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Thermodynamic properties of ibuprofen sodium salt in aqueous/urea micellar solutions at 298.15 K

  • Physical Chemistry of Solutions
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Abstract

Thermodynamic, surface and micellar properties of anti-inflammatory drug sodium 2-(4-isobutylphenyl) propionate (sodium salt of ibuprofen (NaIBF)) in aqueous/urea solution were studied by surface tension measurements at 298.15 K in the presence of anionic surfactant sodium dodecylsulfate (SDS). Critical micelle concentration (cmc), surface tension at cmccmc), maximum Gibbs surface excess (Γmax), minimum surface area per surfactant molecule at the air/water interface (A min) etc. were determined in pure water as well as in aqueous urea solution. The theories of Clint, Rosen and Rubingh have been applied to describe the interactions between these amphiphiles at the interface and in the micellar solution. Various thermodynamic parameters have been calculated and discussed in detail.

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Correspondence to Malik Abdul Rub.

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Azum, N., Asiri, A.M., Rub, M.A. et al. Thermodynamic properties of ibuprofen sodium salt in aqueous/urea micellar solutions at 298.15 K. Russ. J. Phys. Chem. 91, 685–691 (2017). https://doi.org/10.1134/S0036024417040173

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  • DOI: https://doi.org/10.1134/S0036024417040173

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