Journal
JOURNAL OF CHEMICAL THERMODYNAMICS
Volume 156, Issue -, Pages -Publisher
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jct.2020.106383
Keywords
Density; Speed of sound; Refractive index; Ethyl acetate; Ionic liquid [Bmim][NTf2]
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This study examines the properties of binary blends of 1-butyl-3-methylimidazolium bis(trifluromethylsulfonyl)imide ionic liquid with Ethyl acetate at various temperatures, discussing molecular interactions and temperature effects through excess properties. The results are adequately fitted with the Redlich-Kister polynomial equation, providing insight into molecular interactions and temperature effects.
In this work, densities, speeds of sound and refractive index of pure and binary blends of 1-butyl-3-methylimidazolium bis(trifluromethylsulfonyl)imide ionic liquid (IL) with Ethyl acetate (EtOAc) have been measured at various temperatures at atmospheric pressure 0.1 MPa. With the help of experimental results, a discussion is carried out on the molecular interactions and the effect of temperature on interactions through excess properties such as excess molar volumes, V-m(E), excess isentropic compressibility, kappa(E)(s), excess speeds of sound, u(E), excess molar isentropic compressibility, K-s,m(E), excess isobaric thermal expansion, alpha(E)(p). The excess properties .are adequately fitted with the Redlich-Kister polynomial equation. The excess partial molar volumes, (V) over bar (E)(m,1) and (V) over bar (E)(m,2) and excess partial molar isentropic compressibility, (K) over bar (E)(s.m.1) and K-s.m.2(E), excess partial molar volumes, V-m,V-1 and (V) over bar (m,2)degrees(E) and excess partial molar isentropic com- pressibility, K-s,K-m,K-1 and (K) over bar (s,m,2)degrees(E) of the components at infinite dilution also been measured. For a better understanding of molecular interactions, authors discussed with various cationic and anionic ILs with Ethyl acetate. (C) 2021 Elsevier Ltd.
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