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https://doi.org/10.37358/Rev.Chim.1949

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Revista de Chimie (Rev. Chim.), Year 2017, Volume 68, Issue 10, 2256-2260

https://doi.org/10.37358/RC.17.10.5866

Claudia Simona Stefan, Elena Roxana Chiriac, Oana Dragostin, Elena Lacramioara Lisa, Maria Cioroi

Study of Benzoic Acid Solubility in Imidazolium Formate as Pure Ionic Liquid and Its Binary Aqueous Mixtures

Abstract:

The determination of benzoic acid (BAc) solubility in pure imidazolium formate (ImForm) and their aqueous mixtures of [ImForm/water], was performed by the acid-base titration of the saturated solutions. [ImForm/water] solutions were tested using an ImForm concentration ranging from 1.66-4.33 g/L. The BAc solubility in pure ionic liquid was compared with that of some common organic solvents reported in literature, such as: ethanol, chloroform, cyclohexane. The highest solubility of BAc was for pure ImForm (from 1073 g/L at 293 K up to 2200 g/L at 323 K), the determined values being superior to BAc solubility in organic solvents mentioned. The results confirm that the polar solvents, such as ImForm and ethanol, present the highest BAc solubility values. At 293 K, the mole fraction of BAc in pure ImForm was 2.8 times higher than the mole fraction of BAc in ethanol. The BAc solubility in binary mixtures [ImForm/water] was compared with that determined in [NaCl/water] mixtures. At the same salt concentration, ranging from 1.66 to 4.33 g/L, at a constant working temperature (323 K), the increasing concentration of NaCl lowers the solubility of BAc. In opposite, the increasing of ImForm concentration determines a considerable increase in BAc solubility into the [ImForm/water] mixture. At 277 K, for 1.66 g/L salt concentration in water, the BAc solubility in [salt/water] solvents shows very similar values (~1.3 g/L) for both [ImForm/water] and [NaCl/water]. If the temperature increases to 323 K, the BAc solubility in [ImForm/water] mixture is about 1.5 times higher than that of solubility in distillated water and 2.5 times higher compared to that in [NaCl/water]. It was concluded that the benzoic acid presents a great solubility in pure ImForm and in its [ImForm/water] aqueous mixture.
Keywords:
Protic ionic liquid; Imidazolium formate; NaCl aqueous solutions; Benzoic acid; Solubility of benzoic acid

Issue: 2017, Volume 68, Issue 10
Pages: 2256-2260
Publication date: 2017/11/15
https://doi.org/10.37358/RC.17.10.5866
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Creative Commons License
This article is published under the Creative Commons Attribution 4.0 International License
Citation Styles
Cite this article as:
STEFAN, C.S., CHIRIAC, E.R., DRAGOSTIN, O., LISA, E.L., CIOROI, M., Study of Benzoic Acid Solubility in Imidazolium Formate as Pure Ionic Liquid and Its Binary Aqueous Mixtures, Rev. Chim., 68(10), 2017, 2256-2260.

Vancouver
Stefan CS, Chiriac ER, Dragostin O, Lisa EL, Cioroi M. Study of Benzoic Acid Solubility in Imidazolium Formate as Pure Ionic Liquid and Its Binary Aqueous Mixtures. Rev. Chim.[internet]. 2017 Oct;68(10):2256-2260. Available from: https://doi.org/10.37358/RC.17.10.5866


APA 6th edition
Stefan, C.S., Chiriac, E.R., Dragostin, O., Lisa, E.L. & Cioroi, M. (2017). Study of Benzoic Acid Solubility in Imidazolium Formate as Pure Ionic Liquid and Its Binary Aqueous Mixtures. Revista de Chimie, 68(10), 2256-2260. https://doi.org/10.37358/RC.17.10.5866


Harvard
Stefan, C.S., Chiriac, E.R., Dragostin, O., Lisa, E.L., Cioroi, M. (2017). 'Study of Benzoic Acid Solubility in Imidazolium Formate as Pure Ionic Liquid and Its Binary Aqueous Mixtures', Revista de Chimie, 68(10), pp. 2256-2260. https://doi.org/10.37358/RC.17.10.5866


IEEE
C.S. Stefan, E.R. Chiriac, O. Dragostin, E.L. Lisa, M. Cioroi, "Study of Benzoic Acid Solubility in Imidazolium Formate as Pure Ionic Liquid and Its Binary Aqueous Mixtures". Revista de Chimie, vol. 68, no. 10, pp. 2256-2260, 2017. [online]. https://doi.org/10.37358/RC.17.10.5866


Text
Claudia Simona Stefan, Elena Roxana Chiriac, Oana Dragostin, Elena Lacramioara Lisa, Maria Cioroi,
Study of Benzoic Acid Solubility in Imidazolium Formate as Pure Ionic Liquid and Its Binary Aqueous Mixtures,
Revista de Chimie,
Volume 68, Issue 10,
2017,
Pages 2256-2260,
ISSN 2668-8212,
https://doi.org/10.37358/RC.17.10.5866.
(https://revistadechimie.ro/Articles.asp?ID=5866)
Keywords: Protic ionic liquid; Imidazolium formate; NaCl aqueous solutions; Benzoic acid; Solubility of benzoic acid


RIS
TY - JOUR
T1 - Study of Benzoic Acid Solubility in Imidazolium Formate as Pure Ionic Liquid and Its Binary Aqueous Mixtures
A1 - Stefan, Claudia Simona
A2 - Chiriac, Elena Roxana
A3 - Dragostin, Oana
A4 - Lisa, Elena Lacramioara
A5 - Cioroi, Maria
JF - Revista de Chimie
JO - Rev. Chim.
PB - Revista de Chimie SRL
SN - 2668-8212
Y1 - 2017
VL - 68
IS - 10
SP - 2256
EP - 2260
UR - https://doi.org/10.37358/RC.17.10.5866
KW - Protic ionic liquid
KW - Imidazolium formate
KW - NaCl aqueous solutions
KW - Benzoic acid
KW - Solubility of benzoic acid
ER -


BibTex
@article{RevCh2017P2256,
author = {Stefan Claudia Simona and Chiriac Elena Roxana and Dragostin Oana and Lisa Elena Lacramioara and Cioroi Maria},
title = {Study of Benzoic Acid Solubility in Imidazolium Formate as Pure Ionic Liquid and Its Binary Aqueous Mixtures},
journal = {Revista de Chimie},
volume = {68},
number = {10},
pages = {2256-2260},
year = {2017},
issn = {2668-8212},
doi = {https://doi.org/10.37358/RC.17.10.5866},
url = {https://revistadechimie.ro/Articles.asp?ID=5866}
}
 
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