Uranyl species in 1-ethyl-3-methylimidazolium nitrate ([emi][no3]) solution of [emi]2[uo2(no3)4]

First spectrophotometric evidence for existence of [uo2(no3)4]2

Kotoe Sasaki, Tomoya Suzuki, Tsuyoshi Arai, Koichiro Takao, Shinichi Suzuki, Tsuyoshi Yaita, Yasuhisa Ikeda

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Abstract

In order to examine chemical forms of uranyl species in nitrate-based ionic liquid (IL), we have performed spectrophotometric experiments for [EMI][NO3] (EMI: 1-ethyl-3-methylimidazolium) and CH3CN solution of [EMI]2[UO2(NO3)4]. As a result, it was found that in CH3CN solution uranyl species exist as [UO2(NO3)3], that with an increase in [NO3] the [UO2(NO3)4]2 species is formed, and that uranyl species in neat [EMI][NO3] exist as [UO2(NO3)4]2. This is the first spectrophotometric evidence for formation of [UO2(NO3)4]2 in IL.

Original languageEnglish
Pages (from-to)670-672
Number of pages3
JournalChemistry Letters
Volume43
Issue number5
DOIs
Publication statusPublished - 2014

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Ionic Liquids
Nitrates
Experiments
1-ethyl-3-methylimidazolium

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  • Chemistry(all)

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Uranyl species in 1-ethyl-3-methylimidazolium nitrate ([emi][no3]) solution of [emi]2[uo2(no3)4] : First spectrophotometric evidence for existence of [uo2(no3)4]2. / Sasaki, Kotoe; Suzuki, Tomoya; Arai, Tsuyoshi; Takao, Koichiro; Suzuki, Shinichi; Yaita, Tsuyoshi; Ikeda, Yasuhisa.

In: Chemistry Letters, Vol. 43, No. 5, 2014, p. 670-672.

Research output: Contribution to journalArticle

Sasaki, Kotoe ; Suzuki, Tomoya ; Arai, Tsuyoshi ; Takao, Koichiro ; Suzuki, Shinichi ; Yaita, Tsuyoshi ; Ikeda, Yasuhisa. / Uranyl species in 1-ethyl-3-methylimidazolium nitrate ([emi][no3]) solution of [emi]2[uo2(no3)4] : First spectrophotometric evidence for existence of [uo2(no3)4]2. In: Chemistry Letters. 2014 ; Vol. 43, No. 5. pp. 670-672.
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abstract = "In order to examine chemical forms of uranyl species in nitrate-based ionic liquid (IL), we have performed spectrophotometric experiments for [EMI][NO3] (EMI: 1-ethyl-3-methylimidazolium) and CH3CN solution of [EMI]2[UO2(NO3)4]. As a result, it was found that in CH3CN solution uranyl species exist as [UO2(NO3)3], that with an increase in [NO3] the [UO2(NO3)4]2 species is formed, and that uranyl species in neat [EMI][NO3] exist as [UO2(NO3)4]2. This is the first spectrophotometric evidence for formation of [UO2(NO3)4]2 in IL.",
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AU - Sasaki, Kotoe

AU - Suzuki, Tomoya

AU - Arai, Tsuyoshi

AU - Takao, Koichiro

AU - Suzuki, Shinichi

AU - Yaita, Tsuyoshi

AU - Ikeda, Yasuhisa

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