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Sulfur compounds as dibenzothiophene derivatives were used as pollution markers in oyster samples after oil spills. By means of high performance glass capillary gas chromatography (GC) fitted with flame photometric detector and mass fragmentography, specific fingerprints of DBT derivatives were obtained in oils and oyster samples. The retention indices of some alkylated DBT (C1 to C4) were measured.
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Friocourt et al. (1982) studied this question.
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