Extraction preconcentration with anionic surfactants in acidic solutions |
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| Authors: | I. Yu. Goryacheva A. S. Loginov T. N. Lavrova M. A. Popov |
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| Affiliation: | (1) Chernyshevsky State University, ul. Astrakhanskaya 83, Saratov, 410026, Russia |
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| Abstract: | Extraction preconcentration with anionic surfactants in acidic solutions on the basis of the cloud point was studied. Advantages and disadvantages of this method were considered. Conditions of the phase separation of some anionic surfactants (sodium decyl sulfate, sodium dodecyl sulfate, sodium dodecyl sulfonate, and sodium dodecylbenzene sulfonate) in acidic solutions were studied. With the example of pyrene and its derivatives, it was demonstrated that these surfactants can be used for extraction preconcentration. Analytical characteristics of the determination of pyrene and its derivatives in model aqueous solutions by the fluorimetric method in combination with extraction preconcentration with sodium dodecyl sulfate were obtained |
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