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Report No.

Syntheses and thermal analyses of curium trichloride

Hayashi, Hirokazu ; Takano, Masahide ; Otobe, Haruyoshi ; Koyama, Tadafumi*

Curium trichloride was synthesized by the solid state reaction of curium nitride with cadmium chloride heated from room temperature to 748K in a dynamic vacuum. The product was hexagonal $$^{244}$$CmCl$$_3$$, of which lattice parameters were determined to be a= 0.7385$$pm$$0.0005 and c= 0.4201$$pm$$0.0005 nm. The melting temperature of the $$^{244}$$CmCl$$_3$$ sample was determined to be 970$$pm$$3 K by differential thermal analyses using a gold crucible. These values are close to those reported in literatures. The results show that mg-scale CmCl$$_3$$ samples for thermochemical measurements were prepared from the purified oxide sample without the use of corrosive reagents.



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Category:Chemistry, Analytical



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