The polarographic and voltammetric behaviour of acetylacetonato and hexafluoroacetylacetonato complexes in acetonitrile |
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| Authors: | G Gritzner H Murauer V Gutmann |
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| Institution: | Institute of Inorganic Chemistry, Technical University of Vienna, Getreidemarkt 9, A 1060-Vienna (Austria) |
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| Abstract: | The polarographic behaviour of Ce(acac)4, Ce(acac)3, Eu(acac)3, Fe(acac)3, Cr(acac)3, Co(acac)3, Mn(acac)3, NaMn(acac)3, Mn(acac)2, Ni(acac)2, Cu(acac)2, VO(acac)2, Fe(hfacac)3, Cr(hfacac)3 and Cu(hfacac)2 has been studied in acetonitrile on the dropping mercury electrode. Half-wave potentials versus bisbiphenylchromium(I)/(0), the reversibility of the electrode reaction and the number of electrons participating in the electrode processes measured by coulometry are reported. Cyclovoltammetric measurements have been performed on the hanging mercury drop electrode and on the stationary platinum electrode, the data of these studies are given. quite different behaviour has been observed on the platinum electrode compared to the dropping mercury electrode. Large scale electrolysis was employed to obtain information on the reaction products. The influence of the electrode material and the reaction mechanisms are discussed. |
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