Abstract
An attempt was made to determine the organic sulfur compounds, usually contained in crude oil, as a marker of oil pollution in shellfish. Short-necked clam ( Tapea Angdala phillipinarum A. et Reeve) were maintained in a controlled laboratory environment and in water with a suspension of crude oil. Capillary column gas chromatography-mass chromatography of short-necked clam extract showed the presence of organic sulfur compounds of alkyl-benzothiophene (from C 1–C 6) and dibenzothiophene and alkyl-dibenzothiophene (C 1–C 4). These organic sulfur compounds are a marker of oil pollution of shellfish. Other organic aromatic compounds, naphthalene, alkyl-naphthalene (C 1–C 3), phenanthrene, alkyl-phenanthrene (C 1–C 3), pyrene and alkyl-pyrene (C 1) in soft body of short-necked clam were transferred from oil suspension to shellfish. The concentration factors of organic sulfur compounds according with lapse of time were determined by gas chromatography with an attached flame ionization detector.
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