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無機離子交換劑之合成與其在原子能之應用 第二報 矽酸鋯及氫氣化鈰對金屬離子分配係數之研究

Synthesis of Inorganic Ion Exchangers and Their Uses in Atomic Energy II. The Distribution Coefficients of Metal Ions For Inorganic Ion Exchangers of Zirconium Silicate and Hydrous Ceric Oxide

摘要


本研究係依據去年之研究結果,從14種無機離子交換劑中選出新發現及性質優良之兩種交換劑,矽酸鋯及氫氧化鈰;又按金屬之原子價選出20多種金屬鹽類作該兩種交換劑對此等金屬離子交換封配係數之測定,以觀察此兩種交換劑作實際應用金屬離子分離之可能性。本研究分配係數測定之分析係完全採用配位滴定法(chelatometric titration method),並根據試驗結果使用矽酸鋯交換劑作Th與Sm之分離及使用氫氧化鈰交換劑作Ca與Sr之分離,結果十分良好。

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並列摘要


The distribution coefficients of metal ions for two inorganic ion exchangers of zirconium silicate and hydrous ceric oxide which were selected from 14 synthetic ion exchangers were investigated. The possibilities of using these two ion exchangers to exchange metallic ions were predicted from the distribution coefficients. Chelatometric titration method was used for measuring the distribution coefficients. A method has been developed for separating thorium from samarium and calcium from strontium with zirconium silicate and hydrous eerie oxide as ion exchanger, respectively. Both gave excellent results.

並列關鍵字

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