Investigation of the inter-ionic interactions of an imidazolium-based ionic liquid with the aqueous solutions of tripotassium citrate and trisodium citrate through volumetric, acoustic and FTIR routes

Pattanaik, Sudhansu Sekhar; Nanda, Binita; Panda, Smita Rani; Dalai, Biswajit; Nanda, Braja B.

doi:10.1016/j.molliq.2022.118644

Cited by 3 publications

(2 citation statements)

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“…It also has technical uses including usage as emulsifying and buffering agents in the food, beverage, cosmetic, and pharmaceutical sectors. 7 Further, preservatives are added to the food to stop microbial development or unfavorable chemical changes causing food to decompose. Many preservatives used in the food industry are benzoate-based and work as bacteriostatic and fungistatic agents in acidic foods and beverages, such as vinegar, jams, carbonated beverages, fruit juice, and sauces.…”

Section: Introductionmentioning

confidence: 99%

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Explorations on Solute–Solvent Interactions of Tripotassium Citrate and Sodium Benzoate in Aqueous 1-Ethyl-3-methylimidazolium Ethyl Sulfate Solutions: Physicochemical, Spectroscopic, and Computational Approaches

Singh,

Majid,

Richu

et al. 2023

J. Chem. Eng. Data

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The present research work is concerned with the thermophysical properties of tripotassium citrate and sodium benzoate in aqueous (0.10, 0.15, and 0.20) mol·kg–1 1-ethyl-3-methylimidazolium ethyl sulfate solutions at temperatures ranging (293.15–313.15) K and 101.3 kPa pressure. The experimentally acquired density, sound speed, and viscosity data have been employed to determine numerous densimetric, acoustic, and viscometric parameters including the apparent molar volumes (V ϕ), partial molar volumes at infinite dilution (V ϕ 0), limiting apparent molar expansibilities (E ϕ 0), apparent molar isentropic compressibilities (K ϕ,s), transfer properties, hydration number (n H), viscosity B-coefficients, and thermodynamic parameters of viscous flow (Δμ1 0, Δμ2 0, ΔH 2 0, and TΔS 2 0). The above-mentioned parameters have been evaluated for the examination of interactions that are prevailing among tripotassium citrate/sodium benzoate and 1-ethyl-3-methylimidazolium ethyl sulfate in an aqueous medium. In addition, UV spectral analysis was used for the examination of interactions existing among the considered systems. Furthermore, the band gaps between the highest occupied molecular orbital and the lowest unoccupied molecular orbital for the studied systems and the interaction characteristics have been calculated using density functional theory. The obtained results inferred the predominance of the hydrophilic–hydrophilic interactions in the systems under investigation.

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Section: Introductionmentioning

confidence: 99%

“…Tripotassium citrate can be used to prevent kidney stones from forming (caused by either cysteine or uric acid). It also has technical uses including usage as emulsifying and buffering agents in the food, beverage, cosmetic, and pharmaceutical sectors …”

Section: Introductionmentioning

confidence: 99%