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
收藏
页码：8129 / 8133
页数：5
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