Calado, Marta S.

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  • Calado, Marta S. (5)

Author's Bibliography

Solutions of ionic liquids with diverse aliphatic and aromatic solutes - Phase behavior and potentials for applications: A review article

Višak, Zoran P.; Calado, Marta S.; Vuksanović, Jelena; Ivaniš, Gorica; Branco, Adriana S. H.; Grozdanić, Nikola; Kijevčanin, Mirjana; Šerbanović, Slobodan P.

(Elsevier, Amsterdam, 2019)

TY  - JOUR
AU  - Višak, Zoran P.
AU  - Calado, Marta S.
AU  - Vuksanović, Jelena
AU  - Ivaniš, Gorica
AU  - Branco, Adriana S. H.
AU  - Grozdanić, Nikola
AU  - Kijevčanin, Mirjana
AU  - Šerbanović, Slobodan P.
PY  - 2019
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/4133
AB  - This article principally reviews our research related to liquid-liquid and solid-liquid phase behavior of imidazolium- and phosphonium-based ionic liquids, mainly having bistriflamide ([NTf2](-)) or triflate ([OTf](-)) anions, with several aliphatic and aromatic solutes (target molecules). The latter include: (i) diols and triols: 1,2-propanediol, 1,3-propanediol and glycerol; (ii) polymer poly(ethylene glycol) (PEG): average molecular mass 200, 400 and 2050 - PEG200 (liquid), PEG400 (liquid) and PEG2050 (solid), respectively; (iii) polar aromatic compounds: nicotine, aniline, phenolic acids (vanillic, ferulic and caffeic acid,), thymol and caffeine and (iv) non-polar aromatic compounds (benzene, toluene, p-xylene). In these studies, the effects of the cation and anion, cation alkyl chain and PEG chain lengths on the observed phase behaviors were scrutinized. Thus, one of the major observations is that the anion - bistriflamide/triflate - selection usually had strong, sometimes really remarkable effects on the solvent abilities of the studied ionic liquids. Namely, in the case of the hydrogen-bonding solutes, the ionic liquids with the triflate anion generally exhibited substantially higher solubility than those having the bistriflamide anion. Nevertheless, with the aromatic compounds the situation was the opposite - in most of the cases it was the bistriflamide anion that favoured solubility. Moreover, our other studies confirmed the ability of PEG to dissolve both polar and non-polar aromatic compounds. Therefore, two general possibilities of application of alternative, environmentally acceptable, solvents of tuneable solvent properties appeared. One is to use homogeneous mixtures of two ionic liquids having [NTf2](-) and [OTf](-) anions as mixed solvents. The other, however, envisages the application of homogeneous and heterogeneous (PEG + ionic liquid) solutions as tuneable solvents for aromatic solutes. Such mixed solvents have potential applications in separation of the aforesaid target molecules from their aqueous solutions or in extraction from original matrices. From the fundamental point of view the phase equilibrium studies reviewed herein and the diversity of the pure compounds - ionic liquids and target molecules - represent a good base for the discussion of interactions between the molecules that exist in the studied solutions.
PB  - Elsevier, Amsterdam
T2  - Arabian Journal of Chemistry
T1  - Solutions of ionic liquids with diverse aliphatic and aromatic solutes - Phase behavior and potentials for applications: A review article
EP  - 1640
IS  - 7
SP  - 1628
VL  - 12
DO  - 10.1016/j.arabjc.2014.10.003
ER  - 
@article{
author = "Višak, Zoran P. and Calado, Marta S. and Vuksanović, Jelena and Ivaniš, Gorica and Branco, Adriana S. H. and Grozdanić, Nikola and Kijevčanin, Mirjana and Šerbanović, Slobodan P.",
year = "2019",
