Xanthate adsorbed on ZnS studied by polarized FTIR-ATR spectroscopy

被引：34

作者：

Larsson, ML ^{[1
]}

Holmgren, A ^{[1
]}

Forsling, W ^{[1
]}

机构：

[1] Lulea Univ Technol, Div Inorgan Chem, SE-97187 Lulea, Sweden

来源：

LANGMUIR | 2000年 / 16卷 / 21期

关键词：

D O I：

10.1021/la000454+

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

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.

引用

页码：8129 / 8133

页数：5

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