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Composition, structure, and properties of iron-rich nontronites of different origins

机译:不同来源的富铁硬石膏的组成,结构和性质

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摘要

The composition, structure, and properties of smectites of different origins have been studied by X-ray diffraction, IR spectroscopy, scanning electron microscopy, and microprobe analysis. The results showed that nontronites of different origins differ in composition, properties, morphology, and IR spectroscopic characteristics. Depending on the degree of structural order and the negative charge of iron-silicate layers in nontronites, the shift of the 001 reflection to smaller angles as a result of impregnation with ethylene glycol (this shift is characteristic of the smectite group) occurs differently. The calculated values of the parameter b (from 9.11 to 9.14?) are valid for the extreme terms of dioctahedral smectite representatives: nontronites.
机译:已经通过X射线衍射,IR光谱,扫描电子显微镜和微探针分析研究了不同来源的绿土的组成,结构和性质。结果表明,不同来源的囊突在组成,性质,形态和红外光谱特征上都不同。取决于非晶体的结构次序程度和硅酸铁层的负电荷,由于乙二醇的浸透,001反射向较小角度的偏移(这种偏移是蒙脱石基团的特征)会不同地发生。参数b的计算值(从9.11到9.14?)对于二面体蒙脱石代表的极端术语(白脱石)有效。

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