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The Influence of Fluoride Media and CH 3 CN on the Voltammetric Behavior of Ferrocene, Quinhydrone, and Methyl Phenyl Sulfide on Pt and Carbon Electrodes
Author(s) -
Noel M.,
Suryanarayanan V.,
Santhanam R.
Publication year - 2000
Publication title -
electroanalysis
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.574
H-Index - 128
eISSN - 1521-4109
pISSN - 1040-0397
DOI - 10.1002/1521-4109(200009)12:13<1039::aid-elan1039>3.0.co;2-s
Subject(s) - ferrocene , fluoride , chemistry , glassy carbon , inorganic chemistry , triethylamine , sulfide , graphite , adsorption , electrode , cyclic voltammetry , electrochemistry , organic chemistry
Cyclic voltammetric behavior of ferrocene, quinhydrone, and methyl phenyl sulfide on Pt, glassy carbon (GC) and polypropylene composite graphite (CPP) electrodes are compared in TBAP/CH 3 CN, triethylamine (TEA).3HF/CH 3 CN and TEA.3HF media. In medium containing CH 3 CN, the voltammetric behavior of title compounds are quite similar in the absence and presence of fluoride ions. The voltammetric features vary only slightly, due to some adsorption effects and catalytic hydrogen evolution on Pt. In TEA.3HF medium, all three electrodes show significantly higher background currents in the middle potential region itself. The peak potential and the charge transfer rate constant of these compounds are also found to be significantly different in TEA.3HF room temperature melt. The analytical implications of these medium effects are also discussed.