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Characterization and TG-MS studies of lactato and bipyridine-lactato complexes of Co(II) and Ni(II)

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Abstract

Two lactates and four new mixed ligand complexes with formulae Co(lact)2·2H2O, Ni(lact)2·3H2O, Co(4-bpy)(lact)2, Co(2,4'-bpy)2(lact)2, Ni(4-bpy)(lact)2·2H2O and Ni(2,4'-bpy)2(lact)2 (where 4-bpy=4,4'-bipyridine, 2,4'-bpy=2,4'-bipyridine, lact=CH3CH(OH)COO-) were isolated and investigated. The thermal behaviour of compounds was studied by thermal analysis (TG, DTG, DTA). In the case of hydrated complexes thermal decomposition starts with the release of water molecules. The compounds decompose at high temperature to metal(II) oxides in air. A coupled TG-MS system was used to analyse the principal volatile products of thermolysis and fragmentation processes of obtained complexes.

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Authors and Affiliations

  1. Institute of General and Ecological Chemistry, Technical University of Łódź, Łódź, Poland

    D. Czakis-Sulikowska, A. Malinowska & A. Łuczak

Authors
  1. D. Czakis-Sulikowska
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  2. A. Malinowska
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  3. A. Łuczak
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Czakis-Sulikowska, D., Malinowska, A. & Łuczak, A. Characterization and TG-MS studies of lactato and bipyridine-lactato complexes of Co(II) and Ni(II). Journal of Thermal Analysis and Calorimetry 78, 461–471 (2004). https://doi.org/10.1023/B:JTAN.0000046111.38978.4f

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  • DOI: https://doi.org/10.1023/B:JTAN.0000046111.38978.4f

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