carried out different solutions, or not. influence variation activity coefficients salts values charges also discussed.
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sci-hub.se 参考文章(47)
Georges Vallete, Evidence for competitive adsorption of fluoride ions in studies carried out at constant ionic strength: The bromide adsorption on a (110) face of silver Journal of Electroanalytical Chemistry. ,vol. 132, pp. 311- 322 ,(1982) , 10.1016/0022-0728(82)85027-4
Fred C. Anson, D.A. Payne, A study of thiocyanate ion adsorption on mercury by chronocoulometry Journal of Electroanalytical Chemistry. ,vol. 13, pp. 35- 43 ,(1967) , 10.1016/0022-0728(67)80090-1
Henri D. Hurwitz, Direct determination of the surface excess of specifically adsorbed ions on mercury Journal of Electroanalytical Chemistry. ,vol. 10, pp. 35- 41 ,(1965) , 10.1016/0022-0728(65)85013-6
Fred C. Anson, Donald J. Barclay, Anion induced adsorption of cadmium(II) on mercury from iodide and bromide media Analytical Chemistry. ,vol. 40, pp. 1791- 1798 ,(1968) , 10.1021/AC60268A021
Edward Dutkiewicz, Roger Parsons, The adsorption of iodide ion from aqueous KI + KF of constant ionic strength Journal of Electroanalytical Chemistry (1959). ,vol. 11, pp. 100- 110 ,(1966) , 10.1016/0022-0728(66)80069-4
Maurizio Caselli, Paolo Papoff, Adsorption of lead(II) chloride by chronoamperometric measurements Journal of Electroanalytical Chemistry. ,vol. 23, pp. 41- 53 ,(1969) , 10.1016/S0022-0728(69)80189-0
S. Lakshmanan, S.K. Rangarajan, Mixed adsorption at mercury/solution interfaces Journal of Electroanalytical Chemistry. ,vol. 27, pp. 127- 134 ,(1970) , 10.1016/S0022-0728(70)80208-X
George. Lauer, Roger. Abel, Fred C. Anson, Electrochemical data acquisition and analysis system based on a digital computer Analytical Chemistry. ,vol. 39, pp. 765- 769 ,(1967) , 10.1021/AC60251A015
Roger Parsons, The specific adsorption of ions at the metal-electrolyte interphase Transactions of the Faraday Society. ,vol. 51, pp. 1518- 1529 ,(1955) , 10.1039/TF9555101518
Luis A. Avaca, Ernesto R. González, Romeu C. Rocha Filho, On the simultaneous adsorption of anions on mercury Journal of Electroanalytical Chemistry. ,vol. 147, pp. 345- 346 ,(1983) , 10.1016/S0022-0728(83)80081-3