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Study the Effect of PVSA on the CMC of Brij-56 using Dye Solubilization Method

Author Affiliations

  • 1Department of Chemistry, JETís ZulalBhilajirao Patil College, Deopur, Dhule - 424002 (MS) India

Res.J.chem.sci., Volume 6, Issue (7), Pages 25-28, July,18 (2016)


The micellization and solubilization phenomenon of non-ionic surfactants has been studied by various methods such as cloud point determination, surface tension measurement, dye solubilization etc. in presence and in absence of additives. The solubilization phenomenonfor non-ionic surfactant Brij-56 with the water insoluble orange OT dye has been discussed. The effect of additive polyelectrolyte PVSA on the critical micelle concentration (CMC) of non-ionic surfactant Brij-56 has been studied in aqueous medium by measuring the absorbance of the pure Brij-56 aqueous system as well as Brij-56 and PVSA mixed aqueous system with Orange-OT dye using dye solubilization method. The absorbance increases with increasing concentration of pure Brij-56 in aqueous medium with Orange-OTdye. The absorbance of Brij-56 and PVSAmixed aqueous systems with Orange-OTdye also show same trend. The results of the investigation verify that, the CMC of pure Brij-56 decreases with increasing concentration of additive PVSA in aqueous medium. Therefore the effect of additive PVSA on the CMC of Biij-56 support to made probable evidence that the dye solubilization is complex phenomenon of micelles aggregation of surfactant monomers so as to perform various surface activities.


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