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Crystal growth and thermal properties of the Tutton salt Cs2Fe(SO4)2·6H2O single crystal

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Abstract

Thermal properties and phase transitions of the Tutton salt Cs2Fe(SO4)2·6H2O were investigated using thermogravimetric analysis, differential scanning calorimetry, and nuclear magnetic resonance (NMR). The first occurrence of mass loss is at approximately 321 K (=T d) and is interpreted as being the onset of partial thermal decomposition. Phase transitions were observed at 356 K (=T C1) and 450 K (=T C2). The temperature dependence of the NMR spectrum and spin–lattice relaxation time T 1 for the 133Cs nuclei abruptly changes near T C1. These changes are associated with changes in the geometry of the water and five SO4 oxygens around the Cs ions.

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Acknowledgements

This research was supported by the Basic Science Research Program through the National Research Foundation of Korea (NRF), funded by the Ministry of Education, Science and Technology (2012001763).

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Authors and Affiliations

  1. Department of Science Education, Jeonju University, Jeonju, 560-759, Korea

    Young Woon Park, Byung Kwon Park & Ae Ran Lim

  2. Department of Carbon Fusion Engineering, Jeonju University, Jeonju, 560-759, Korea

    Woo Young Kim & Ae Ran Lim

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  1. Woo Young Kim
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  2. Young Woon Park
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  3. Byung Kwon Park
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Correspondence to Ae Ran Lim.

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Kim, W.Y., Park, Y.W., Park, B.K. et al. Crystal growth and thermal properties of the Tutton salt Cs2Fe(SO4)2·6H2O single crystal. J Therm Anal Calorim 119, 239–243 (2015). https://doi.org/10.1007/s10973-014-4096-5

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  • DOI: https://doi.org/10.1007/s10973-014-4096-5

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