Thermal
decomposition study on nickel(ii) complexes of 1,2-(diimino-4’-antipyrinyl)ethane
with varying counter ions |
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| Authors: | N T Madhu P K Radhakrishnan W Linert |
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| Institution: | (1) Institute for Applied Synthetic Chemistry, Vienna University of Technology, Vienna, Austria, 1060, Getreidemarkt 9/163/AC;(2) School of Chemical Sciences, Mahatma Gandhi University, Kerala, India, Kottayam 686 560 |
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| Abstract: | The
phenomenological, kinetic and mechanistic aspects of the nitrate, chloride,
bromide and iodide complexes of nickel(II) with1,2-(diimino-4’-antipyrinyl)ethane
(GA) have been studied by TG and DTG techniques. The kinetic parameters like
activation energy, pre-exponential factor and entropy of activation were computed.
The rate controlling process in all stages of decomposition is random nucleation
with one nucleus on each particle (Mampel model). |
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| Keywords: | Coats– Redfern decomposition kinetics nickel(II) complexes |
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