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为了更好地综合利用紫背天葵 ,将紫背天葵分为四个等级 ,用等离子体原子发射光谱法对四个等级的紫背天葵微量元素含量分别进行了测定。结果表明 ,不同部位的紫背天葵微量元素含量存在着一定的差别
In order to make a comprehensive use of Radix miltiorrhiza, Siberian milfoil was divided into four grades. The content of trace elements in the four grades of Radix et Rhizoma was determined by plasma atomic emission spectrometry. The results show that there are certain differences in the trace element contents of different parts of Radix mirabilis.