Bulletin of the Chemical Society of Japan · 1975 · 33 citations · 5 references
Natural SciencesChemistryMaterials ScienceInorganic ChemistryPhysical ChemistrySolid-state ChemistryChemical ThermodynamicsDecomposition AnalysisMetal OxidesMetalsMineral ChemistryThermogravimetric AnalysisChemical Reaction MechanismsCombustion Residue AnalysisDecomposition MechanismsInorganic SaltsThermal DecompositionThermal Decomposition ReactionsTransition Metal OxidesX-ray Diffraction Analysis
Abstract The thermal decomposition reactions of MC4H4O4 (M : Mg(II), Co(II), Ni(II), Cu(II), Zn(II), and Pb(II)) in nitrogen or helium were investigated by means of TG-DTA, X-ray diffraction measurements, gas chromatography, and combustion analysis for carbon. The decomposition residues of the Mg and Zn salts were composed of the corresponding metal oxides and some carbon, while those of the Co, Ni, Cu, and Pb salts were composed of the corresponding metals and some carbon. H2, O2, CO, CO2, H2O, CH4, C2H2, C2H4, HCOOCH3, HCOOC2H5, CH3COOC2H5, C2H5COOC2H5, and (CH2CO)2O were identified as the gaseous decomposition products; the compositions of the gaseous mixtures varied a great deal with the metals. Possible reaction mechanisms were discussed mainly on the basis of the decomposition products.
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