Abstract − Analytical Sciences, 22(8), 1051 (2006).
Efficient Precipitation of Dyes from Dilute Aqueous Solutions of Ionic Liquids
Maroof ALI, Abhra SARKAR, Mrituanjay D. PANDEY, and Siddharth PANDEY
Department of Chemistry, Indian Institute of Technology Delhi, Hauz Khas, New Delhi-110016, India
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.
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