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In situStudy of the Oxidation of Galenite (Natural PbS) in Alkaline Media by FTIR Spectroscopy: Anode Processes in the Absence of Oxygen

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Abstract

Surface compounds on a galenite electrode anodically polarized from –0.5 to 0.7 V (NHE) in a sodium tetraborate deoxygenated solution (pH 9.18) are identified in situby the FTIR spectroscopy; a voltammogram is recorded simultaneously. It follows that lead hydroxide forms on galenite by the salt-film mechanism, giving lead thiosulfate and sulfite in the next oxidation step.

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  1. St. Petersburg State Technical University, ul. Politekhnicheskaya 29, St. Petersburg, 195251, Russia

    I. V. Chernyshova

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  1. I. V. Chernyshova
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Chernyshova, I.V. In situStudy of the Oxidation of Galenite (Natural PbS) in Alkaline Media by FTIR Spectroscopy: Anode Processes in the Absence of Oxygen. Russian Journal of Electrochemistry 37, 579–584 (2001). https://doi.org/10.1023/A:1016610332483

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