Hideaki Sakaida, Y. Kitazumi, T. Kakiuchi
Dec 15, 2010
Citations
0
Influential Citations
19
Citations
Journal
Talanta
Abstract
A moderately hydrophobic ionic liquid, tributyl(2-methoxyethyl)phosphonium bis(pentafluoroethanesulfonyl)amide ([TBMOEP(+)][C(2)C(2)N(-)]), shows a very stable liquid junction potential upon contact with an aqueous solution whose ionic strength is as low as 1 μ mol dm(-3). The stability with the maximum excursion of the potential within ± 0.5 mV for 30 min is very promising for accurate determination of pH and other single ion activities potentiometrically.