Thermal Decomposition of Rare Earth Fluoride Hydrates

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Science  27 Mar 1959:
Vol. 129, Issue 3352, pp. 842
DOI: 10.1126/science.129.3352.842


A thermogravimetric study of the thermal decomposition of La, Nd, Sm, Gd, Dy, Er, and Y fluoride hydrates shows that minimum dehydration temperatures are from 315° to 405°C; conversion of the fluorides to oxyfluorides begins in the 600° to 690°C temperature range.