Thermal properties of zinc(II) chloroacetate and its complexes with nicotinamide and caffeine期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

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Thermal properties of zinc(II) chloroacetate and its complexes with nicotinamide and caffeine

Authors:	V Zeleňák K Györyová J Simon

Institution:	(1) Department of Inorganic Chemistry, P. J. afárik University, Moyzesova 11, 041 54 Koice, Slovak Republic;(2) Department of Inorganic Chemistry, Freie Universität Berlin, Germany

Abstract:	Thermal decompositions of zinc(II) chloroacetate and its complexes with nicotinamide and caffeine were studied by means of TG/DTG, DTA, IR and mass spectroscopy. Thermal analysis showed that presence of the halogen significantly influenced the thermal decomposition. Decompositions may be characterized as two step reactions (release of nicotinamide or caffeine followed by pyrolysis of the carboxylate anion). Zinc chloride, CO, CO₂, CH₂O, ClCH₂CHO were found in gaseous products of the thermal decomposition.

Keywords:	chloroacetate complexes thermal stability zinc
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