Thermal decomposition of Cu(II) complexes with salicylaldehyde S-methyl thiosemicarbazone
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Abstract
The thermal decomposition of copper(II) complexes with salicylaldehyde S-methylthiosemicarbazone of general formula Cu(HL)X·nH2O (X=Py+NO3, NCS, 0.5SO4) and [Cu(L)NH3]·H2O was investigated in air atmosphere in the interval from room temperature to 1000°C. Decomposition of the complexes occurred in several successive endothermic and exothermic processes, and the residue was in all cases CuO.
Keywords
Thermal Decomposition Pyrazole Endothermic Effect Exothermic Effect SalicylaldehydeZusammenfassung
In Luft wurde im Temperaturbereich von Raumtemperatur bis 1000°C die thermische Zersetzung von Kupfer(II)-komplexen mit Salizylaldehyd S-Methylthiosemikarbazon der allgemeinen Formel Cu(HL)X·nH2O (X=Py+NO3, NCS, 0.5SO4) und [Cu(L)NH3]·H2O untersucht. Die Zersetzung der Komplexe erfolgt in verschiedenen nacheinanderfolgenden endothermen und exothermen Prozessen, der Rückstand war in allen Fällen CuO.
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