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Int. J. Mol. Sci. 2003, 4(11), 562-571; doi:10.3390/i4110562

Aggregation of Non Ionic Surfactant Igepal in Aqueous Solution: Fluorescence and Light Scattering Studies

Department of Chemistry, Jadavpur University, Calcutta – 700032, India
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Received: 5 June 2003 / Accepted: 14 October 2003 / Published: 25 October 2003
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Abstract

The association of the polyoxyethylene nonyl phenol (Igepal) in aqueous solution has been studied. The results of the fluorescence quenching of 1-Anthracene sulphonate and Safranine T in nonionic micellar solution of Igepal have been presented. The quenching process was exploited to estimate the aggregation number of surfactant monomer. In the Igepal series the micellar aggregation number systematically varied. From the dynamic light scattering studies in micellar solution the polydispersity of the medium and the diameter of the micelles have been determined. The diameters of the micelles have been increased with increase in the molar mass of surfactants. A reasonable estimation of the surface area of the head group in different micelles has been attempted.
Keywords: igepal; fluorescence; light scattering; aggregation; surface area igepal; fluorescence; light scattering; aggregation; surface area
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Ghosh, S.K.; Khatua, P.K.; Bhattacharya, S.C. Aggregation of Non Ionic Surfactant Igepal in Aqueous Solution: Fluorescence and Light Scattering Studies. Int. J. Mol. Sci. 2003, 4, 562-571.

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