Simulation of the XRD patterns, structural properties of a synthetic Na-Hectorite exchanged Cu2+ and Ca2+

被引：0
|
作者：
Karmous, M. S. [1 ]
Oueslati, W. [1 ]
Ben Rhaiem, H. [1 ]
Robert, J. L. [1 ]
Amara, A. Ben Haj [1 ]
机构：
[1] IMPMC, F-75015 Paris, France
来源：
ZEITSCHRIFT FUR KRISTALLOGRAPHIE | 2007年
关键词：
simulation XRD; synthetic hectorite; H-Cu; H-Ca; hydration;
D O I：
暂无
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
The aim of this paper is to determine the hydration characteristics of Na-hectorite exchanged Cu2+ or Ca2+. The number and positions of H2O molecules are determined by an indirect method based on the comparison between theoretical and experimental XRD patterns. The obtained results on air-dried Hectorite-Cu (H-Cu) and Hectorite-Ca (H-Ca) showed that these samples are characterised by 12.49 angstrom and 15.10 angstrom basal spacing respectively. These values correspond respectively to one and two water layers in the interlamellar space.
引用
收藏
页码：503 / 508
页数：6
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