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  • Detection of small differences in the hydrophilicity of ions using the LCST-type phase transition of an ionic liquid-water mixture.

Detection of small differences in the hydrophilicity of ions using the LCST-type phase transition of an ionic liquid-water mixture.

Chemical communications (Cambridge, England) (2012-11-21)
Shohei Saita, Yuki Kohno, Hiroyuki Ohno
ABSTRACT

The phase separation temperature of the tetrabutylphosphonium trifluoroacetate-water mixture, which undergoes a lower critical solution temperature-type phase transition, is highly sensitive to the hydrophilicity of added salts; this system can be used to compare the hydrophilicity of the added ions.

MATERIALS
Product Number
Brand
Product Description

Sigma-Aldrich
Tetrabutylphosphonium bromide, 98%
Sigma-Aldrich
Tetrabutylphosphonium chloride, 96%