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Emulsion stability and potassium leakage in emulsion liquid membrane systems

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Abstract

Potassium leakage was studied in liquid membrane systems containing various emulsifiers and compared with emulsion, stability in the storage test. The effects of various parameters upon emulsion stability and the leakage of standard traces are discussed. The transfer of cations can be caused by emulsion breaking, by transport with the specific carrier and/or with surfactants used as emulsifiers. The latter case becomes especially important when hydrophilic surfactants, e.g. ones containing polyoxyethylene chains, are present in liquid membranes. In systems containing hydrophobic emulsifiers the transfer of potassium is relatively low. In each case considered the effect of emulsifiers upon the transfer of the standard tracer should be checked prior to using the leakage test to characterize emulsion stability.

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Authors and Affiliations

  1. Institute of Chemical Technology and Engineering, Poznch Technical University, Pl. Skłodowskiej-Curie 2, 60-965, Poznań, (Poland)

    I. Miesiąc & J. Szymanowski

  2. University of Hannover, Hannover, (Germany)

    K. Schügerl

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  1. I. Miesiąc
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  2. K. Schügerl
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  3. J. Szymanowski
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Miesiąc, I., Schügerl, K. & Szymanowski, J. Emulsion stability and potassium leakage in emulsion liquid membrane systems. Journal of Radioanalytical and Nuclear Chemistry, Articles 163, 181–191 (1992). https://doi.org/10.1007/BF02037492

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  • DOI: https://doi.org/10.1007/BF02037492

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