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Extraction by reversed micelles of triton N-42 for the spectrophotometric determination of cetyltrimethylammonium bromide

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Abstract

Micellar preconcentration of 1 : 2 associates of Bromophenol Blue with cetyltrimethylammonium bromide is proposed to improve the procedure for the spectrophotometric determination of cationic surfactants. The preconcentration procedure involves quantitative extraction by reversed micelles of Triton N-42 in decane followed by the decomposition of the micellar solution with chloroform. The loss of 10−7–10−5 M cetyltrimethylammonium bromide in 5–100-fold preconcentration was not supported by the added-found method (RSD = 3–5%). The determination limit for cetyltrimethylammonium bromide is 2 × 10−7 M.

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Authors and Affiliations

  1. Institute of Inorganic Chemistry, Siberian Division, Russian Academy of Sciences, pr. Akademika Lavrent’eva 3, 630090, Novosibirsk, Russia

    M. G. Demidova & A. I. Bulavchenko

Authors
  1. M. G. Demidova
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  2. A. I. Bulavchenko
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Translated from Zhurnal Analiticheskoi Khimii, Vol. 60, No. 1, 2005, pp. 17–21.

Original Russian Text Copyright © 2005 by Demidova, Bulavchenko.

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Demidova, M.G., Bulavchenko, A.I. Extraction by reversed micelles of triton N-42 for the spectrophotometric determination of cetyltrimethylammonium bromide. J Anal Chem 60, 12–15 (2005). https://doi.org/10.1007/s10809-005-0033-x

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  • DOI: https://doi.org/10.1007/s10809-005-0033-x

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