Electrochemical Measurement of Gold Oxide Reduction and Methods for Acid Neutralization and Minimization of Water in Wet Ionic Liquid
Document Type
Article
Publication Date
12-1-2014
Publication Title
Electroanalysis an International Journal Devoted to Electroanalysis, Sensors and Bioelectronic Devices
Volume
26
Issue
12
First page number:
2631
Last page number:
2638
Abstract
The formation and reduction of gold oxide in wet ionic liquid (IL), N‐trimethyl‐N‐butylammonium bis(trifluoromethanesulfonyl)imide, ([Me3NnBu][TFSI]) is examined. The water concentration is determined using both the charge and peak current from the reduction of gold oxide and compared directly with Karl Fischer data. The quantitative determination of water in the IL is demonstrated for concentrations between 0.09 and 0.74 by weight (w%). The treatment of wet IL with dry nitrogen or molecular sieves reduces the water below background levels. Finally, methods for acid neutralization and the reduction of water with molecular sieves are conducted to minimize their impact on subsequent electrochemical measurements.
Language
English
Repository Citation
Droessler, J. E.,
Czerwinski, K. R.,
Hatchett, D. W.
(2014).
Electrochemical Measurement of Gold Oxide Reduction and Methods for Acid Neutralization and Minimization of Water in Wet Ionic Liquid.
Electroanalysis an International Journal Devoted to Electroanalysis, Sensors and Bioelectronic Devices, 26(12),
2631-2638.
http://dx.doi.org/10.1002/elan.201400450