Zobrazeno 1 - 10
of 23
pro vyhledávání: '"Hisao Aoyagi"'
Autor:
Hiroko Kaneko, Akira Negishi, Tomohiko Okugaki, Chizuko Nishihara, Teruo Hinoue, Asuka Yoshizumi, Megumi Kasuno, Sorin Kihara, Munetaka Oyama, Yoshihiro Kitatsuji, Hisao Aoyagi
Publikováno v:
Review of Polarography. 52:41-61
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::92c62c85b41584529612632616cf706b
https://doi.org/10.5189/revpolarography.52.41
https://doi.org/10.5189/revpolarography.52.41
Publikováno v:
Analytica Chimica Acta. 538:283-289
Redox behavior of Np(III)–Np(VI) ions in aqueous perchloric, nitric and sulphuric acid solutions was elucidated by using column electrodes connected in series in a flow system (multi-step column electrode system). Using a glassy carbon fiber workin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f78e0267e54cb00a905e233be9277369
https://doi.org/10.1016/j.aca.2005.02.035
https://doi.org/10.1016/j.aca.2005.02.035
Autor:
Takaumi Kimura, Hirosfai Kudo, Sorin Kihara, Yoshihiro Kitatsuji, Zenko Yoshida, Hisao Aoyagi
Publikováno v:
Journal of Nuclear Science and Technology. 39:259-262
Controlled-potential electrolysis (CPE) method for the transfer of an ion at the interface of two immiscible electrolyte solutions has been developed. The CPE method was applied to the transfer of actinide ions such as UO22+ and Am3+ between aqueous
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::812eb66688c69eceef5f866b9fdc34c1
https://doi.org/10.1080/00223131.2002.10875457
https://doi.org/10.1080/00223131.2002.10875457
Publikováno v:
Analytica Chimica Acta. 452:149-161
A method to determine the standard Gibbs free energy for the transfer, ΔG°tr, of a highly hydrophilic metal ion from an aqueous solution, W, in the presence of high concentration of H+ to an organic solution, O, was proposed based on the theoretica
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0a07e1e1dafe1ecc972dca0fb670921b
https://doi.org/10.1016/s0003-2670(01)01436-2
https://doi.org/10.1016/s0003-2670(01)01436-2
Autor:
Hisao Aoyagi, Kenkichi Ishigure, Takaumi Kimura, Yoshiharu Kato, Yosuke Katsumura, Ryuji Nagaishi, Zenko Yoshida
Publikováno v:
Journal of Photochemistry and Photobiology A: Chemistry. 146:157-161
Photoreduction of uranyl(VI) ion (UO22+) in acid solutions has been studied with a steady-state and time-resolved exciting light, where methanol (MeOH), ethanol (EtOH) and iso-propanol (iso-PrOH) were used as quenchers (RCH2OH) and HClO4, H2SO4 and H
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0198155ec22983e92379d896b042040c
https://doi.org/10.1016/s1010-6030(01)00609-8
https://doi.org/10.1016/s1010-6030(01)00609-8
Autor:
Zenko Yoshida, Yoshihiro Kitatsuji, Hisao Aoyagi, Kohji Maeda, Yumi Yoshida, Sorin Kihara, Osamu Shirai
Publikováno v:
Pure and Applied Chemistry. 71:1771-1807
Standard redox potentials, E 0s, and redox processes of U, Np and Pu ions in acidic aqueous solutions are reviewed and evaluated critically. The E 0sof reversible redox processes, MO2 2+/MO2 + and M4+/M3+ (M: U, Np or Pu) adopted are those proposed m
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1da0bd9b196f7ee60c82f11ef194c308
https://doi.org/10.1351/pac199971091771
https://doi.org/10.1351/pac199971091771
Publikováno v:
Analytica Chimica Acta. 387:181-187
Plutonium(III)-ion selective electrode consisting of phosphine oxides such as bis-(diphenylphosphoryl)-methane as an ionophore was developed. Fundamental data, which were utilized for designing the electrode, on the ion transfer of Pu3+ across aqueou
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e12a2d1e2c5d184084537db02951b5ba
https://doi.org/10.1016/s0003-2670(99)00121-x
https://doi.org/10.1016/s0003-2670(99)00121-x
Publikováno v:
Analytical Sciences. 14:67-70
The ion transfer of UO22+ ion across an aqueous(w)/nitrobenzene(NB) interface was investigated by ion-transfer polarography using an aqueous electrolyte dropping electrode. It was found that the transfer of UO22+ from w to NB was facilitated by bis(d
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::24b0cc5b683936adc135c0a6518e1e33
https://doi.org/10.2116/analsci.14.67
https://doi.org/10.2116/analsci.14.67
Autor:
Kenkichi Ishigure, Hisao Aoyagi, Yosuke Katsumura, Takaumi Kimura, Ryuji Nagaishi, Zenko Yoshida
Publikováno v:
Journal of Photochemistry and Photobiology A: Chemistry. 96:45-50
Photoreduction of UO22+ with ethanol (EtOH) in H2SO4 solutions has been studied by an electrochemical quantitative analysis of UIV formed as a final product. The quantum yield f(UIV) of UIV increased rapidly at [EtOH] up to 0.5 mol dm−3 and then re
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ff6c92c4fff42a83f444b393c594335b
https://doi.org/10.1016/1010-6030(95)04272-5
https://doi.org/10.1016/1010-6030(95)04272-5
Publikováno v:
Journal of Alloys and Compounds. :324-327
Transfer of U, Np, and Pu ions across the interface between aqueous and 1,2-dichloroethane phases, which was facilitated by bidentate phosphine oxide, was studied by ion transfer polarography using an aqueous electrolyte dropping electrode. The ionic
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3365d04106602425d1db38b3351cec50
https://doi.org/10.1016/0925-8388(94)90923-7
https://doi.org/10.1016/0925-8388(94)90923-7