Resonance Light Scattering(RLS) Spectra method is used to study the system of CPC and K2HgI4.In a B-R buffer solution which pH was 2.5,the intensity of CPC’s RLS increased greatly with the formation of ion-associatio...Resonance Light Scattering(RLS) Spectra method is used to study the system of CPC and K2HgI4.In a B-R buffer solution which pH was 2.5,the intensity of CPC’s RLS increased greatly with the formation of ion-association.There was the peak at 497nm which is linear relation to the concentration of CPC.According to that,we built a RLS method of determination of CPC.This method is simple,rapid and sensitive.It was used to determine CPC in the synthetic water samples.The results were satisfactory.展开更多
Funcational multi-wall carbon nanotubes(MWNT)supported platinum and ruthenium electrocatalyst Pt-Ru/ MWNT with high dispersion were prepared by a modified electro-deposition method.The structures,compositions and vale...Funcational multi-wall carbon nanotubes(MWNT)supported platinum and ruthenium electrocatalyst Pt-Ru/ MWNT with high dispersion were prepared by a modified electro-deposition method.The structures,compositions and valences of the catalysts were measured by Transmission Electron Microscope(TEM)and Infrared spectrum(FTIR).The methanol electro-oxidation activity and stabilization was measured by CV,and a better electro-oxidation activity was gain.The results show that oxygen containing groups were produced on the surface of MWNT to facilitate the Pt and Ru nanoparticle absorption,the diameter of particle is 5～15nm.展开更多
The fluorenscence spectra of the three azo compounds have been tested.Geometric configurations of three azo compounds have been optimized by semiempirical method of quantum chemistry.Their fluorenscence spectra have a...The fluorenscence spectra of the three azo compounds have been tested.Geometric configurations of three azo compounds have been optimized by semiempirical method of quantum chemistry.Their fluorenscence spectra have also been calculated by RHF/CIS.The results of calculation are essentially consistent with experimental values.展开更多
文摘Resonance Light Scattering(RLS) Spectra method is used to study the system of CPC and K2HgI4.In a B-R buffer solution which pH was 2.5,the intensity of CPC’s RLS increased greatly with the formation of ion-association.There was the peak at 497nm which is linear relation to the concentration of CPC.According to that,we built a RLS method of determination of CPC.This method is simple,rapid and sensitive.It was used to determine CPC in the synthetic water samples.The results were satisfactory.
文摘Funcational multi-wall carbon nanotubes(MWNT)supported platinum and ruthenium electrocatalyst Pt-Ru/ MWNT with high dispersion were prepared by a modified electro-deposition method.The structures,compositions and valences of the catalysts were measured by Transmission Electron Microscope(TEM)and Infrared spectrum(FTIR).The methanol electro-oxidation activity and stabilization was measured by CV,and a better electro-oxidation activity was gain.The results show that oxygen containing groups were produced on the surface of MWNT to facilitate the Pt and Ru nanoparticle absorption,the diameter of particle is 5～15nm.
文摘The fluorenscence spectra of the three azo compounds have been tested.Geometric configurations of three azo compounds have been optimized by semiempirical method of quantum chemistry.Their fluorenscence spectra have also been calculated by RHF/CIS.The results of calculation are essentially consistent with experimental values.