abstract = "This article principally reviews our research related to liquid-liquid and solid-liquid phase behavior of imidazolium- and phosphonium-based ionic liquids, mainly having bistriflamide ([NTf2](-)) or triflate ([OTf](-)) anions, with several aliphatic and aromatic solutes (target molecules). The latter include: (i) diols and triols: 1,2-propanediol, 1,3-propanediol and glycerol; (ii) polymer poly(ethylene glycol) (PEG): average molecular mass 200, 400 and 2050 - PEG200 (liquid), PEG400 (liquid) and PEG2050 (solid), respectively; (iii) polar aromatic compounds: nicotine, aniline, phenolic acids (vanillic, ferulic and caffeic acid,), thymol and caffeine and (iv) non-polar aromatic compounds (benzene, toluene, p-xylene). In these studies, the effects of the cation and anion, cation alkyl chain and PEG chain lengths on the observed phase behaviors were scrutinized. Thus, one of the major observations is that the anion - bistriflamide/triflate - selection usually had strong, sometimes really remarkable effects on the solvent abilities of the studied ionic liquids. Namely, in the case of the hydrogen-bonding solutes, the ionic liquids with the triflate anion generally exhibited substantially higher solubility than those having the bistriflamide anion. Nevertheless, with the aromatic compounds the situation was the opposite - in most of the cases it was the bistriflamide anion that favoured solubility. Moreover, our other studies confirmed the ability of PEG to dissolve both polar and non-polar aromatic compounds. Therefore, two general possibilities of application of alternative, environmentally acceptable, solvents of tuneable solvent properties appeared. One is to use homogeneous mixtures of two ionic liquids having [NTf2](-) and [OTf](-) anions as mixed solvents. The other, however, envisages the application of homogeneous and heterogeneous (PEG + ionic liquid) solutions as tuneable solvents for aromatic solutes. Such mixed solvents have potential applications in separation of the aforesaid target molecules from their aqueous solutions or in extraction from original matrices. From the fundamental point of view the phase equilibrium studies reviewed herein and the diversity of the pure compounds - ionic liquids and target molecules - represent a good base for the discussion of interactions between the molecules that exist in the studied solutions.",
publisher = "Elsevier, Amsterdam",
journal = "Arabian Journal of Chemistry",
title = "Solutions of ionic liquids with diverse aliphatic and aromatic solutes - Phase behavior and potentials for applications: A review article",
pages = "1640-1628",
number = "7",
volume = "12",
doi = "10.1016/j.arabjc.2014.10.003"
}
Višak, Z. P., Calado, M. S., Vuksanović, J., Ivaniš, G., Branco, A. S. H., Grozdanić, N., Kijevčanin, M.,& Šerbanović, S. P.. (2019). Solutions of ionic liquids with diverse aliphatic and aromatic solutes - Phase behavior and potentials for applications: A review article. in Arabian Journal of Chemistry
Elsevier, Amsterdam., 12(7), 1628-1640.
https://doi.org/10.1016/j.arabjc.2014.10.003
Višak ZP, Calado MS, Vuksanović J, Ivaniš G, Branco ASH, Grozdanić N, Kijevčanin M, Šerbanović SP. Solutions of ionic liquids with diverse aliphatic and aromatic solutes - Phase behavior and potentials for applications: A review article. in Arabian Journal of Chemistry. 2019;12(7):1628-1640.
doi:10.1016/j.arabjc.2014.10.003 .
Višak, Zoran P., Calado, Marta S., Vuksanović, Jelena, Ivaniš, Gorica, Branco, Adriana S. H., Grozdanić, Nikola, Kijevčanin, Mirjana, Šerbanović, Slobodan P., "Solutions of ionic liquids with diverse aliphatic and aromatic solutes - Phase behavior and potentials for applications: A review article" in Arabian Journal of Chemistry, 12, no. 7 (2019):1628-1640,
https://doi.org/10.1016/j.arabjc.2014.10.003 . .
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Aqueous nicotine solutions: pH-measurements and salting-out effects - Analysis of the effective Gibbs energies of hydration and ionic strengths of the solutions

