STUDY OF INORGANIC LIGAND CHROMIUM(III) SURFACE TERNARY COMPLEXES BY ESR SPECTROSCOPY

被引:5
作者
CHARLET, L
KARTHEIN, R
机构
[1] SWISS FED INST TECHNOL,INST AQUAT SCI,CH-8600 DUBENDORF,SWITZERLAND
[2] SWISS FED INST TECHNOL,PHYS CHEM LAB,CH-8092 ZURICH,SWITZERLAND
关键词
chromium; Electron spin resonance spectroscopy (ESR); fluoride; phosphate; selenite; surface complexation;
D O I
10.1007/BF00878243
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Cr(III) sorbed at the solid/water interface of latex and hectorite was studied by ESR spectroscopy in the presence of different inorganic ligands. The ESR spectra of the surface obtained in the presence of selenite, phosphate and fluoride can be explained in terms of ternary surface complex formation. This is contrasted by the behaviour of sulfate and selenate ions which were found to have no effect on the ligand field of Cr(III), either in the adsorbed state or in solution. © 1990 Birkhäuser Verlag.
引用
收藏
页码:93 / 102
页数:10
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