Thermodynamic analysis of micelles formation of anionic surfactant SDS in the presence of aqueous and aqueous solution of ionic liquid 1‐butyl‐3‐methylimidazolium chloride. (17th February 2021)

• Record Type: Journal Article
• Authors: Kumar, Harsh; Katal, Arjuna
• Is Part Of: Journal of physical organic chemistry. Volume 34:Number 7(2021)
• Page Start: n/a
• Page End: n/a
• Publication Date: 2021-02-17
• Subjects: 1‐butyl‐3‐methylimidazolium chloride -- fluorescence -- FTIR -- micellization -- SDS; Chemistry, Physical organic -- Periodicals; 547.1
• DOI: 10.1002/poc.4199
• Languages: English
• ISSNs: 0894-3230

Abstract

Abstract: In this study, the experimental conductivity, fluorescence, and UV spectroscopy study have been done for aqueous solutions of sodium dodecyl sulfate (SDS) and in aqueous ionic liquid (IL) 1‐butyl‐3‐methylimidazolium chloride [C4 mim][Cl] solutions at a temperature of 298.15 K. Experimental conductivity measurement has been done at different temperatures from 298.15 to 308.15 K. Moreover, the critical micelle concentrations (CMCs) of the mentioned systems were determined by different methods; furthermore, the CMC values have been utilized to originate the values of thermodynamical parameters of micellization like standard enthalpy of micellization ( Δ H m 0 ), the standard free energy of micellization ( Δ G m 0 ), and standard entropy of micellization ( Δ S m 0 ). Fourier transform‐infrared (FT‐IR) spectra have been recorded to investigate the interactions and structural changes that occurred in the mixed system. Work has been discussed in terms of the effect of the aqueous IL solution on the micellization process of the SDS. Abstract : Micellization behavior of sodium dodecyl sulfate (SDS) in aqueous solution of ionic liquid (IL) 1‐butyl‐3‐methylimidazolium chloride [C4mim][Cl] has been investigated. For this, conductivity, fluorescence, and Fourier transform‐infrared (FTIR) spectroscopic techniques have been employed. The increase in value of critical micelle concentration (CMC) has been observed with the increase in IL concentration.