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Please use this identifier to cite or link to this item: http://hdl.handle.net/1942/3180

Title: Preparation and characterization of coprecipitates and mechanical mixtures of calcium-strontium oxalates using XRD, SEM-EDX and TG
Authors: KNAEPEN, Els
Van Bael, Marlies
SCHILDERMANS, Inge
NOUWEN, Ria
NOUWEN, Ria
D'HAEN, Jan
D'OLIESLAEGER, Marc
QUAEYHAEGENS, Carl
FRANCO, Dirk
YPERMAN, Jan
MULLENS, Jules
VAN POUCKE, Lucien
Issue Date: 1998
Publisher: ELSEVIER SCIENCE BV
Citation: THERMOCHIMICA ACTA, 318(1-2). p. 143-153
Abstract: In view of the study of the chemistry of the oxalate coprecipitation process for preparing BiSrCaCuO superconductors, the characteristics of oxalates of calcium and strontium in the Ca(NO3)(2)-Sr(NO3)(2)-HNO3-H2O-(NH4)(2)C2O4 system are investigated. Based on XRD, SEM and TG a comparison between the crystal structure, morphology and thermal decomposition behavior of coprecipitated and physically mixed calcium and strontium oxalates with the same Ca/Sr stoichiometry is made. It is shown that the coprecipitated powders form homogeneous solid solutions of which the crystal structure, morphology and thermal behaviour depend on the Ca/Sr stoichiometry. (C) 1998 Elsevier Science B.V.
Notes: Limburgs Univ Ctr, IMO, Lab Inorgan & Phys Chem, B-3590 Diepenbeek, Belgium. Limburgs Univ Ctr, IMO, Div Mat Phys, B-3590 Diepenbeek, Belgium.Mullens, J, Limburgs Univ Ctr, IMO, Lab Inorgan & Phys Chem, Bldg D, B-3590 Diepenbeek, Belgium.
URI: http://hdl.handle.net/1942/3180
DOI: 10.1016/S0040-6031(98)00339-6
ISI #: 000075885400020
ISSN: 0040-6031
Type: Journal Contribution
Validation: ecoom, 1999
Appears in Collections: Research publications

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