Fourier transform infrared (FTIR) spectroscopy is used to measure organic and inorganic functional groups in ambient particulate matter. Recent publications are listed below.
Coury, C. Dillner, A.M., ATR-FTIR Characterization of Organic Functional Groups and Inorganic Ions in Ambient Aerosols at a Rural Site, Atmospheric Environment, 43, 940–948, 2009.
Coury, C., Dillner, A.M., A Method to Quantify Organic Functional Groups and Inorganic Compounds in Ambient Aerosols using Attenuated Total Reflectance FTIR Spectroscopy and Multivariate Chemometric Techniques, Atmospheric Environment, 41, 9309-9323, 2008.