N,N,N’,N’-tetra-n-butylurea was synthesized by the means of “nonphosgene”.The extraction properties of dioxouranium(Ⅱ)from nitric acid solution by N,N,N’,N’-tetra-n-butylurea(TBU)were studied.The extraction law...N,N,N’,N’-tetra-n-butylurea was synthesized by the means of “nonphosgene”.The extraction properties of dioxouranium(Ⅱ)from nitric acid solution by N,N,N’,N’-tetra-n-butylurea(TBU)were studied.The extraction laws of dioxouranium(Ⅱ)with TBU were similar to that with tributyl-phosphate(TBP).Its extracting ability was bitter lower than that of TBP.In the all experiment condition,the third phase doesn’t appear.Its solvation number to dioxouranium was 2.展开更多
The synthesis and characterization of two dioxouramium(Ⅵ) complexes with N alkyllactam were reported.All the yellowish powder of these complexes had constant stoichiometry UO 2(NO 3) 2·L 2(L=(CH 2) 11 CONC 4H 9,...The synthesis and characterization of two dioxouramium(Ⅵ) complexes with N alkyllactam were reported.All the yellowish powder of these complexes had constant stoichiometry UO 2(NO 3) 2·L 2(L=(CH 2) 11 CONC 4H 9,(CH 2) 3CONC 8H 17 ).All of complexes were characterized by element analysis and IR spectra.展开更多
The authors studied the interaction of dioxouranium （VI） UO2^2＋ and thorium Th^4＋ ions with ATP （5＇-adenosine 5＇-triphosphate） and obtained a complex of adenosine with uranium UO2^2＋ and thorium Th^4＋ ions a...The authors studied the interaction of dioxouranium （VI） UO2^2＋ and thorium Th^4＋ ions with ATP （5＇-adenosine 5＇-triphosphate） and obtained a complex of adenosine with uranium UO2^2＋ and thorium Th^4＋ ions and used X-ray method to explore these complexes.展开更多
文摘N,N,N’,N’-tetra-n-butylurea was synthesized by the means of “nonphosgene”.The extraction properties of dioxouranium(Ⅱ)from nitric acid solution by N,N,N’,N’-tetra-n-butylurea(TBU)were studied.The extraction laws of dioxouranium(Ⅱ)with TBU were similar to that with tributyl-phosphate(TBP).Its extracting ability was bitter lower than that of TBP.In the all experiment condition,the third phase doesn’t appear.Its solvation number to dioxouranium was 2.
文摘The synthesis and characterization of two dioxouramium(Ⅵ) complexes with N alkyllactam were reported.All the yellowish powder of these complexes had constant stoichiometry UO 2(NO 3) 2·L 2(L=(CH 2) 11 CONC 4H 9,(CH 2) 3CONC 8H 17 ).All of complexes were characterized by element analysis and IR spectra.
文摘The authors studied the interaction of dioxouranium （VI） UO2^2＋ and thorium Th^4＋ ions with ATP （5＇-adenosine 5＇-triphosphate） and obtained a complex of adenosine with uranium UO2^2＋ and thorium Th^4＋ ions and used X-ray method to explore these complexes.
