Voltammetric Study on Ion Transfer of Uranium(VI) Ion between Aqueous and Nitrobenzene Phases in the Presence of Bis(diphenylphosphoryl)methane

Kitatsuji, Yoshihiro; Aoyagi, Hisao; Yoshida, Zenko; Kihara, Sorin

doi:10.2116/analsci.14.67

Cited by 8 publications

(3 citation statements)

References 24 publications

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“…Other cations can be transferred from water to solvents with the assistance of a complexation reaction, e.g. Ag + [7,8], Cu 2+ and even UO 2þ 2 [9]. Anion transfer also can be assisted by association with lipophilic cationic species, for example fluoride which binds to the tetraphenylantimony cation [10], or facilitated through hydrogen bonding with ionophores as published for chloride [11], sulfate [12] or phosphate ions [13].…”

Section: Introductionmentioning

confidence: 99%

Proton transfer across liquid∣liquid interfaces facilitated by the disproportionation reaction of a lutetium bisphthalocyanine: A voltammetric study at the microinterfaces between water and nitrobenzene or 1,6-dichlorohexane

Rimboud

Elléouet

Quentel

et al. 2008

Journal of Electroanalytical Chemistry

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Section: Introductionmentioning

confidence: 99%

Proton transfer across liquid∣liquid interfaces facilitated by the disproportionation reaction of a lutetium bisphthalocyanine: A voltammetric study at the microinterfaces between water and nitrobenzene or 1,6-dichlorohexane

Rimboud

Elléouet

Quentel

et al. 2008

Journal of Electroanalytical Chemistry

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“…8) CMPO was a product of M and T Chemicals Inc. BDPPM and BDPPE were synthesized by oxidation of Ph 2 PCH 2 PPh 2 and Ph 2 PC(=CH 2 )PPh 2 using hydrogen peroxide. 9,10) Other chemical reagents used were of analytical grade.…”

Section: Methodsmentioning

confidence: 99%

Comparison of Four Bidentate Phosphoric and Diamide Compounds for the Extractability of Actinides

Sasaki

Umetani

2006

J. Nucl. Sci. Technol.

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Using four bidentate phosphonate and diamide ligands (L), the extraction of Am(III), Th(IV), Np(V) and U(VI) was studied and their extraction species and extractability in these extractants were discussed. The extractant containing the phosphoric oxygen has stronger chelation than that with the carbonyl oxygen atoms. The molar ratios in the main chemical forms extracted are 1:3 for Am:L, 1:1 for Th:L and Np:L and 1:2 for U:L from the relationship between log D(An) and log [L]. The order of D in actinides with the different oxidation states is U(VI)>Th(IV)> Am(III)>Np(V), which shows the different order from that for HDEHP and HTTA, namely Th(IV)>U(VI)> Am(III)>Np(V). It is clear that BDPPM, a diphosphoric dioxide extractant, has high extractability towards all An used here.

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“…BDPPM and BDPPE were synthesized by oxidation of Ph 2 PCH 2 PPh 2 and Ph 2 PC(=CH 2 )PPh 2 using hydrogen peroxide, and these extractants can be purified by recrystallization [11][12] …”

Section: Preparation Of Extractantsmentioning

confidence: 99%

Actinides Extractability Trends for Multidentate Diamides and Phosphine Oxides

Sasaki¹,

Kitatsuji²,

Sugo³

et al. 2012

SERDJ

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Diamides and phosphine oxides having many types of central frames were synthesized and employed in order to determine the behavior of the actinides (An)(III), (IV), (V) and ( Measurement of the D value at different extractant concentrations gave information on the extraction reaction and extraction ability. From the present work, the best extractant is BDPPM, due to the strong affinity provided P=O group and its bidentate form resulting in six-membered ring chelation. However, this extractant has too low a solubility in n-dodecane. From the properties required for application, e.g., high solubility in n-dodecane, easy organic synthesis, gasification by combustion and high actinide extractability, into consideration, diglycolamide (DGA) is a promising extractant for radioactive waste treatment.

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Voltammetric Study on Ion Transfer of Uranium(VI) Ion between Aqueous and Nitrobenzene Phases in the Presence of Bis(diphenylphosphoryl)methane

Abstract: Voltammetric studies of ion transfer across the interface of two immiscible electrolyte solutions, such as an aqueous/organic solutions (w/org) interface, have been extensively carried out.

Cited by 8 publications

References 24 publications

Proton transfer across liquid∣liquid interfaces facilitated by the disproportionation reaction of a lutetium bisphthalocyanine: A voltammetric study at the microinterfaces between water and nitrobenzene or 1,6-dichlorohexane

Proton transfer across liquid∣liquid interfaces facilitated by the disproportionation reaction of a lutetium bisphthalocyanine: A voltammetric study at the microinterfaces between water and nitrobenzene or 1,6-dichlorohexane

Comparison of Four Bidentate Phosphoric and Diamide Compounds for the Extractability of Actinides

Actinides Extractability Trends for Multidentate Diamides and Phosphine Oxides

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