Identification of reaction products of mild oxidation of H2S in solution and in 
solid state by UV-VIS spectroscopy

Melsheimer, Jörg; Schlögl, Robert

doi:10.1007/s002160050177

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Identification of reaction products of mild oxidation of H₂S in solution and in solid state by UV-VIS spectroscopy

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Melsheimer, Jörg
Inorganic Chemistry, Fritz Haber Institute, Max Planck Society;

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Schlögl, Robert
Inorganic Chemistry, Fritz Haber Institute, Max Planck Society;

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Melsheimer, J., & Schlögl, R. (1997). Identification of reaction products of mild oxidation of H₂S in solution and in solid state by UV-VIS spectroscopy. Fresenius' Journal of Analytical Chemistry, 357(4), 397-400. doi:10.1007/s002160050177.

Cite as: https://hdl.handle.net/21.11116/0000-0008-E60F-5

Abstract

UV-VIS spectroscopic investigations were carried out on several sulphur-compounds to attribute the absorption bands (290, 302, 330 nm) observed by in-situ reflectance spectroscopy to particular S_xO²⁻_y and S²⁻_x species. It was possible to assign the absorption bands to S₂O^2-₃, S²⁻₂ and S₂O²⁻₄. These species are relevant in the catalytic oxidation of H₂S over alumina.