The determination of trace lead in Huaiyao after separating and enriching with sulfhydryl cotton by FAAS is described in this paper.The enriching and eluting conditions were studied.

• 通过巯基棉分离富集后,采用火焰原子吸收方法成功测定了怀药(怀山药、怀牛膝、怀菊花、)中的痕量铅,并对富集铅的条件及洗脱条件、干扰因素进行了探讨。