The Thermal Decomposition of Magnesium(II) Complexes with Acetic and Halogenacetic Acids |
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| Authors: | S. C. Mojumdar E. Jóna M. Melnik |
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| Affiliation: | (1) Institute of Inorganic Chemistry, Slovak Academy of Sciences, Dubravska Cesta 9, SK-842 36 Bratislava, Slovakia;(2) Department of Chemistry, University of Trenčin, SK-02032 Púchov, Slovakia;(3) Department of Inorganic Chemistry, Slovak University of Technology, Radlinskeho 9, SK-812 37 Bratislava, Slovakia |
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| Abstract: | Thermogravimetry (TG), differential thermal analysis (DTA) and other analytical methods have been applied to the investigation of the thermal behaviour and structure of the compounds Mg(Ac)2 × 2H2 O(I), Mg(ClAc)2 ×2H2 O(II) and Mg(Cl2 Ac)2 ×H2 O(III) (Ac =CH3 COO− , ClAc =ClCH2COO− , Cl 2 Ac =Cl2 CHCOO− ). The solid phased intermediate and resultant products of thermolysis had been identified. The possible scheme of destruction of the complexes is suggested. The halogenacetato magnesium complexes (II–III) are thermally more stable than the acetatomagnesium complex I. The final products of the decomposition of compounds were MgO. Infrared (IR) data suggest to a unidentate coordination of carboxylate ions to magnesium ions in complexes I–III. This revised version was published online in August 2006 with corrections to the Cover Date. |
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| Keywords: | acetic and halogenacetic acids DTA IR Mg TG |
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