Liquid−Liquid Equilibria in Aqueous Mixtures of Alkylmethylimidazolium Glutamate with Potassium Carbonate and Some Physicochemical Properties of Aqueous [Cnmim][Glu] (n = 4, 6, 8) Solutions

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Liquid−Liquid Equilibria in Aqueous Mixtures of Alkylmethylimidazolium Glutamate with Potassium Carbonate and Some Physicochemical Properties of Aqueous [Cnmim][Glu] (n = 4, 6, 8) Solutions. / Alopina, Elena V.; Safonova, Evgenia A.; Pukinsky, Igor B.; Smirnova, Natalia A.

в: Journal of Chemical and Engineering Data, Том 61, № 6, 2016, стр. 2013-2019.

Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование

BibTeX

@article{16a7960b5fe649d3a1cba41cd7a3e378,

title = "Liquid−Liquid Equilibria in Aqueous Mixtures of Alkylmethylimidazolium Glutamate with Potassium Carbonate and Some Physicochemical Properties of Aqueous [Cnmim][Glu] (n = 4, 6, 8) Solutions",

abstract = "Aqueous biphasic systems containing ionic liquids (ILs) attract rather high attention; in particular their application in liquid−liquid extraction is very attractive due to the specificity of the systems and great possibilities in the modification of IL chemical structures. In the present work, a series of amino acid ionic liquids (AAILs) based on the 1-alkyl-3-methylimidazolium cation and L-glutamic acid anion [Cnmim][Glu] (n = 4, 6, 8) were synthesized. Densities, refractive indices, and specific electrical conductivities of aqueous solutions of these AAILs in the concentration range 0−70 wt % (for [C4mim][Glu] solutions up to 87 wt %) were measured at temperature 298.15 K and ambient pressure 0.1 MPa. The liquid−liquid equilibria for ternary solutions [Cnmim][Glu] + salt (K2CO3) + water at 298.15 K were under study. In aqueous solutions of [C8mim][Glu] micellization is observed, whereas [C4mim][Glu] and [C6mim][Glu] in aqueous solutions form small ordinary aggregates. The critical micellar concentration fo",

keywords = "ionic liquid, 1-alkyl-3-methylimidazolium cation, amino acid ionic liquid",

author = "Alopina, {Elena V.} and Safonova, {Evgenia A.} and Pukinsky, {Igor B.} and Smirnova, {Natalia A.}",

year = "2016",

doi = "10.1021/acs.jced.5b00948",

language = "English",

volume = "61",

pages = "2013--2019",

journal = "Journal of Chemical & Engineering Data",

issn = "0021-9568",

publisher = "American Chemical Society",

number = "6",

}

RIS

TY - JOUR

T1 - Liquid−Liquid Equilibria in Aqueous Mixtures of Alkylmethylimidazolium Glutamate with Potassium Carbonate and Some Physicochemical Properties of Aqueous [Cnmim][Glu] (n = 4, 6, 8) Solutions

AU - Alopina, Elena V.

AU - Safonova, Evgenia A.

AU - Pukinsky, Igor B.

AU - Smirnova, Natalia A.

PY - 2016

Y1 - 2016

N2 - Aqueous biphasic systems containing ionic liquids (ILs) attract rather high attention; in particular their application in liquid−liquid extraction is very attractive due to the specificity of the systems and great possibilities in the modification of IL chemical structures. In the present work, a series of amino acid ionic liquids (AAILs) based on the 1-alkyl-3-methylimidazolium cation and L-glutamic acid anion [Cnmim][Glu] (n = 4, 6, 8) were synthesized. Densities, refractive indices, and specific electrical conductivities of aqueous solutions of these AAILs in the concentration range 0−70 wt % (for [C4mim][Glu] solutions up to 87 wt %) were measured at temperature 298.15 K and ambient pressure 0.1 MPa. The liquid−liquid equilibria for ternary solutions [Cnmim][Glu] + salt (K2CO3) + water at 298.15 K were under study. In aqueous solutions of [C8mim][Glu] micellization is observed, whereas [C4mim][Glu] and [C6mim][Glu] in aqueous solutions form small ordinary aggregates. The critical micellar concentration fo

AB - Aqueous biphasic systems containing ionic liquids (ILs) attract rather high attention; in particular their application in liquid−liquid extraction is very attractive due to the specificity of the systems and great possibilities in the modification of IL chemical structures. In the present work, a series of amino acid ionic liquids (AAILs) based on the 1-alkyl-3-methylimidazolium cation and L-glutamic acid anion [Cnmim][Glu] (n = 4, 6, 8) were synthesized. Densities, refractive indices, and specific electrical conductivities of aqueous solutions of these AAILs in the concentration range 0−70 wt % (for [C4mim][Glu] solutions up to 87 wt %) were measured at temperature 298.15 K and ambient pressure 0.1 MPa. The liquid−liquid equilibria for ternary solutions [Cnmim][Glu] + salt (K2CO3) + water at 298.15 K were under study. In aqueous solutions of [C8mim][Glu] micellization is observed, whereas [C4mim][Glu] and [C6mim][Glu] in aqueous solutions form small ordinary aggregates. The critical micellar concentration fo

KW - ionic liquid

KW - 1-alkyl-3-methylimidazolium cation

KW - amino acid ionic liquid

U2 - 10.1021/acs.jced.5b00948

DO - 10.1021/acs.jced.5b00948

M3 - Article

VL - 61

SP - 2013

EP - 2019

JO - Journal of Chemical & Engineering Data

JF - Journal of Chemical & Engineering Data

SN - 0021-9568

IS - 6

ER -

ID: 7577514