In this paper, the trace cadmium in organism was determined by GFAAS with IL Fastac autosampler. A matrix modifier (NH4)2HPO4 was applied to determination.

• 本文采用金属涂层石墨管；结合使用(NH_4)_2HPO_4为基体改进剂及自动雾化淀积进样技术；对生物样品Cd的测定进行研究.