Grozdanić, Nikola; Calado, Marta S.; Kijevčanin, Mirjana; Šerbanović, Slobodan P.; Višak, Zoran P.

(Srpsko hemijsko društvo, Beograd, 2014)

TY  - JOUR
AU  - Grozdanić, Nikola
AU  - Calado, Marta S.
AU  - Kijevčanin, Mirjana
AU  - Šerbanović, Slobodan P.
AU  - Višak, Zoran P.
PY  - 2014
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/2807
AB  - This work is a continuation of previous studies on phase demixing - salting-out effects in aqueous nicotine solutions. Thus, pH measurements were performed, allowing a brief analysis of the existing hydrogen bond interactions. Salting-out effects the related experimental cloud point shifts provoked by the addition of two inorganic salts, potassium nitrate and sodium sulfate, which have not hitherto been studied, were determined. Analysis of the current and previously reported salting-out/or salting-in phenomena in nicotine aqueous solutions was performed. In this respect, five studied salts were included: four inorganic salts (sodium chloride, potassium nitrate, sodium sulfate and trisodium phosphate (Na3PO4)), and ionic the liquid 1-ethyl-3-methylimidazolium ethyl sulfate ([C(2)mim][EtSO4], commercial name ECOENG212 (R)). Based on pH measurements, the effective Gibbs energies of hydration and the ionic strengths of the respective ternary solutions were calculated and plotted against the related cloud-point shifts caused by the addition of the salts. For the studied salts, the results and diagram obtained within this work may be used to predict the cloud-points shifts, based on the related quantities of the salts added and/or the molar Gibbs energies of hydration and/or ionic strengths requested in each case.
PB  - Srpsko hemijsko društvo, Beograd
T2  - Journal of the Serbian Chemical Society
T1  - Aqueous nicotine solutions: pH-measurements and salting-out effects - Analysis of the effective Gibbs energies of hydration and ionic strengths of the solutions
EP  - 842
IS  - 7
SP  - 829
VL  - 79
DO  - 10.2298/JSC130817109G
ER  - 
@article{
author = "Grozdanić, Nikola and Calado, Marta S. and Kijevčanin, Mirjana and Šerbanović, Slobodan P. and Višak, Zoran P.",
year = "2014",
abstract = "This work is a continuation of previous studies on phase demixing - salting-out effects in aqueous nicotine solutions. Thus, pH measurements were performed, allowing a brief analysis of the existing hydrogen bond interactions. Salting-out effects the related experimental cloud point shifts provoked by the addition of two inorganic salts, potassium nitrate and sodium sulfate, which have not hitherto been studied, were determined. Analysis of the current and previously reported salting-out/or salting-in phenomena in nicotine aqueous solutions was performed. In this respect, five studied salts were included: four inorganic salts (sodium chloride, potassium nitrate, sodium sulfate and trisodium phosphate (Na3PO4)), and ionic the liquid 1-ethyl-3-methylimidazolium ethyl sulfate ([C(2)mim][EtSO4], commercial name ECOENG212 (R)). Based on pH measurements, the effective Gibbs energies of hydration and the ionic strengths of the respective ternary solutions were calculated and plotted against the related cloud-point shifts caused by the addition of the salts. For the studied salts, the results and diagram obtained within this work may be used to predict the cloud-points shifts, based on the related quantities of the salts added and/or the molar Gibbs energies of hydration and/or ionic strengths requested in each case.",
publisher = "Srpsko hemijsko društvo, Beograd",
journal = "Journal of the Serbian Chemical Society",
title = "Aqueous nicotine solutions: pH-measurements and salting-out effects - Analysis of the effective Gibbs energies of hydration and ionic strengths of the solutions",
pages = "842-829",
number = "7",
volume = "79",
doi = "10.2298/JSC130817109G"
}
Grozdanić, N., Calado, M. S., Kijevčanin, M., Šerbanović, S. P.,& Višak, Z. P.. (2014). Aqueous nicotine solutions: pH-measurements and salting-out effects - Analysis of the effective Gibbs energies of hydration and ionic strengths of the solutions. in Journal of the Serbian Chemical Society
Srpsko hemijsko društvo, Beograd., 79(7), 829-842.
https://doi.org/10.2298/JSC130817109G
Grozdanić N, Calado MS, Kijevčanin M, Šerbanović SP, Višak ZP. Aqueous nicotine solutions: pH-measurements and salting-out effects - Analysis of the effective Gibbs energies of hydration and ionic strengths of the solutions. in Journal of the Serbian Chemical Society. 2014;79(7):829-842.
doi:10.2298/JSC130817109G .
Grozdanić, Nikola, Calado, Marta S., Kijevčanin, Mirjana, Šerbanović, Slobodan P., Višak, Zoran P., "Aqueous nicotine solutions: pH-measurements and salting-out effects - Analysis of the effective Gibbs energies of hydration and ionic strengths of the solutions" in Journal of the Serbian Chemical Society, 79, no. 7 (2014):829-842,
https://doi.org/10.2298/JSC130817109G . .
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Environmentally friendly solutions of liquid poly(ethylene glycol) and imidazolium based ionic liquids with bistriflamide and triflate anions: Volumetric and viscosity studies

