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该文研究了APDC/MIBK萃取－石墨炉原子吸收光谱法测定高纯稀土氧化钐中的铜和铅.详细探讨了测定条件和萃取条件.该法简单,准确和适用.“,”In this paper,we have studied the meassuring condition and the extracting condition for the determination of trace copper and lead in highly pure samaria by extraction?GFAAS.Trace copper and lead in highly pure samaria were determined.The relative standard deviations are less than 6%,the recovery is 98?101%for copper and 93?100%for lead.The method is simple,accurate and practical.??