Summary
The preparation of small bore columns (1 mm i.d.) packed with reversed-phase materials is described. High efficiency (Hmin=2 dp), coupled with a small C term (0.005 sec) have been obtained so that high speed can be combined with sufficient resolution for the separation of complex organic mixtures. These columns have been used for the separation of air pollutants dispersed in different matrices (air, particulate matter and rain water). Practical applications include the determination of aldehydes in air and emission samples, PAHs, nitrated and oxygenated PAHs in dust sampled from the stack of an industrial emission or collected in a urban area and the analysis of organic components dissolved in rain water collected at a rural site. Specific detection of these pollutants has been achieved by connecting small bore columns to UV absorbance, voltammetric and fluorimetric detectors. Mass spectra of some specific components have been recorded using the off-line technique.
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Dedicated to Prof. Dr. A. Liberti on the occasion of his 70th birthday.
This work has been performed as a part of a Research Doctorate thesis to be discussed at the University of Rome.
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Draisci, R., Cecinato, A., Brancaleoni, E. et al. Preparation and performances of small bore columns packed with reversed-phase materials and their use for the evaluation of air pollutants. Chromatographia 23, 803–810 (1987). https://doi.org/10.1007/BF02311403
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DOI: https://doi.org/10.1007/BF02311403