Dehydration process of rhodium sulfate crystalline hydrate |
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| Authors: | V A Logvinenko A V Belyaev S N Vorob’eva |
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| Institution: | 1. Nikolaev Institute of Inorganic Chemistry, Siberian Branch of the Russian Academy of Sciences, Ac. Lavrentyev Ave. 3, 630090, Novosibirsk, Russia
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| Abstract: | The dehydration of the rhodium salt Rh(H2O)6]2(SO4)3·5H2O was studied by means of thermogravimetry in the temperature range 300–460 K. The kinetics of dehydration (the ligand substitution process) was studied under non-isothermal conditions. A model-free method was used to calculate the activation energy and analyze the process steps; a non-linear regression method was applied to calculate the kinetic parameters of the multistage dehydration reactions. The features of the dehydration kinetics could be explained by the condensation process. |
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