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Xanthate Adsorbed on ZnS Studied by Polarized FTIR-ATR Spectroscopy
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    Xanthate Adsorbed on ZnS Studied by Polarized FTIR-ATR Spectroscopy
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    Division of Inorganic Chemistry, Luleå University of Technology, SE-971 87, Sweden
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    Langmuir

    Cite this: Langmuir 2000, 16, 21, 8129–8133
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    https://doi.org/10.1021/la000454+
    Published September 23, 2000
    Copyright © 2000 American Chemical Society

    Abstract

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    The structure and orientation of heptylxanthate adsorbed on a ZnS surface have been studied by the FTIR-ATR technique. By using polarized light and the dichroic ratio, we found the average tilt angle to be approximately 44 degrees. The adsorbed layer studied was prepared by self-assembly from solution or by spraying the solution onto the surfaces of the ATR crystal for a short time and then rinsing with water. From the spectra we can conclude that there is a mixture of adsorbed heptylxanthate and formed diheptyldixanthogen on the ZnS surface. A bridging coordination of the adsorbed heptylxanthate is proposed.

    Copyright © 2000 American Chemical Society

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     Author to whom correspondence should be addressed. E-mail:  [email protected].

    Cited By

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    Langmuir

    Cite this: Langmuir 2000, 16, 21, 8129–8133
    Click to copy citationCitation copied!
    https://doi.org/10.1021/la000454+
    Published September 23, 2000
    Copyright © 2000 American Chemical Society

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