Chloride determination in ionic liquids by Villagran, C, Banks, C, Deetlefs, M, Driver, G, Pitner, W, Compton, R, Hardacre, C

“…The determination of chloride impurities in water miscible and water immiscible ionic liquids has been explored using ion chromatography (IC) and cathodic stripping voltammetry (CSV). …”

Electrochemical studies of gold and chloride in ionic liquids by Aldous, L, Silvester, D, Villagran, C, Pitner, W, Compton, R, Lagunas, M, Hardacre, C

“…For the first time, the electrochemistry of gold has been studied in detail in a 'second-generation', non-haloaluminate, ionic liquid. In particular, the electrochemical behaviour of Na[AuCl4] has been investigated in 1-butyl-3-methylimidazolium bis{(tifluoromethyl)sulfonyl}imide, [C 4mim][NTf2], over gold, platinum and glassy carbon working electrodes. …”

Electroanalytical determination of trace chloride in room-temperature ionic liquids. by Villagrán, C, Banks, C, Hardacre, C, Compton, R

“…Although other methods for chloride have been reported for [BF4](-)- and [PF6](-)-based ionic liquids, no methods have been reported for [NTf2](-) ionic liquids.…”

Voltammetric studies of gold, protons, and [HCl2](-) in ionic liquids by Aldous, L, Silvester, D, Pitner, W, Compton, R, Lagunas, M, Hardacre, C

Electrochemistry of Hg(II) salts in room-temperature ionic liquids. by Manan, N, Aldous, L, Alias, Y, Compton, R, Lagunas, M, Hardacre, C

“…The electrochemistry of HgCl(2) and [Hg(NTf(2))(2)] ([NTf(2)](-)=bis-{(trifluoromethyl)sulfonyl}imide) has been studied in room temperature ionic liquids. It has been found that the cyclic voltammetry of Hg(II) is strongly dependent on a number of factors (e.g., concentration, anions present in the mixture, and nature of the working electrode) and differs from that found in other media. …”

Electroreduction of sulfur dioxide in some room-temperature ionic liquids by Barrosse-Antle, L, Silvester, D, Aldous, L, Hardacre, C, Compton, R

“…The mechanism of sulfur dioxide reduction at a platinum microelectrode was investigated by cyclic voltammetry in several room-temperature ionic liquids (RTILs) - [C2mim][NTf2], [C4mim][BF 4], [C4mim][NO3], [C4mim]-[PF 6], and [C6mim][Cl] where [C2mim] is l-ethyl-3- methylimidazolium, [C4mim] is l-butyl-3-methylimida-zolium, [C 6mim] is l-hexyl-3-methylimidazolium, and [NTf2] is bis(trifluoromethylsufonyl)imide - with special attention paid to [C 4mim][NO3] because of the well-defined voltammetry, high solubility, and relatively low diffusion coefficient of SO2 obtained in that ionic liquid. …”

Use of room temperature ionic liquids in gas sensor design. by Buzzeo, M, Hardacre, C, Compton, R

“…A new design comprising a membrane-free microelectrode modified with a thin layer of a room temperature ionic liquid is considered. While the use of ionic liquid as electrolyte eliminates the need for a membrane and added supporting electrolyte, the slower diffusion of analyte within the more viscous medium results in slower time responses. …”

The reduction of oxygen in various room temperature ionic liquids in the temperature range 293-318 K: exploring the applicability of the Stokes-Einstein relationship in room temperature ionic liquids. by Huang, X, Rogers, E, Hardacre, C, Compton, R

“…Oxygen solubilities are also reported as a function of temperature. In the six ionic liquids, the Stokes-Einstein relationship (D proportional, variant eta(-1)) was found to apply only very approximately for oxygen. …”

Electrochemistry in Room-Temperature Ionic Liquids: Potential Windows at Mercury Electrodes by Rogers, E, Sljukic, B, Hardacre, C, Compton, R

“…The cathodic and anodic potential limits of eleven different ionic liquids were determined at a mercury hemisphere electrode. …”

Using XPS to determine solute solubility in room temperature ionic liquids. by Silvester, D, Broder, T, Aldous, L, Hardacre, C, Crossley, A, Compton, R

“…X-Ray Photoelectron Spectroscopy (XPS) was used to quantify the amount of bromide ions present in two samples of [C(4)mpyrr]Br dissolved in the room temperature ionic liquid (RTIL) [C(4)mpyrr][N(Tf)2]. One sample was of a known concentration (0.436 Br atom%); the other was a saturated solution. …”

Using Room Temperature Ionic Liquids as Solvents to Probe Structural Effects in Electro-Reduction Processes.... by Boldrin Zanoni, M, Rogers, E, Hardacre, C, Compton, R

Selecting Room-Temperature Ionic Liquids to Optimize Voltammetric Responses: The Oxidation of NADH by O'Mahony, A, Hardacre, C, Compton, R

