Extraction behavior of lanthanides by a novel ionic liquid including N,N,N¤,N¤-Tetrakis(2-pyridylmethyl)-1,3-diaminopropane-2-amido structure: A softhard donor combined strategy

Hao Wu; Xiaoxia Zhang; Xiangbiao Yin; Inaba Yusuke; Harigai Miki; Kenji Takeshita

doi:10.1246/cl.180195

Extraction behavior of lanthanides by a novel ionic liquid including N,N,N¤,N¤-Tetrakis(2-pyridylmethyl)-1,3-diaminopropane-2-amido structure: A softhard donor combined strategy

Hao Wu, Xiaoxia Zhang, Xiangbiao Yin, Inaba Yusuke, Harigai Miki, Kenji Takeshita

Research output: Contribution to journal › Article › peer-review

3 Citations (Scopus)

Abstract

A novel hydrophobic ionic liquid including N,N,N¤,N¤-tetrakis(2-pyridylmethyl)-1,3-diaminopropane-2-amido structures ((IL-TPTNA)⁺NTf₂¹) was successfully synthesized. Its extraction performance of Eu³⁺ from nitric acid solution was investigated by dissolving in a low viscosity ionic liquid (C₆mim)⁺NTf₂¹. As a result, it was found that the extraction percentage of Eu³⁺ varied with the pH value. The stripping of extracted metals from (C₆mim)⁺NTf₂¹ into a receiving phase was successfully achieved under 1.0 M nitric acid conditions. Slope analysis confirmed that (IL-TPTNA)⁺NTf₂¹ formed a 1:3 complex with Eu³⁺ in the (C₆mim)⁺NTf₂¹ system. Furthermore, (IL-TPTNA)⁺NTf₂¹ showed greater preference to heavier lanthanides than lighter ones.

Original language	English
Pages (from-to)	732-735
Number of pages	4
Journal	Chemistry Letters
Volume	47
Issue number	6
DOIs	https://doi.org/10.1246/cl.180195
Publication status	Published - 2018
Externally published	Yes

Keywords

Extraction
Ionic liquid
Lanthanide

ASJC Scopus subject areas

Chemistry(all)

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10.1246/cl.180195

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Extraction behavior of lanthanides by a novel ionic liquid including N,N,N¤,N¤-Tetrakis(2-pyridylmethyl)-1,3-diaminopropane-2-amido structure : A softhard donor combined strategy. / Wu, Hao; Zhang, Xiaoxia; Yin, Xiangbiao; Yusuke, Inaba; Miki, Harigai; Takeshita, Kenji.

In: Chemistry Letters, Vol. 47, No. 6, 2018, p. 732-735.

Research output: Contribution to journal › Article › peer-review

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title = "Extraction behavior of lanthanides by a novel ionic liquid including N,N,N¤,N¤-Tetrakis(2-pyridylmethyl)-1,3-diaminopropane-2-amido structure: A softhard donor combined strategy",

abstract = "A novel hydrophobic ionic liquid including N,N,N¤,N¤-tetrakis(2-pyridylmethyl)-1,3-diaminopropane-2-amido structures ((IL-TPTNA)+NTf21) was successfully synthesized. Its extraction performance of Eu3+ from nitric acid solution was investigated by dissolving in a low viscosity ionic liquid (C6mim)+NTf21. As a result, it was found that the extraction percentage of Eu3+ varied with the pH value. The stripping of extracted metals from (C6mim)+NTf21 into a receiving phase was successfully achieved under 1.0 M nitric acid conditions. Slope analysis confirmed that (IL-TPTNA)+NTf21 formed a 1:3 complex with Eu3+ in the (C6mim)+NTf21 system. Furthermore, (IL-TPTNA)+NTf21 showed greater preference to heavier lanthanides than lighter ones.",

keywords = "Extraction, Ionic liquid, Lanthanide",

author = "Hao Wu and Xiaoxia Zhang and Xiangbiao Yin and Inaba Yusuke and Harigai Miki and Kenji Takeshita",

year = "2018",

doi = "10.1246/cl.180195",

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T2 - A softhard donor combined strategy

AU - Wu, Hao

AU - Zhang, Xiaoxia

AU - Yin, Xiangbiao

AU - Yusuke, Inaba

AU - Miki, Harigai

AU - Takeshita, Kenji

PY - 2018

Y1 - 2018

N2 - A novel hydrophobic ionic liquid including N,N,N¤,N¤-tetrakis(2-pyridylmethyl)-1,3-diaminopropane-2-amido structures ((IL-TPTNA)+NTf21) was successfully synthesized. Its extraction performance of Eu3+ from nitric acid solution was investigated by dissolving in a low viscosity ionic liquid (C6mim)+NTf21. As a result, it was found that the extraction percentage of Eu3+ varied with the pH value. The stripping of extracted metals from (C6mim)+NTf21 into a receiving phase was successfully achieved under 1.0 M nitric acid conditions. Slope analysis confirmed that (IL-TPTNA)+NTf21 formed a 1:3 complex with Eu3+ in the (C6mim)+NTf21 system. Furthermore, (IL-TPTNA)+NTf21 showed greater preference to heavier lanthanides than lighter ones.

AB - A novel hydrophobic ionic liquid including N,N,N¤,N¤-tetrakis(2-pyridylmethyl)-1,3-diaminopropane-2-amido structures ((IL-TPTNA)+NTf21) was successfully synthesized. Its extraction performance of Eu3+ from nitric acid solution was investigated by dissolving in a low viscosity ionic liquid (C6mim)+NTf21. As a result, it was found that the extraction percentage of Eu3+ varied with the pH value. The stripping of extracted metals from (C6mim)+NTf21 into a receiving phase was successfully achieved under 1.0 M nitric acid conditions. Slope analysis confirmed that (IL-TPTNA)+NTf21 formed a 1:3 complex with Eu3+ in the (C6mim)+NTf21 system. Furthermore, (IL-TPTNA)+NTf21 showed greater preference to heavier lanthanides than lighter ones.

KW - Extraction

KW - Ionic liquid

KW - Lanthanide

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