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Please use this identifier to cite or link to this item: http://hdl.handle.net/1942/3432

Title: Preparation and thermal decomposition of various forms of strontium oxalate
Authors: KNAEPEN, Els
MULLENS, Jules
YPERMAN, Jan
VAN POUCKE, Lucien
Issue Date: 1996
Publisher: ELSEVIER SCIENCE BV
Citation: THERMOCHIMICA ACTA, 284(1). p. 213-227
Abstract: Strontium oxalate exists in two different forms: the neutral strontium oxalate hydrate, SrC2O4 . H2O, and the acid salt of strontium oxalate, SrC2O4 . yH(2)C(2)O(4) . xH(2)O. Depending on the concentration of oxalic acid and ammonium oxalate as precipitating agents, both forms can be obtained. At a sufficiently low pH, the stoichiometric compound SrC(2)O(4)1/2H(2)C(2)O(4) . H2O is formed. The thermal decomposition of the different strontium oxalates is studied in different atmospheres using DSC, and TGA coupled with FTIR and MS. The TGA-EGA spectra indicate that the anhydrous acid oxalate decomposes with the release of H2O, CO, CO2 and formic acid.
Notes: LIMBURGS UNIV CENTRUM,LAB INORGAN & PHYS CHEM,B-3590 DIEPENBEEK,BELGIUM.
URI: http://hdl.handle.net/1942/3432
DOI: 10.1016/0040-6031(96)02863-8
ISI #: A1996VC19800018
ISSN: 0040-6031
Type: Journal Contribution
Appears in Collections: Research publications

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