Summary
A selective and simple procedure has been set up, suitable for determining the content of the undissociated fraction of mono-and dicarboxylic acids in atmospheric suspended particles. It comprises the soxhlet extraction of samples with a dichloromethane-acetone mixture, solvent replacement with methanol and water and, finally, ion chromatographic analysis (HPIC) operated in the gradient mode. The application of the method to airborne particles collected in different locations, worldwide (urban, forest and remote) is discussed.
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Cecinato, A., Amati, B., Di Palo, V. et al. Determination of short-chain organic acids in airborne aerosols by ion chromatography. Chromatographia 50, 670–672 (1999). https://doi.org/10.1007/BF02497301
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DOI: https://doi.org/10.1007/BF02497301