Properties and thermal decomposition in air atmosphere of complexes of Co(II), Ni(II) and Cu(II) with 2,6-dichlorobenzoic acid

The conditions for the formation of Co(II), Ni(II) and Cu(II) 2,6-dichlorobenzoates were studied and their quantitative compositions and solubilities in water at 293 K were determined. The IR spectra of the prepared complexes were recorded and their thermal decompositions in air were investigated. D...

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Bibliographic Details
Published in:Thermochimica acta 1994-08, Vol.242, p.131-140
Main Authors: Brzyska, W., Wołodkiewicz, W.
Format: Article
Language:English
Subjects:
Chemical thermodynamics
Chemistry
Cobalt compound
Copper compound
Decomposition
Dehydration
Dichlorobenzoate
DTA
DTG
Elements, mineral and organic compounds
Exact sciences and technology
General and physical chemistry
IRS
Nickel compound
Thermodynamic properties
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Summary:The conditions for the formation of Co(II), Ni(II) and Cu(II) 2,6-dichlorobenzoates were studied and their quantitative compositions and solubilities in water at 293 K were determined. The IR spectra of the prepared complexes were recorded and their thermal decompositions in air were investigated. During heating, the hydrated complexes M(C 7H 3O 2Cl 2) · nH 2O lose the molecules of water of crystallization in two steps, before decomposing to the oxides (Co, Ni) or gaseous products (Cu).
ISSN:0040-6031
1872-762X
DOI:10.1016/0040-6031(94)85015-1