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通过用冷蒸气原子吸收分光光度法测定乌鸡白凤丸等中成药和其相应的原药粉中汞含量，了解到原药粉中汞含量对其相应成品中药汞含量高低的影响情况。
By using cold vapor atomic absorption spectrophotometry to determine the mercury content of Wuji Baifeng Pills and other Chinese patent medicines, the effect of mercury content in the original drug powder on the level of mercury in finished Chinese medicines was determined.