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Saitoh, T. et al.

Saitoh, Matsudo, Matsubara,

Micelle-mediated extraction for concentrating hydrophobic organic compounds.

An extraction method based on polymer-induced phase separation of aqueous micellar solutions of octyl-beta-D-thioglucoside (OTG) was assessed for concentrating hydrophobic analytes. Various hydrophobic compounds such as polycyclicaromatic hydrocarbons, alkylbenzenes, alkylphenols, chlorobenzenes, chlorophenols, phthalic esters, pesticides, and steroid hormones could be efficiently concentrated into a small volume of surfactant-rich phase, while hydrophilic matrix components remained in the bulk aqueous phase. The surfactant-rich phase containing concentrated OTG could be directly introduced into the hygro-organic mobile phase of high-performance liquid chromatography with ultra-violet photometric detection. The application of this method greatly enhanced the signal intensity in the chromatogram while reducing the interference of matrix components.[1]

References

Micelle-mediated extraction for concentrating hydrophobic organic compounds. Saitoh, T., Matsudo, T., Matsubara, C. Journal of chromatography. A. (2000) [Pubmed]

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