本文采用自制电热恒温石英管还原气化冷原子吸收光谱法，直接测定了六味地黄丸中的痕量汞。方法检出限为0·1PPb；回收率为90~98%；相对标准偏差为4.3%。该方法简便，重现性好，准确度高。可用于中成药中痕量汞的测定。Using a homemade device of the electric heated quartz-tube atomizer,including a con-trolling temperature unit and a continue hydride generator,trace mercury in samples of "liuWei Di Huang Wan"has been determined directly.The method is simple,convenient, and ofgood precision and high accuracy.It is a very practical method For the analysis of trace mer-cury- The determination limit is below O.1ppb,and the recovery is 90- 98%'国家教委重点实验室资
