Lanthanide, Yttrium, and Scandium Trihalides: Preparation of Anhydrous Materials and Solution Thermochemistry

Add time:09/26/2019    Source:sciencedirect.com

Publisher SummaryThe primary aim of this review is to collect together information on the solution thermochemistry of the trihalides of the lanthanides1, yttrium, and scandium. There is a meager amount of published work relating to nonaqueous solvents, rather than more relating to aqueous solutions. One shall deal with both types of solvent, in both cases, concentrating on enthalpies of solution and on solubilities. The determination of many thermodynamic solution properties of these trihalides, especially enthalpies of solution, requires the use of anhydrous materials. These are by no means always readily available for this group of compounds. Therefore, the discussion of thermochemical results with a section on preparative methods are preceded, in which one deal summarily with many of the relevant papers published since Taylor's extensively referenced review, published in 1962. However, the radioactive nature of these compounds has prevented any calorimetric or solubility investigations so far, and they make only one fleeting appearance in this review

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