title: Small volume laboratory on a chip measurements incorporating the quartz crystal microbalance to measure the viscosity-density product of room temperature ionic liquids.
abstract: A microfluidic glass chip system incorporating a quartz crystal microbalance (QCM) to measure the square root of the viscosity-density product of room temperature ionic liquids (RTILs) is presented. The QCM covers a central recess on a glass chip, with a seal formed by tightly clamping from above outside the sensing region. The change in resonant frequency of the QCM allows for the determination of the square root viscosity-density product of RTILs to a limit of approximately 10 kg m(-2) s(-0.5). This method has reduced the sample size needed for characterization from 1.5 ml to only 30 mul and allows the measurement to be made in an enclosed system.
authors.forename: N
authors.initials: N
authors.lastname: Doy
authors.forename: G
authors.initials: G
authors.lastname: McHale
authors.forename: M I
authors.initials: MI
authors.lastname: Newton
authors.forename: C
authors.initials: C
authors.lastname: Hardacre
authors.forename: R
authors.initials: R
authors.lastname: Ge
authors.forename: J M
authors.initials: JM
authors.lastname: Macinnes
authors.forename: D
authors.initials: D
authors.lastname: Kuvshinov
authors.forename: R W
authors.initials: RW
authors.lastname: Allen