2010
DOI: 10.1149/1.3484786
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Electronic Absorption Spectra of Vanadium Species in Halide Melts

Abstract: Physico-chemical behavior of vanadium in chloride melts was studied using high temperature electronic absorption spectroscopy and spectroelectrochemistry. Dissolution of VCl 3 in molten chloride leads to the formation V(III) species, VCl 6 3-. Vanadium(II) complex ions VCl 6 4-are formed during electroreduction of vanadium(III)-containing melts and vanadium metal anodic dissolution. V(II) chloro-species slowly react with silica to form an oxygen-containing insoluble phase. Due to high volatility of VCl 4 oxyge… Show more

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Cited by 8 publications
(19 citation statements)
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“…Reaction of all common vanadium oxides, i.e., V 2 O 3 , V 2 O 4 and V 2 O 5 , with hydrogen chloride in molten alkali chlorides resulted in formation of vanadium(IV)-containing melts irrespectively of the starting oxide. 20 In the visible region the absorption spectra contained a single band around 14000 cm −1 , Figs. 3, 4.…”
Section: Spectra Of Vanadium(iii) Ions-vanadium(iii)mentioning
confidence: 97%
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“…Reaction of all common vanadium oxides, i.e., V 2 O 3 , V 2 O 4 and V 2 O 5 , with hydrogen chloride in molten alkali chlorides resulted in formation of vanadium(IV)-containing melts irrespectively of the starting oxide. 20 In the visible region the absorption spectra contained a single band around 14000 cm −1 , Figs. 3, 4.…”
Section: Spectra Of Vanadium(iii) Ions-vanadium(iii)mentioning
confidence: 97%
“…20 Dissolution of vanadium dichloride in molten alkali chlorides produced a mixture of V(II) and V(III) chloro-species due to partial disproportionation of VCl 2 to VCl 3 and vanadium metal.…”
Section: 20mentioning
confidence: 99%
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