After ultrosonic - extracting and isolating by column chromatograph, the samples were measured by GC/MS with selected ion monitoring mode.Some PAHs were identified and quantitated in samples.

• 贻贝、牡蛎样品经超声提取、层析分离后,由GC巳/MS测定,采用选择性离子检测模式,定性、定量检出了几种多环芳烃。