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Journal Articles

Separation of Rh(III) and direct electrodeposition in phosphonium-based ionic liquids with electrochemical and spectroscopic analyses for extracted Rh(III) complex

Tokumitsu, Shun*; Matsumiya, Masahiko*; Sasaki, Yuji

Separation and Purification Technology, 382(Part 2), p.135631_1 - 135631_9, 2026/02

https://doi.org/10.1016/j.seppur.2025.135631

Times Cited Count：0 Percentile：0.00(Engineering, Chemical)

Journal Articles

Uranium hydroxide/oxide deposits on uranyl reduction

Ouchi, Kazuki; Matsumura, Daiju; Tsuji, Takuya; Kobayashi, Toru; Otobe, Haruyoshi; Kitatsuji, Yoshihiro

RSC Advances (Internet), 13(24), p.16321 - 16326, 2023/05

https://doi.org/10.1039/D3RA02899B

Times Cited Count：4 Percentile：17.45(Chemistry, Multidisciplinary)

We clarified the chemical state transformation of deposits following the reduction of uranyl ion (U $^{rm VI}$ O $_{2}$ $^{2+}$ ) from the results of electrochemical quartz crystal microbalance, impedance spectra and X-ray absorption fine structure measurements. We propose the following deposition mechanism: (1) U $^{rm IV}$ is formed by the disproportionation of U $^{rm V}$ . (2) U $^{rm IV}$ forms U $^{rm IV}$ hydroxide deposits, and (3) finally, the hydroxide deposits transform into U $^{rm IV}$ oxide, generally having a larger electrical resistance than the former.

Journal Articles

Improvement in quantitative performance of underwater laser-induced breakdown spectroscopy based on the understanding of laser ablation phenomena

Matsumoto, Ayumu

Reza Kako Gakkai-Shi, 23(3), p.222 - 231, 2016/10

no abstracts in English