Small volume laboratory on a chip measurements incorporating the quartz crystal microbalance to measure the viscosity-density product of room temperature ionic liquids.

Biomicrofluidics
N DoyR W Allen

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.

References

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Jul 18, 2006·Analytical Chemistry·Philippe DuboisMichel Vaultier
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Citations

May 18, 2011·Analytical Chemistry·Chiara MartinoJonathan M Cooper
Sep 8, 2011·Nature Communications·Mohammad A QasaimehDavid Juncker
Oct 7, 2011·The Review of Scientific Instruments·J-L DaridonJ Pauly
Aug 18, 2012·Journal of Molecular Recognition : JMR·Robert E Speight, Matthew A Cooper
Jul 27, 2011·Analytical Chemistry·F Fouzia OualiMichael I Newton
Jan 29, 2021·Analytical Chemistry·Tadas KartanasTuomas P J Knowles
Jul 3, 2021·Micromachines·Lourdes Méndez-MoraAurora Hernandez-Machado

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Methods Mentioned

BETA
chip
quartz crystal microbalance

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