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Thermal dehydrations

Calcium copper acetate hexahydrate and calcium cadmium acetate hexahydrate

  • Inorganic Compounds
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Abstract

The behaviour of thermal dehydrations of isomorphous complexes of calcium copper acetate hexahydrate, CaCu(CH3CO2)4·6H2O and calcium cadmium acetate hexahydrate, CaCd(CH3CO2)4· 6H2O was studied by means of thermal analyses and X-ray structural analysis. The enthalpy changes for the dehydration of CaCu(CH3CO2)4·6H2O and CaCd(CH3CO2)4·6H2O were 315±9.7 and 295±8.0 kJ mol−1, respectively. The DSC curves of the dehydrations indicated that the seemingly simple dehydrations are more complex than they appear at first sight. Apparent activation energies for the dehydrations of CaCu(CH3CO2)4·6H2O and CaCd(CH3CO2)4·6H2O were 85.7±7.4 and 87.9±12.5 kJ mol−1, respectively.

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Author notes

  1. Z. Zhong

    Present address: Zincair Powercorporation, 4440 Warrensville Center Road Suite N, 44128-2837, Cleveland, OH, USA

Authors and Affiliations

  1. Faculty of Science, Department of Environmental Science, Niigata University, 8050 Ikarashi-2, 950-21, Niigata, Japan

    Y. Masuda, K. Minagawa & W. Morita

  2. Department of Chemistry and Material Science & Engineering, The Ohio State University, 43210-1173, Columbus, OH, USA

    Z. Zhong & P. K. Gallagher

Authors
  1. Y. Masuda
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  2. K. Minagawa
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  3. W. Morita
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  4. Z. Zhong
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  5. P. K. Gallagher
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Additional information

The authors wish to express their thanks to Associate Professor Yasuhiko Yukawa of the Niigata University for the analysis of the X-ray-intensity data.

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Masuda, Y., Minagawa, K., Morita, W. et al. Thermal dehydrations. Journal of Thermal Analysis 49, 1221–1226 (1997). https://doi.org/10.1007/BF01983678

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  • DOI: https://doi.org/10.1007/BF01983678

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