Quantification of mixed-layer illite-smectite in glass matrices by Fourier-transform infrared spectroscopy

被引：5

作者：

de la Fuente, S ^{[1
]}

Cuadros, J ^{[1
]}

Linares, J ^{[1
]}

机构：

[1] CSIC, Dept Ciencias Tierra & Quim Ambiental, Estac Expt Zaidin, E-18008 Granada, Spain

来源：

CLAYS AND CLAY MINERALS | 2000年 / 48卷 / 02期

关键词：

FTIR; illite; illite-smectite; quantitative analysis; smectite;

D O I：

10.1346/CCMN.2000.0480217

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 [物理化学]; 081704 [应用化学];

摘要：

A study was carried out to determine the most appropriate method for quantitative analysis of Al-rich smectite, mixed-layer illite-smectite (I-S), or illite in the presence of volcanic glass using Fourier-transform infrared (FTIR). In particular, FTIR was used for the quantitative determination of the experimental products, using diffuse reflectance and transmission spectra. Both techniques were useful, however, diffuse reflectance was the better method. Diffuse reflectance had a higher reproducibility because samples require only to be homogeneously mixed with KBr, and the intensity of the IR band of interest will depend only on the sample concentration in the mixture.

引用

页码：299 / 303

页数：5

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