Vuksanović, Jelena; Calado, Marta S.; Ivaniš, Gorica; Kijevčanin, Mirjana; Šerbanović, Slobodan P.; Višak, Zoran P.

(Elsevier Science Bv, Amsterdam, 2013)

TY  - JOUR
AU  - Vuksanović, Jelena
AU  - Calado, Marta S.
AU  - Ivaniš, Gorica
AU  - Kijevčanin, Mirjana
AU  - Šerbanović, Slobodan P.
AU  - Višak, Zoran P.
PY  - 2013
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/2422
AB  - In this paper, densities and viscosities of the solutions of PEG200 with two imidazolium ionic liquids, 1-ethyl-3-methylimidazolium bis{(trifluoromethyl)sulfonyl}amide ([C(2)mim][NTf2]) and 1-ethyl-3-methylimidazolium trifluoromethanesulfonate ([C(2)mim][OTf]), at pressure 0.1 MPa and in the temperature range of 288.15-318.15 K, were measured. The experimental data were used to calculate excess molar volumes, deviations in viscosity and excess molar Gibbs free energies of activation of viscous flow for the studied solutions. Excess molar volumes indicate strong attractive interactions provoked by the studied ionic liquids which are even enhanced in the case of the [C(2)mim][OTf] as a solution component. The analysis of the viscosity data showed that these cannot be solely explained on the basis of the interactions between the present molecules/ions and that the factors also related to entropy - size and packing of molecules - must be considered as well. Thus, excess molar Gibbs free energy of activation of viscous flow appeared as very important for a complete description of the current viscosity behavior.
PB  - Elsevier Science Bv, Amsterdam
T2  - Fluid Phase Equilibria
T1  - Environmentally friendly solutions of liquid poly(ethylene glycol) and imidazolium based ionic liquids with bistriflamide and triflate anions: Volumetric and viscosity studies
EP  - 109
SP  - 100
VL  - 352
DO  - 10.1016/j.fluid.2013.05.013
ER  - 
@article{
author = "Vuksanović, Jelena and Calado, Marta S. and Ivaniš, Gorica and Kijevčanin, Mirjana and Šerbanović, Slobodan P. and Višak, Zoran P.",
year = "2013",
abstract = "In this paper, densities and viscosities of the solutions of PEG200 with two imidazolium ionic liquids, 1-ethyl-3-methylimidazolium bis{(trifluoromethyl)sulfonyl}amide ([C(2)mim][NTf2]) and 1-ethyl-3-methylimidazolium trifluoromethanesulfonate ([C(2)mim][OTf]), at pressure 0.1 MPa and in the temperature range of 288.15-318.15 K, were measured. The experimental data were used to calculate excess molar volumes, deviations in viscosity and excess molar Gibbs free energies of activation of viscous flow for the studied solutions. Excess molar volumes indicate strong attractive interactions provoked by the studied ionic liquids which are even enhanced in the case of the [C(2)mim][OTf] as a solution component. The analysis of the viscosity data showed that these cannot be solely explained on the basis of the interactions between the present molecules/ions and that the factors also related to entropy - size and packing of molecules - must be considered as well. Thus, excess molar Gibbs free energy of activation of viscous flow appeared as very important for a complete description of the current viscosity behavior.",
publisher = "Elsevier Science Bv, Amsterdam",
journal = "Fluid Phase Equilibria",
title = "Environmentally friendly solutions of liquid poly(ethylene glycol) and imidazolium based ionic liquids with bistriflamide and triflate anions: Volumetric and viscosity studies",
pages = "109-100",
volume = "352",
doi = "10.1016/j.fluid.2013.05.013"
}
Vuksanović, J., Calado, M. S., Ivaniš, G., Kijevčanin, M., Šerbanović, S. P.,& Višak, Z. P.. (2013). Environmentally friendly solutions of liquid poly(ethylene glycol) and imidazolium based ionic liquids with bistriflamide and triflate anions: Volumetric and viscosity studies. in Fluid Phase Equilibria
Elsevier Science Bv, Amsterdam., 352, 100-109.
https://doi.org/10.1016/j.fluid.2013.05.013
Vuksanović J, Calado MS, Ivaniš G, Kijevčanin M, Šerbanović SP, Višak ZP. Environmentally friendly solutions of liquid poly(ethylene glycol) and imidazolium based ionic liquids with bistriflamide and triflate anions: Volumetric and viscosity studies. in Fluid Phase Equilibria. 2013;352:100-109.
doi:10.1016/j.fluid.2013.05.013 .
Vuksanović, Jelena, Calado, Marta S., Ivaniš, Gorica, Kijevčanin, Mirjana, Šerbanović, Slobodan P., Višak, Zoran P., "Environmentally friendly solutions of liquid poly(ethylene glycol) and imidazolium based ionic liquids with bistriflamide and triflate anions: Volumetric and viscosity studies" in Fluid Phase Equilibria, 352 (2013):100-109,
https://doi.org/10.1016/j.fluid.2013.05.013 . .
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"Green Meets Green" - Sustainable solutions of imidazolium and phosphonium ionic liquids with poly(ethylene glycol): Solubility and phase behavior

