Efficient Precipitation of Dyes from Dilute Aqueous Solutions of Ionic Liquids

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Abstract

The addition of only ∼1.7 wt% (∼0.06 M) ionic liquid 1-butyl-3-methylimidazolium hexafluorophosphate to aqueous solutions of six popular cationic dyes resulted in the precipitation of almost all of the dye from the solution.

Journal

  • Analytical Sciences

    Analytical Sciences 22 (8), 1051-1053, 2006

    The Japan Society for Analytical Chemistry

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