Rapid proton diffusion in microfluidic devices by means of micro-LIF technique

Rapid proton diffusion in microfluidic devices by means of micro-LIF technique The micro-LIF (laser-induced fluorescence) technique was applied to the measurement of pH distributions in a chemically reacting flow in a microfluidic device. Two liquid streams were combined at the junction of a Y-shaped microchannel (100-μm width and 33-μm depth), and allowed to diffuse into each other and react. The results for non-reacting fluids (hydrochloric acid and water) show good agreement with theoretical values calculated using conventional diffusion. When a reaction occurred (hydrochloric acid and sodium hydroxide), a large difference between the measurement results and the theoretical values was observed, indicating rapid proton diffusion compared with the theoretically calculated values. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Experiments in Fluids Springer Journals

Rapid proton diffusion in microfluidic devices by means of micro-LIF technique

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Copyright © 2004 by Springer-Verlag
Engineering; Engineering Fluid Dynamics; Fluid- and Aerodynamics; Engineering Thermodynamics, Heat and Mass Transfer
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