Calado, Marta S.; Ivaniš, Gorica; Vuksanović, Jelena; Kijevčanin, Mirjana; Šerbanović, Slobodan P.; Višak, Zoran P.

(Elsevier Science Bv, Amsterdam, 2013)

TY  - JOUR
AU  - Calado, Marta S.
AU  - Ivaniš, Gorica
AU  - Vuksanović, Jelena
AU  - Kijevčanin, Mirjana
AU  - Šerbanović, Slobodan P.
AU  - Višak, Zoran P.
PY  - 2013
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/2536
AB  - Liquid-liquid and solid-liquid phase behaviors of the binary solutions of imidazolium [C(2)mim](+) or trihexyltetradecyl phosphonium [P-6,P-6,P-6,P-14](+) ionic liquids having triflate [OTf](-), bistriflamide [NTf2](-) or ethyl-sulfate [EtSO4](-) anions with poly(ethylene glycol) (PEG) of average molecular mass (Mw) 200, 400 and 2050, were studied. The respective temperature-composition phase diagrams were constructed thus mapping the homogeneous and heterogeneous regions of the studied solutions. The impact of cation, anion and of PEG polymer chain length on the studied phase behavior was investigated and discussed in the terms of the important interactions in the solutions - hydrogen bonds and ion-dipole interactions. Imidazolium cation showed significant advantage over the phosphonium in promoting both liquid-liquid and solid-liquid solubility. On the other hand, the anion effect was found to be dependent on the outcome of the interplay between cation-anion and anion-PEG interactions. As expected, longer PEG chain led to worse solubility with the studied ionic liquids. This study is a first step to explore the possibilities to use the studied (PEG + ionic liquid) solutions as potential sustainable hybrid materials or combined (mixed) solvents of tunable thermophysical properties and/or solvent power.
PB  - Elsevier Science Bv, Amsterdam
T2  - Fluid Phase Equilibria
T1  - "Green Meets Green" - Sustainable solutions of imidazolium and phosphonium ionic liquids with poly(ethylene glycol): Solubility and phase behavior
EP  - 12
SP  - 6
VL  - 344
DO  - 10.1016/j.fluid.2013.01.019
ER  - 
@article{
author = "Calado, Marta S. and Ivaniš, Gorica and Vuksanović, Jelena and Kijevčanin, Mirjana and Šerbanović, Slobodan P. and Višak, Zoran P.",
year = "2013",
abstract = "Liquid-liquid and solid-liquid phase behaviors of the binary solutions of imidazolium [C(2)mim](+) or trihexyltetradecyl phosphonium [P-6,P-6,P-6,P-14](+) ionic liquids having triflate [OTf](-), bistriflamide [NTf2](-) or ethyl-sulfate [EtSO4](-) anions with poly(ethylene glycol) (PEG) of average molecular mass (Mw) 200, 400 and 2050, were studied. The respective temperature-composition phase