IDENTIFICATION OF NONCRYSTALLINE (FE,CR)(OH)3 BY INFRARED-SPECTROSCOPY

被引：58

作者：

AMONETTE, JE

RAI, D

机构：

来源：

CLAYS AND CLAY MINERALS | 1990年 / 38卷 / 02期

关键词：

D O I：

10.1346/CCMN.1990.0380203

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Iron-chromium hydroxides are important solid phases governing the aqueous concentrations of Cr(III) in soils and fly ashes. Although direct identification of noncrystalline (Fe,Cr)(OH)3 is difficult, the infrared spectra of noncrystalline Fe(OH)3 and Cr(OH)3, coprecipitated (Fe,Cr)(OH)3, and physical mixtures of Fe(OH)3 and Cr(OH)3 can be distinguished on the basis of the asymmetric stretching doublet (ν3) of structural carbonate anions. -from Authors

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页码：129 / 136

页数：8

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