Praseodymium Chemistry-Heated Diffused Permeation is used to treat K 7 MgBW 11 O 39 for the first time.ICP,IR,XRD,TG-DTA,have been used to characterize K 7 MgBW 11 O 39 ·15H 2 O and treated sample,indicating that...Praseodymium Chemistry-Heated Diffused Permeation is used to treat K 7 MgBW 11 O 39 for the first time.ICP,IR,XRD,TG-DTA,have been used to characterize K 7 MgBW 11 O 39 ·15H 2 O and treated sample,indicating that Pr can be permeated into the body of this sample.The results of AC impedance s pectra and DC four-probe show that the value of conductivity is 10 4 times higher than that of sample befo re permeation at room temperature.At the range of 301～576K,the conductivity of permeated sample almost keep constant a nd its thermal stability improved mo re than 150K,which imply that this mate rial is promising.展开更多
Eleven novel rare earth complexes[RE(HPMαFP)2Pen(NO3)2]NO3((HPMαFP)2 Pen:N,N’ -bis[(1-phenyl-3-methyl-5-oxo-4-pyrazolinyl )α-furylmethylidyne]-o-phenylenediimine;RE =La,Pr,Nd,Sm,Eu,Tb,Dy,Ho,Er,Yb,Y)have been synth...Eleven novel rare earth complexes[RE(HPMαFP)2Pen(NO3)2]NO3((HPMαFP)2 Pen:N,N’ -bis[(1-phenyl-3-methyl-5-oxo-4-pyrazolinyl )α-furylmethylidyne]-o-phenylenediimine;RE =La,Pr,Nd,Sm,Eu,Tb,Dy,Ho,Er,Yb,Y)have been synthesized.They were characterized by IR,UV-visible,1H NMR,13 C NMR,fluorescence,elemental analysis and molar conductance.The resu lts show that the bis-Schiff base ligand is quadridentate and the rare earth i ons are eight-coordinated in the complexes.The antibacterial ex periment indicated that they have hi gh antibacterial activities against S.aureus,B.subtillis,E.coli,E.carotovora and C.flaccumfaciens.展开更多
A new amino-acid Schiff base, 1-phenyl-3-methyl-4-(2-thenoyl) pyrazolone-5-β-alanine (HL) and its ten rare earth complexes have been synthesized. On the basis of elemental analysis and molar conductance, the general ...A new amino-acid Schiff base, 1-phenyl-3-methyl-4-(2-thenoyl) pyrazolone-5-β-alanine (HL) and its ten rare earth complexes have been synthesized. On the basis of elemental analysis and molar conductance, the general formula of the complexes, ·nH2O (RE=La, Nd, Eu, Tb, Y, n=2; RE= Pr, Sm, n=1; RE= Dy, Er, Yb, n=3), is given. They were characterized by IR, UV-visible, 1H NMR, 13C NMR and fluorescence. The results show that the rare earth ions exhibit coordination of eight in the complexes.The antibacterial experiments indicate that they have high antibacterial activities against S. Aureus, B. Subtillis, E. Coli, E. Carotovora and C. Flaccumfaciens.展开更多
文摘Praseodymium Chemistry-Heated Diffused Permeation is used to treat K 7 MgBW 11 O 39 for the first time.ICP,IR,XRD,TG-DTA,have been used to characterize K 7 MgBW 11 O 39 ·15H 2 O and treated sample,indicating that Pr can be permeated into the body of this sample.The results of AC impedance s pectra and DC four-probe show that the value of conductivity is 10 4 times higher than that of sample befo re permeation at room temperature.At the range of 301～576K,the conductivity of permeated sample almost keep constant a nd its thermal stability improved mo re than 150K,which imply that this mate rial is promising.
文摘Eleven novel rare earth complexes[RE(HPMαFP)2Pen(NO3)2]NO3((HPMαFP)2 Pen:N,N’ -bis[(1-phenyl-3-methyl-5-oxo-4-pyrazolinyl )α-furylmethylidyne]-o-phenylenediimine;RE =La,Pr,Nd,Sm,Eu,Tb,Dy,Ho,Er,Yb,Y)have been synthesized.They were characterized by IR,UV-visible,1H NMR,13 C NMR,fluorescence,elemental analysis and molar conductance.The resu lts show that the bis-Schiff base ligand is quadridentate and the rare earth i ons are eight-coordinated in the complexes.The antibacterial ex periment indicated that they have hi gh antibacterial activities against S.aureus,B.subtillis,E.coli,E.carotovora and C.flaccumfaciens.
文摘A new amino-acid Schiff base, 1-phenyl-3-methyl-4-(2-thenoyl) pyrazolone-5-β-alanine (HL) and its ten rare earth complexes have been synthesized. On the basis of elemental analysis and molar conductance, the general formula of the complexes, ·nH2O (RE=La, Nd, Eu, Tb, Y, n=2; RE= Pr, Sm, n=1; RE= Dy, Er, Yb, n=3), is given. They were characterized by IR, UV-visible, 1H NMR, 13C NMR and fluorescence. The results show that the rare earth ions exhibit coordination of eight in the complexes.The antibacterial experiments indicate that they have high antibacterial activities against S. Aureus, B. Subtillis, E. Coli, E. Carotovora and C. Flaccumfaciens.
