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N,N,N’,N’-四丁基丁二酰胺萃取Tb(Ⅲ)的研究

Study on the Extraction of Terbium(Ⅲ) by Novel Extractant N,N,N’,N’-tetrabutsuccinylamide

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【Author】 TIAN Xiao-qiang~1,JI Ke-jian~a,YUAN Mei-long~b,SUN Guo-xin~(b)(~aInstitute 53,Ordnance Industry Group of China,Ji’nan 250031,China;~bInstitute of Chemistry and Chemical Engineering,Ji’nan University,Ji’nan 250022,China)

【机构】中国兵器工业集团第五三研究所；济南大学化学化工学院；济南大学化学化工学院山东济南250031；山东济南250031；山东济南250022；

【Abstract】 The N,N,N’,N’-tetrabutsuccinylamide（TBSA） was synthesized and purified.The extractability of this diamide for Terbium（Ⅲ） has been studied.The effects of concentrations of nitric acid,extractant,and LiNO₃ as well as the temperature influence on the extraction distribution ratios were investgated in detail.The apparent equilibrium constant of extraction has been determined to be（0.77±0.02）L⁶/mol⁶at 298K.The enthalpy of the extraction was -25.64kJ·mol^-1.The composition of the extracted species was found to be Tb（NO₃）₃·3TBSA,which was characterized by IR spectromery.更多还原

【关键词】 N,N,N,’N’-四丁基丁二酰胺；溶剂萃取； Tb(Ⅲ)；
【Key words】 N,N,N’,N’-tetrabutsuccinylamide,solvent extraction； Terbium(Ⅲ)；

【基金】国家自然科学基金(20301008)资助项目;山东省中青年学术骨干基金(Q031301)资助项目

【文献出处】化学研究与应用 ,Chemical Research and Application , 编辑部邮箱 ,2005年06期

【分类号】O658.2
【被引频次】6
【下载频次】66

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