Decomposition of Uranyl Fluoride between 700° and 950°C

Abstract
The thermal decomposition of uranyl fluoride was studied by a thermogravimetrictechnique between 700° and 950°C. At temperatures below 900°C, the main decomposition reaction is In an atmosphere of dry helium, the rate of decomposition was first order with respect to uranyl fluoride. The rate constants, determined with a constant helium flow rate of 270 cc (STP)/min, were . Sublimation of uranyl fluoride, as a parallel, first order process, occurred at temperatures above 825°C.

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