Thermal Desorption Aerosol GC-MS (TAG)
Through funding from the DOE SBIR/STTR program, and in collaboration with the University of California, Berkeley, under the direction of Prof. Allen Goldstein, we have co-developed a gas chromatograph- mass spectrometry (GC-MS) system for atmospheric aerosols. This technology has been licensed to Aerodyne Research Inc. for incorporation into their Aerosol Mass Spectrometer as a dual inlet option
Our system yields approximate hourly concentrations for organic marker
compounds in atmospheric aerosols. An example chromatogram is shown
below. More detail is given in our publications.
Current efforts include improved quantification with in-situ
calibration standards, and adaptation of two-dimensional chromatography
for separation and analysis of polar compounds.