What is it about?
For assessing the chemical activity of volatile chemicals dispersed in complicated fluids, a microfluidic device in conjunction with substrate integrated hollow waveguide (iHWG) and infrared spectroscopy has been created. It was demonstrated that, under thermodynamic equilibrium conditions, partial pressure measurements can be used to infer the chemical activity of a binary system.
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Why is it important?
Access to chemical activity parameters enables systematic studies on phase diagrams of complex fluids, the detection of aggregation processes, etc.
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This page is a summary of: Determining the Partial Pressure of Volatile Components via Substrate-Integrated Hollow Waveguide Infrared Spectroscopy with Integrated Microfluidics, Analytical Chemistry, March 2018, American Chemical Society (ACS),
DOI: 10.1021/acs.analchem.7b04425.
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