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

DOY, N., MCHALE, G., NEWTON, M.I., HARDACRE, C., GE, R., MACINNES, J.M., KUVSHINOV, D. and ALLEN, R.W., 2010. Small volume laboratory on a chip measurements incorporating the quartz crystal microbalance to measure the viscosity-density product of room temperature ionic liquids. Biomicrofluidics, 4 (1).

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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 ~ 10 kg m−2 s−0.5. This method has reduced the sample size needed for characterization from 1.5 ml to only 30 μl and allows the measurement to be made in an enclosed system.

Item Type: Journal article
Publication Title: Biomicrofluidics
Creators: Doy, N., McHale, G., Newton, M.I., Hardacre, C., Ge, R., MacInnes, J.M., Kuvshinov, D. and Allen, R.W.
Date: 2010
Volume: 4
Number: 1
Identifiers:
NumberType
10.1063/1.3353379DOI
Divisions: Schools > School of Science and Technology
Depositing User: EPrints Services
Date Added: 09 Oct 2015 10:21
Last Modified: 09 Jun 2017 13:27
URI: http://irep.ntu.ac.uk/id/eprint/11624

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