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E. Ferrage, B. Lanson, N. Malikova, A. Plancon, B. A. Sakharov and V. A. Drits, “News Insights in the Distribution of Interlayer H2O Molecules in Bi-Hydrated Smectites from X-Ray Diffraction Profile Modeling of 00l Reflections,” Chemistry of Materials, Vol. 17, No. 13, 2005, pp. 3499-3512. doi:10.1021/cm047995v
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TITLE:
Structural Properties of Synthetic Na-Hectorite Exchanged with Heavy Metals
AUTHORS:
Karmous Mohamed Salah
KEYWORDS:
Hectorite, XRD, Heavy Metals, Simulation
JOURNAL NAME:
Materials Sciences and Applications,
Vol.2 No.5,
May
5,
2011
ABSTRACT: The main objective of this study is to determine the structural characteristics of synthetic Na-Hectorite (H-Na) exchanged with heavy metals: Ni2+, Pb2+, Zn2+, Cd2+, Co2+ and Mg2+ using quantitative analysis based on the comparison between the theoretical and experimental XRD patterns. The different complexes are not homogenous. The hectorite saturated by the lead and cadmium present a segregation distribution of the layers, where as the others complexes present a random distribution.