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Ionic liquid-modified dyes and their sensing performance toward acids in aqueous and non-aqueous solutions
张庆华 / 邓友全
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Six ionic liquid (IL)-modified dyes were synthesized and characterized. Compared to the methyl red and methyl orange, these IL-modified [MR]- or [MO]-based dyes exhibit lower melting points and enhanced solubility, and can be used as sensitive indicators towards free proton in both aqueous and non-aqueous solutions. This work also supplies a new concept of developing novel modified materials with the ILs.

★★★☆☆ Analyst, 2011, 136, 1302–1304