diagrams were constructed thus mapping the homogeneous and heterogeneous regions of the studied solutions. The impact of cation, anion and of PEG polymer chain length on the studied phase behavior was investigated and discussed in the terms of the important interactions in the solutions - hydrogen bonds and ion-dipole interactions. Imidazolium cation showed significant advantage over the phosphonium in promoting both liquid-liquid and solid-liquid solubility. On the other hand, the anion effect was found to be dependent on the outcome of the interplay between cation-anion and anion-PEG interactions. As expected, longer PEG chain led to worse solubility with the studied ionic liquids. This study is a first step to explore the possibilities to use the studied (PEG + ionic liquid) solutions as potential sustainable hybrid materials or combined (mixed) solvents of tunable thermophysical properties and/or solvent power.",
publisher = "Elsevier Science Bv, Amsterdam",
journal = "Fluid Phase Equilibria",
title = ""Green Meets Green" - Sustainable solutions of imidazolium and phosphonium ionic liquids with poly(ethylene glycol): Solubility and phase behavior",
pages = "12-6",
volume = "344",
doi = "10.1016/j.fluid.2013.01.019"
}
Calado, M. S., Ivaniš, G., Vuksanović, J., Kijevčanin, M., Šerbanović, S. P.,& Višak, Z. P.. (2013). "Green Meets Green" - Sustainable solutions of imidazolium and phosphonium ionic liquids with poly(ethylene glycol): Solubility and phase behavior. in Fluid Phase Equilibria
Elsevier Science Bv, Amsterdam., 344, 6-12.
https://doi.org/10.1016/j.fluid.2013.01.019
Calado MS, Ivaniš G, Vuksanović J, Kijevčanin M, Šerbanović SP, Višak ZP. "Green Meets Green" - Sustainable solutions of imidazolium and phosphonium ionic liquids with poly(ethylene glycol): Solubility and phase behavior. in Fluid Phase Equilibria. 2013;344:6-12.
doi:10.1016/j.fluid.2013.01.019 .
Calado, Marta S., Ivaniš, Gorica, Vuksanović, Jelena, Kijevčanin, Mirjana, Šerbanović, Slobodan P., Višak, Zoran P., ""Green Meets Green" - Sustainable solutions of imidazolium and phosphonium ionic liquids with poly(ethylene glycol): Solubility and phase behavior" in Fluid Phase Equilibria, 344 (2013):6-12,
https://doi.org/10.1016/j.fluid.2013.01.019 . .
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Liquid-liquid and solid-liquid equilibria in the solutions of poly(ethylene glycol) with several organic solvents

Ivaniš, Gorica; Vuksanović, Jelena; Calado, Marta S.; Kijevčanin, Mirjana; Šerbanović, Slobodan P.; Višak, Zoran P.

(Elsevier, Amsterdam, 2012)

