On features of deoxidization of CsI melt with zirconium getter
FUNCTIONAL MATERIALS(2016)
摘要
Interaction of Zr getter with oxygen-containing admixtures being most abundant in molten alkali metal iodides (deoxidization) is studied. Reaction of Zr with oxide ions (in form of the corresponding alkali metal oxide) is characterized by very negative enthalpy and Gibbs energy values that make the deoxidization process very favorable. Practically the interaction leads to decrease of 02-concentration by a factor of ca. 6. Interaction of Zr with carbonate ions is shown both by the calculations and by experiment erg lead to the formation of carbon particles (suspension) in the melts that causes certain limitations of the getter treatment for the purification of practically used growth iodide melts.
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关键词
cesium iodide,melt,deoxidization,zirconium
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