The synergistic extraction of lanthanide ions(La3+,Pr3+,Nd3+,Gd3+,Dy3+)by Bis（1′-phenyl-3′-mcthyl-5′-pyrazolonc-4′-yl）Phthaldionc（H2BPMOPP or H2A）with 8-Hydroxyquinolinc（HOx）from nitric acid aolution was stu...The synergistic extraction of lanthanide ions(La3+,Pr3+,Nd3+,Gd3+,Dy3+)by Bis（1′-phenyl-3′-mcthyl-5′-pyrazolonc-4′-yl）Phthaldionc（H2BPMOPP or H2A）with 8-Hydroxyquinolinc（HOx）from nitric acid aolution was studied.The synergistic coefficient for La3+ was 8.1.The composition of the extracted compound was shown to be LaA·HA·HOx.The pH1/2 values for La3+,Pr3+,Nd3+,Gd3+ and Dy3+ were 4.20,3.73,3.49,3.30 and 3.01 respectively.The extraction equilibrium constants,enthalyp change and entropy change of the reaction also were calculated.展开更多
The synergistic exrtraction of lanthanide ions(La3+,Pr3+,Nd3+ and Gd3+)by bis （1′-phenyl-3′-methyl-5′-pyrazolone-4′-yl）phthaldione（H2BPMOPP or H2A）with 1-phenyl-3-methyl-4-benzoyl-5-pyrazolone（PMBP）from nitr...The synergistic exrtraction of lanthanide ions(La3+,Pr3+,Nd3+ and Gd3+)by bis （1′-phenyl-3′-methyl-5′-pyrazolone-4′-yl）phthaldione（H2BPMOPP or H2A）with 1-phenyl-3-methyl-4-benzoyl-5-pyrazolone（PMBP）from nitric acid solution was studied.The synergistic coefficient for La3+ is 5.21.The composition of the extracted compound was shown to be LaA·HA·PMBP.The pH1/2values for La3+,Pr3+,Nd3+,Gd3+ and Dy3+ are 4.16,3.79,3.56,3.29 and 2.99,respectively.The extraction equilibrium constants,enthalpy change and entropy change of the reaction were also calculated.展开更多
Ths synergistic extraction of lanthanide ions(La 3+ ,Pr 3+ ,Nd 3+ ,Gd 3+ ,Dy 3+ ) by Bis(1′ phenyl 3′ methyl 5′ Pyrazolone 4′ yl)butanedione [1,4](H 2BPMPBD or H 2A) with Diantipyrinylmethane(DAM) form nitric acid...Ths synergistic extraction of lanthanide ions(La 3+ ,Pr 3+ ,Nd 3+ ,Gd 3+ ,Dy 3+ ) by Bis(1′ phenyl 3′ methyl 5′ Pyrazolone 4′ yl)butanedione [1,4](H 2BPMPBD or H 2A) with Diantipyrinylmethane(DAM) form nitric acid solution has been studied.The synergistic cofficient for La 3+ was 5.36.The composition of the extracted compound was shown to be LaA·HA·DAM.The pH 1/2 values for La 3+ ,Pr 3+ ,Nd 3+ ,Gd 3+ and Dy 3+ were 4.43,4.06,3.79, 3.61 and 3.30 respectively.The extraction equilibrium constants,enthalpy change and entropy change of the reaction also have been calculated.展开更多
文摘The synergistic extraction of lanthanide ions(La3+,Pr3+,Nd3+,Gd3+,Dy3+)by Bis（1′-phenyl-3′-mcthyl-5′-pyrazolonc-4′-yl）Phthaldionc（H2BPMOPP or H2A）with 8-Hydroxyquinolinc（HOx）from nitric acid aolution was studied.The synergistic coefficient for La3+ was 8.1.The composition of the extracted compound was shown to be LaA·HA·HOx.The pH1/2 values for La3+,Pr3+,Nd3+,Gd3+ and Dy3+ were 4.20,3.73,3.49,3.30 and 3.01 respectively.The extraction equilibrium constants,enthalyp change and entropy change of the reaction also were calculated.
文摘The synergistic exrtraction of lanthanide ions(La3+,Pr3+,Nd3+ and Gd3+)by bis （1′-phenyl-3′-methyl-5′-pyrazolone-4′-yl）phthaldione（H2BPMOPP or H2A）with 1-phenyl-3-methyl-4-benzoyl-5-pyrazolone（PMBP）from nitric acid solution was studied.The synergistic coefficient for La3+ is 5.21.The composition of the extracted compound was shown to be LaA·HA·PMBP.The pH1/2values for La3+,Pr3+,Nd3+,Gd3+ and Dy3+ are 4.16,3.79,3.56,3.29 and 2.99,respectively.The extraction equilibrium constants,enthalpy change and entropy change of the reaction were also calculated.
文摘Ths synergistic extraction of lanthanide ions(La 3+ ,Pr 3+ ,Nd 3+ ,Gd 3+ ,Dy 3+ ) by Bis(1′ phenyl 3′ methyl 5′ Pyrazolone 4′ yl)butanedione [1,4](H 2BPMPBD or H 2A) with Diantipyrinylmethane(DAM) form nitric acid solution has been studied.The synergistic cofficient for La 3+ was 5.36.The composition of the extracted compound was shown to be LaA·HA·DAM.The pH 1/2 values for La 3+ ,Pr 3+ ,Nd 3+ ,Gd 3+ and Dy 3+ were 4.43,4.06,3.79, 3.61 and 3.30 respectively.The extraction equilibrium constants,enthalpy change and entropy change of the reaction also have been calculated.
