Abstract:A photoionization system has been developed for flow injection and liquid chromatographic applications that employs photovoltaic rather than traditional photoconductive detection. This detection system utilizes an excimer laser at 248 nm (5.0 eV) to achieve one-photon excitation in alcoholic, aqueous, and ionic solutions. The photovoltaic response is reported for a variety of solutes including aliphatic and aromatic amines, aldehydes, ketones, carboxylic acids, and halogenated compounds. The photovoltaic metho… Show more
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