The concentrated sulfuric acid cleanup method. and AOAC official method for detecting BHC in rice were compared by using 14C-BHC as a tracer.

• 利用~(14)C-六六六；验证浓硫酸净化法与国际公认的美国化学家协会方法检测稻米中六六六农药残留量的结果表明；前者平均回收率达90.；0%25；平均相对标准偏差为8