INCORPORATION OF ANIONIC SPECIES IN ORGANOCLAY-MODIFIED ELECTRODES

被引:26
作者
FALARAS, P
PETRIDIS, D
机构
[1] National Center for Scientific Research Demokritos
来源
JOURNAL OF ELECTROANALYTICAL CHEMISTRY | 1992年 / 337卷 / 1-2期
关键词
D O I
10.1016/0022-0728(92)80540-K
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
Clay-modified electrodes coated with cetyltrimethylammonium bromide present a particularly interesting chemical affinity towards anionic species. Incorporation and binding of electroactive anions such as Fe(CN)64-, Mo(CN)84- and Fe(C2O4)33- from aqueous solutions as dilute as 10(-7) M has been observed. Cyclic voltametry shows that the peak potentials of bound species shift in the negative direction compared with the corresponding values of free diffusing species.
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页码:229 / 239
页数:11
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