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Abstract
Experiments carried out in vitro in the presence of anthraquinone allowed to simulate the photosensitized oxidation of linear and isoprenoid alkanes in the marine environment. The main acidic photoproducts formed after solar irradiation were identified by gas chromatography and gas chromatography/mass spectrometry and different mechanisms were proposed in order to explain their production. The detection of most of these photoproducts among the acidic compounds formed during the photodegradation of a petroleum fraction proved the suitability of anthraquinone as a model sensitizer for studies of the photochemical degradation of petroleum saturated hydrocarbons in water.