Abstract
A thermodynamic consistency test (TCT) was developed for data of aqueous unsaturated electrolyte solutions at 25 °C by using the Gibbs-Duhem equation (GDE), standard referential data and estimates of error propagation. The consistency criteria include a randomness analysis of the errors and maximum deviation limits calculated with discrete forms of the GDE, where the zero equality of the theoretical equation was replaced by a free variable that represents the deviation from this equation. The results of the application of this TCT to 3 groups of data reported in the scientific literature for the LiCl + H2O system at 25 °C showed that two of them are "mostly consistent" and one of them is "totally consistent", according to the criteria of thermodynamic consistency presented in this work.
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