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Structural and thermodynamic properties of Tutton salt K2Zn(SO4)2·6H2O

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Abstract

The structural and thermodynamic properties of Tutton salt K2Zn(SO4)2·6H2O were investigated using thermogravimetric analysis, differential scanning calorimetry, and nuclear magnetic resonance. The first mass loss of H2O occurred around 353 K, which was interpreted as the onset of partial thermal decomposition, and the mass loss continues from T d to 440 K. The temperature dependences of the spin–lattice relaxation time for the 1H and 39K nuclei were measured in the laboratory frame and in the rotating frame. The results were compared with those obtained for the series of compounds, i.e., M2Zn(SO4)2·6H2O (M = Na, Rb, and Cs), that were previously reported.

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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 (2015R1A1A3A04001077).

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Authors and Affiliations

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

    Ae Ran Lim

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

    Ae Ran Lim

  3. Korea Basic Science Institute Seoul Western Center, Seoul, 120-140, South Korea

    Sun Ha Kim

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  1. Ae Ran Lim
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Correspondence to Ae Ran Lim.

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Lim, A.R., Kim, S.H. Structural and thermodynamic properties of Tutton salt K2Zn(SO4)2·6H2O. J Therm Anal Calorim 123, 371–376 (2016). https://doi.org/10.1007/s10973-015-4865-9

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  • DOI: https://doi.org/10.1007/s10973-015-4865-9

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