- P-ISSN 1225-0163
- E-ISSN 2288-8985
- P-ISSN1225-0163
- E-ISSN2288-8985
- SCOPUS, ESCI, KCI
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In-Situ Spectroelectrochemical Studies of Manganese(II) Oxidation
Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
1995, v.8 no.4, pp.569-574
Zhang,
H., &
Park,
S.
(1995). In-Situ Spectroelectrochemical Studies of Manganese(II) Oxidation. , 8(4), 569-574.
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Abstract
In-situ spectroelectrochemical studies have been carried out on the oxidation of Mn(II) at platinum, gold, lead dioxide, and bismuth doped lead dioxide electrodes. The Mn(III), <TEX>$MnO_2$</TEX>, and/or <TEX>${MnO_4}^-$</TEX> species are produced depending on experimental conditions employed during electrolysis. Mn(III) is shown to be produced from a very early stage during the anodic potential scan and undergo disproportionation-conproportionation reactions depending on the relative concentration of each species near the electrode surface. An oxidation mechanism consistent with these observations is proposed.
- keywords
- Oxidation Mechanism, Mn(II), Mn(III), permanganate
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