Title: The Rietveld structure refinement of an exceptionally pure sample of clinoptilolite from Ecuador and its Na-, K-, and Ca-exchanged forms
Authors: Snellings, Ruben ×
Gualtieri, A.F.
Elsen, Jan #
Issue Date: Nov-2009
Publisher: Oldenbourg verlag
Series Title: Zeitschrift für Kristallographie. New Crystal Structures vol:suppl. 30 issue:suppl. 30 pages:395-400
Conference: European Powder Diffraction Conference edition:11 location:Warsaw date:19-22 september 2008
Abstract: The crystal structures of a highly pure, sedimentary clinoptilolite and the Na-, K-, and Ca-exchanged forms were refined by the Rietveld method using X-ray diffraction data collected with both conventional and synchrotron sources and different instrumental geometries. The refined structures showed that the clinoptilolite framework is not sensitive to cation exchange with Na+, K+ or Ca2+. The M1 extraframework cation site is occupied by Na, Ca, and Ba M2 by Ca, M3 by K, and M4 by Mg. The M1 site occupancy significantly influences the configuration of extraframework water molecules.
ISSN: 0044-2968
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Division of Geology
× corresponding author
# (joint) last author

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