ADSORPTION OF ACETONITRILE ON POLYCRYSTALLINE AG ELECTRODES - COMPARISON WITH HG ELECTRODES

被引：13

作者：

DOUBOVA, LM

TRASATTI, S

VALCHER, S

机构：

[1] UNIV MILAN, DEPT PHYS CHEM & ELECTROCHEM, VIA VENEZIAN 21, I-20133 MILAN, ITALY

[2] CNR, IPELP, CORSO STATI UNITI 4, I-35020 CAMIN, ITALY

[3] UNIV BOLOGNA, G CIAMICIAN DEPT CHEM, I-44126 BOLOGNA, ITALY

来源：

JOURNAL OF ELECTROANALYTICAL CHEMISTRY | 1993年 / 349卷 / 1-2期

关键词：

D O I：

10.1016/0022-0728(93)80172-E

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

The adsorption of acetonitrile (ACN) from aqueous solution was investigated with a polycrystalline Ag electrode using 0,05 mol dm-3 KClO4 as a supporting electrolyte. Charge-potential data were obtained both by integration of double-layer capacitance curves recorded by means of a lock-in amplifier, and by direct determination of the charge with potential steps. ACN was found to adsorb on Ag with qualitatively the same orientation as on Hg, but the adsorption Gibbs energy is lower, as expected from correlations involving other interfacial parameters.

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页码：187 / 195

页数：9

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