“…The electrochemistry of nicotinamide adenine dinucleotide (NADH) in its reduced form was examined in two room-temperature ionic liquids (RTILs): 1-ethyl-3-methylimidazolium bis-(trifluoromethylsulfonyl)imide ([C2 mim] [NTf2]) and 1-butyl-3-methylimidazolium hexafluorophos-phate ([C4 mim] [PF6]). …”

Effect of Water on the Electrochemical Window and Potential Limits of Room-Temperature Ionic Liquids by O'Mahony, A, Silvester, D, Aldous, L, Hardacre, C, Compton, R

“…Cyclic voltammetry shows that an increase in water content significantly narrows the electrochemical window of each ionic liquid. The electrochemical window decreases in the following order: vacuum-dried > atmospheric > wet at 298 K > 318 K > 338 K. …”

The electrochemical reduction of hydrogen sulfide on platinum in several room temperature ionic liquids by O'Mahony, A, Silvester, D, Aldous, L, Hardacre, C, Compton, R

“…The electrochemical reduction of 1 atm hydrogen sulfide gas (H 2S) has been studied at a platinum microelectrode (10 μm diameter) in five room temperature ionic liquids (RTILs): [C2mim] [NTf 2], [C4mpyrr][NTf2], [C4mim][OTf], [C4mim][NO3], and [C4mim][PF6] (where [Cnmim]+ = 1-alkyl-3-methylimidazolium, [NTf 2]- = bis(trifluoromethylsulfonyl)imide, [C 4mpyrr]+ = N-butyl- N-methylpyrrolidinium, [OTf] - = trifluoromethlysulfonate, [NO3]- =nitrate, and [PF6]- = hexafluorophosphate). …”

Measuring the solubility of benzoic acid in room temperature ionic liquids using chronoamperometric techniques by He, W, Silvester, D, Streeter, I, Aldous, L, Hardacre, C, Compton, R

“…The electrochemical reduction of benzoic acid (BZA) has been studied at platinum micro-electrodes (10 and 2 |u̧m diameters) in acetonitrile (MeCN) and six room temperature ionic liquids (RTILs): [C2mim][NTf 2], [C4mim][NTf2], [C4mpyrr] [NTf2], [C4mim][BF4], [C4mim] [NO3] and [C4mim][PF6] (where [C nmim]+ = 1-alkyl-3-methylimidazolium, [NTf2]- = bis(trifluoromethylsulphonyl)imide, [C4mpyrr]+ = N-butyl-N-methylpyrrolidinium, [BF4]- = tetrafluoroborate, [NO 3]- = nitrate and [PF6]- = hexafluorophosphate) . …”

Mechanistic studies of the electro-oxidation pathway of ammonia in several room-temperature ionic liquids by Ji, X, Silvester, D, Aldous, L, Hardacre, C, Compton, R

“…A mechanistic study of the direct oxidation of ammonia has been reported in several room-temperature ionic liquids (RTILs), namely, [C4mim] [BF4], [C4mim][OTf], [C2IrUm][NTf2], [C4mim][NTf2], and [C4mim][PF6], on a 10 μm. diameter Pt microdisk electrode. …”

An electrochemical study of the oxidation of hydrogen at platinum electrodes in several room temperature ionic liquids. by Silvester, D, Aldous, L, Hardacre, C, Compton, R

“…The electrochemical oxidation of dissolved hydrogen gas has been studied in a range of room-temperature ionic liquids (RTILs), namely [C(2)mim][NTf(2)], [C(4)mim][NTf(2)], [N(6,2,2,2)][NTf(2)], [P(14,6,6,6)][NTf(2)], [C(4)mpyrr][NTf(2)], [C(4)mim][BF(4)], [C(4)mim][PF(6)], [C(4)mim][OTf], and [C(6)mim]Cl on a platinum microdisk electrode of diameter 10 microm. …”

Tuning solute redox potentials by varying the anion component of room temperature ionic liquids. by Xiong, L, Fletcher, A, Davies, S, Norman, SE, Hardacre, C, Compton, R

“…The difference in these potentials was found to be very sensitive to the anion component of the ionic liquid showing the scope of these solutes as 'designer media' to tune the thermodynamic properties of solutes dissolved in them.…”

The electrochemical oxidation of hydrogen at activated platinum electrodes in room temperature ionic liquids as solvents by Silvester, D, Ward, K, Aldous, L, Hardacre, C, Compton, R

“…The oxidation peaks are reported relative to the half-wave potential of the cobaltocenium/cobaltocene redox couple in all ionic liquids studied, giving an indication of the relative proton interactions of each ionic liquid. …”

Electrochemistry of phenol in bis{(trifluoromethyl)sulfonyl}amide ([NTf2](-)) based ionic liquids by Villagran, C, Aldous, L, Lagunas, M, Compton, R, Hardacre, C

“…Ag in both ionic liquids. On the cathodic sweep at a potential of -2.05 V vs. …”