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Thermogravimetric study of the dehydration reaction of LiCl·H2O

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Abstract

The dehydration of LiCl·H2O was studied under inert helium atmosphere by DTA/TG for different heating rates. The dehydration of LiCl·H2O proceeds through a two step reaction between 99–110 and 160–186°C, respectively. It leads to the formation of LiCl·0.5H2O as intermediate compound. The proposed mechanism is:

and

Based on the temperature peak of the DTA signals the activation energies of the two reactions were determined to be 240 kJ mol−1 (step 1) and 137 kJ mol−1 (step 2), respectively.

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  1. Karl-Winnacker-Institut der Dechema e.V., Theodor-Heuss Allee 25, 60486, Frankfurt am Main, Germany

    P. J. Masset

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  1. P. J. Masset
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Correspondence to P. J. Masset.

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Masset, P.J. Thermogravimetric study of the dehydration reaction of LiCl·H2O. J Therm Anal Calorim 96, 439–441 (2009). https://doi.org/10.1007/s10973-008-9399-y

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  • DOI: https://doi.org/10.1007/s10973-008-9399-y

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