Excess molar enthalpies for [emim][BF4]+pyrrolidin-2-one or 1-methyl pyrrolidin-2-one+pyridine or water mixtures

Sharma, V.K.; Bhagour, S.; Solanki, S.; Sheetal, .; Jangra, Sunil K.

doi:10.1016/j.jct.2013.09.015

Cited by 11 publications

(6 citation statements)

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“…The database included papers in which experimental speed of sound data were reported for temperatures from 278.15 to 393.15 K and pressures from 0.1 to 200 MPa (142 articles), a paper in which experimental data are presented only as a plot (1 article), and works where only calculated values of speed of sound are available (22 articles) published in the period 2004–2014 (Table S1). ,,− ,− ,− ,,,,,− …”

Section: Experimental Methods and Data Treatmentmentioning

confidence: 99%

Speed of Sound and Ultrasound Absorption in Ionic Liquids

et al. 2017

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A complete review of the literature data on the speed of sound and ultrasound absorption in pure ionic liquids (ILs) is presented. Apart of the analysis of data published to date, the significance of the speed of sound in ILs is regarded. An analysis of experimental methods described in the literature to determine the speed of sound in ILs as a function of temperature and pressure is reported, and the relevance of ultrasound absorption in acoustic investigations is discussed. Careful attention was paid to highlight possible artifacts, and side phenomena related to the absorption and relaxation present in such measurements. Then, an overview of existing data is depicted to describe the temperature and pressure dependences on the speed of sound in ILs, as well as the impact of impurities in ILs on this property. A relation between ions structure and speeds of sound is presented by highlighting existing correlation and evaluative methods described in the literature. Importantly, a critical analysis of speeds of sound in ILs vs those in classical molecular solvents is presented to compare these two classes of compounds. The last part presents the importance of acoustic investigations for chemical engineering design and possible industrial applications of ILs.

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Section: Experimental Methods and Data Treatmentmentioning

confidence: 99%

Speed of Sound and Ultrasound Absorption in Ionic Liquids

et al. 2017

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“…2-MA or A or MA or DMF or Water (2) and water (1) ? FD or DMF (2) mixtures were taken from the literature [7,9,14,30].…”

Section: Resultsmentioning

confidence: 99%

“…Excess molar enthalpies of the binary and ternary mixtures were measured using micro differential scanning calorimeter [Model-l DSC 7 Evo] supplied by M/S SETARAM instrumentation, France in the manner as described elsewhere [13,14]. The calorimeter uses a double-stage temperature control with Peltier coolers and works between -45 and 120°C.…”

Section: -Ethyl-3-methylimidazolium Tetrafluoroborate [Emim][bfmentioning

confidence: 99%

“…The various Flory's parameters and heat capacities of the liquids were taken from the literature [7,14,42] [7,9,14]. The j T values for water are taken form the literature [16] and for [emim][BF 4 ] or 2-MA or A or MA or FD or DMF were calculated in the manner described elsewhere [43].…”

Section: Prigogine-flory-patterson (Pfp) Theorymentioning

confidence: 99%

“…formamide (2) mixtures have been reported in the literature. Since up till now, the available excess molar enthalpies data for ternary mixtures with ionic liquid mixtures are very scarce [12][13][14]. Excess molar enthalpy data of the ternary mixtures reflect differences in molecular interactions in mixed state compared to pure state among three components; it is, therefore, of interest and significance to use excess molar enthalpies data of the present mixtures containing ionic liquid for testing theories of liquid mixtures.…”

Section: Introductionmentioning

confidence: 99%

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Excess molar enthalpies of binary and ternary liquid mixtures

Sharma

Solanki

Bhagour

2014

J Therm Anal Calorim

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Excess molar enthalpies, H E 123 of ternary 1-ethyl-3-methylimidazolium tetrafluoroborate (1) ? 2-methyl aniline (2) ? aniline or N-methyl aniline (3); 1-ethyl-3-methylimidazolium tetrafluoroborate (1) ? water (2) ? formamide or N,N-dimethyl formamide (3) and H E of 2-methyl aniline (1) ? aniline or N-methyl aniline (2); 1-ethyl-3-methylimidazolium tetrafluoroborate (1) ? formamide (2) mixtures, have been measured at 298.15 K. The excess molar enthalpies, H E 123 , are negative for 1-ethyl-3-methylimidazolium tetrafluoroborate (1) ? 2-methyl aniline (2) ? aniline or N-methyl aniline (3) mixtures and are positive for 1-ethyl-3-methylimidazolium tetrafluoroborate (1) ? water (2) ? formamide (3) mixture over entire composition of (1) and (2) components. However, the magnitude and sign of H E 123 value for 1-ethyl-3-methylimidazolium tetrafluoroborate (1) ? water (2) ? N,Ndimethyl formamide (3) mixture vary by the relative composition of the constituent molecules. The H E 123 and H E data have also been tested in terms of Graph and Prigogine-Flory-Patterson theories.

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Critical review on graph theory: Estimation of thermodynamic properties of liquid mixtures

Malik

Sharma

2023

Korean J. Chem. Eng.

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Excess molar enthalpies for [emim][BF4]+pyrrolidin-2-one or 1-methyl pyrrolidin-2-one+pyridine or water mixtures

Cited by 11 publications

References 50 publications

Speed of Sound and Ultrasound Absorption in Ionic Liquids

Speed of Sound and Ultrasound Absorption in Ionic Liquids

Excess molar enthalpies of binary and ternary liquid mixtures

Critical review on graph theory: Estimation of thermodynamic properties of liquid mixtures

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