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RevistaJournal of Analytical and Applied Pyrolysis
Año2011
Volumen91
Páginas332–337
Internacional

Effect of thermal annealing on synthetic sodium oxalate crystals

Autores:Miguel A. Bañares
Grupos de investigación:Espectroscopia y catálisis industrial

The thermal stability of sodium oxalate (Na2 C2 O4 ) has been analyzed in the range of room temperature and 900 C by different techniques. All of them, namely (i) environmental scanning electron microscopy (ESEM); (ii) differential-thermal analysis with simultaneous thermo-gravimetry (DTA–TG); (iii) tempe- rature programmed decomposition mass spectrometry (TDP-MS); (iv) X-ray diffraction with heating stage (HS–XRD); (v) temperature programmed Raman spectroscopy (TP-Raman); and (vi) thermolumi- nescence (TL), provide information about the changes induced by thermal treatments. Thus, dehydration, decomposition, phase transition, decarbonylation, dissociation or lattice stress are some of the processes here described.

Palabras clave:Sodium oxalate, Thermal properties, Thermal analysis, Thermal annealing
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