Synthesis and surface studies of anionic gemini surfactant in the different counter-ions

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Abstract

The current communication is focused on preparation and effect of various counter-ions on micelle behavior of N-methylhexadecylamine and ethylene diaminetetraacetic acid dianhydride-based carboxylate anionic gemini surfactant (G16). Structure elucidation of G16 has confirmed by FT-IR,1H-NMR and13C-NMR. Further, the various surface studies of G16 in aqueous solution as well as in the presence of different counterions have been evaluated. The aqueous solution of G16 showed CMC i.e. 1.8 9 10-2 mmol/L whereas, tremendous reduction in CMC of G16 has been observed i.e. 6 9 10-3 mmol/L in the presence of 10-1 M sodium salicylate. In addition, the Krafft temperature of G16 was found to be<0 ºC, revealing higher solubility aspect of compound.

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Kumar, N., & Tyagi, R. (2015). Synthesis and surface studies of anionic gemini surfactant in the different counter-ions. International Journal of Industrial Chemistry, 6(1), 59–66. https://doi.org/10.1007/s40090-015-0032-1

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