Abstract
The action of a CO 2 laser on a mixture of gases (plutonium hexafluorides and sulphur) has been studied. For the analysis a gaseous addition of sulphur hexafluoride has been used. The additive absorbs laser light, is inert to the plutonium hexafluoride and undergoes no chemical changes under laser radiation (10.6 μm). Dependence of the rate of plutonium hexafluoride decomposition on the laser beam intensity and on the partial pressure of sulphur hexafluoride has been investigated. The dependence of the rate of plutonium hexafluoride decomposition on the radiation intensity within the laser power range of 30–60 W is of a linear character and in the strong absorption range it depends only insignificantly on the sulphur hexafluoride pressure. The gas temperature in the tray has been estimated at 500 K on the beam input. The reaction mechanism has been interpreted. The resultant powder obtained after the plutonium hexafluoride decomposition has been identified as plutonium tetrafluoride.
Published Version
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