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对中药桔梗、怀牛膝、华山参。鹿角胶、龟甲胶及阿胶进行了微量元素研究。结果发现：同一种中药因产地不同，其微量元素的含量不同。同一种植物药，其部位不同，所含微量元素多少不等。同一类型的中药，其品种、来源不同，微量元素的含量高低也不相同。本研究为今后对这些中药进行真伪鉴别，合理开发或综合利用都提供了科学的依据。
For Chinese medicine Campanulaceae, Achyranthes bidentata, Huashan ginseng. Antler gum, tortoiseshell gum and donkey-hide gelatin were studied for trace elements. As a result, it was found that the same kind of traditional Chinese medicine has different trace element contents due to different origins. The same kind of botanical medicine has different parts and contains many trace elements. The same type of traditional Chinese medicine, its variety, source, trace element content is not the same. This study provides scientific basis for the authenticity identification, reasonable development or comprehensive utilization of these traditional Chinese medicines.