TY  - JOUR
AU  - Ivaniš, Gorica
AU  - Vuksanović, Jelena
AU  - Calado, Marta S.
AU  - Kijevčanin, Mirjana
AU  - Šerbanović, Slobodan P.
AU  - Višak, Zoran P.
PY  - 2012
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/2192
AB  - In this work, liquid-liquid and solid-liquid equilibria (LLE and SLE, respectively), at atmospheric pressure, of the solutions of poly(ethylene glycol) (PEG) with several organic solvents were studied. The studied solvents include benzene, toluene, o-xylene, p-xylene, tetrahydrofuran (THF), pyridine, nicotine, aniline, 1-hexanol, 1-octanol and 1-decanol. Previous and present solubility tests showed that pyridine, nicotine, THF and aniline are completely soluble in liquid PEG200 and PEG400. This study confirmed and extended the previous discoveries that PEG can adjust its polarity and may be soluble with both polar and non-polar compounds as well as that the addition of a methyl group dramatically reduces the solubility of PEG with arenes. These remarkable features were thoroughly reviewed and discussed. Further on, they were used to explain the new results brought by this work - LLE of the solutions of (liquid) PEG200/or PEG400 with xylene isomers and SLE of the solutions of (solid) PEG2050 with all the aforementioned compounds. Molar excess volumes (V-E) of the solutions (PEG200/or PEG400 + benzene/or toluene) were measured at 298.15 K - these results were used to additionally discuss and explain the LLE behavior of these solutions. Finally, the results of this study showed the possibilities for sustainable applications (i) of liquid PEG200/or PEG400 for the separation of of o-xylene from p-xylene and (ii) of (solid) PEG2050 for benzene, toluene, pyridine and aniline treatment.
PB  - Elsevier, Amsterdam
T2  - Fluid Phase Equilibria
T1  - Liquid-liquid and solid-liquid equilibria in the solutions of poly(ethylene glycol) with several organic solvents
EP  - 84
SP  - 74
VL  - 316
DO  - 10.1016/j.fluid.2011.12.013
ER  - 
@article{
author = "Ivaniš, Gorica and Vuksanović, Jelena and Calado, Marta S. and Kijevčanin, Mirjana and Šerbanović, Slobodan P. and Višak, Zoran P.",
year = "2012",
abstract = "In this work, liquid-liquid and solid-liquid equilibria (LLE and SLE, respectively), at atmospheric pressure, of the solutions of poly(ethylene glycol) (PEG) with several organic solvents were studied. The studied solvents include benzene, toluene, o-xylene, p-xylene, tetrahydrofuran (THF), pyridine, nicotine, aniline, 1-hexanol, 1-octanol and 1-decanol. Previous and present solubility tests showed that pyridine, nicotine, THF and aniline are completely soluble in liquid PEG200 and PEG400. This study confirmed and extended the previous discoveries that PEG can adjust its polarity and may be soluble with both polar and non-polar compounds as well as that the addition of a methyl group dramatically reduces the solubility of PEG with arenes. These remarkable features were thoroughly reviewed and discussed. Further on, they were used to explain the new results brought by this work - LLE of the solutions of (liquid) PEG200/or PEG400 with xylene isomers and SLE of the solutions of (solid) PEG2050 with all the aforementioned compounds. Molar excess volumes (V-E) of the solutions (PEG200/or PEG400 + benzene/or toluene) were measured at 298.15 K - these results were used to additionally discuss and explain the LLE behavior of these solutions. Finally, the results of this study showed the possibilities for sustainable applications (i) of liquid PEG200/or PEG400 for the separation of of o-xylene from p-xylene and (ii) of (solid) PEG2050 for benzene, toluene, pyridine and aniline treatment.",
publisher = "Elsevier, Amsterdam",
journal = "Fluid Phase Equilibria",
title = "Liquid-liquid and solid-liquid equilibria in the solutions of poly(ethylene glycol) with several organic solvents",
pages = "84-74",
volume = "316",
doi = "10.1016/j.fluid.2011.12.013"
}
Ivaniš, G., Vuksanović, J., Calado, M. S., Kijevčanin, M., Šerbanović, S. P.,& Višak, Z. P.. (2012). Liquid-liquid and solid-liquid equilibria in the solutions of poly(ethylene glycol) with several organic solvents. in Fluid Phase Equilibria
Elsevier, Amsterdam., 316, 74-84.
https://doi.org/10.1016/j.fluid.2011.12.013
Ivaniš G, Vuksanović J, Calado MS, Kijevčanin M, Šerbanović SP, Višak ZP. Liquid-liquid and solid-liquid equilibria in the solutions of poly(ethylene glycol) with several organic solvents. in Fluid Phase Equilibria. 2012;316:74-84.
doi:10.1016/j.fluid.2011.12.013 .
Ivaniš, Gorica, Vuksanović, Jelena, Calado, Marta S., Kijevčanin, Mirjana, Šerbanović, Slobodan P., Višak, Zoran P., "Liquid-liquid and solid-liquid equilibria in the solutions of poly(ethylene glycol) with several organic solvents" in Fluid Phase Equilibria, 316 (2012):74-84,
https://doi.org/10.1016/j.fluid.2011.12.013 . .
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