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The transformation of synthetic hectorite in the presence of Cu(II)

Fischer, Håkon ; Weidler, Peter G. ; Grobéty, Bernard ; Luster, Jörg ; Gehring, Andreas U.

In: Clays and Clay Minerals, 2009, vol. 57, no. 2, p. 139-149

The influence of Cu(II) on the hydrothermal and thermal transformations of a synthetic hectorite was investigated by a combined approach using mainly X-ray diffraction, thermal analyses, and electron paramagnetic resonance spectroscopy. The presence of Cu(II) during hydrothermal treatment increased the crystallite size. Copper (II) was both structure-bound and associated with the inner surfaces...