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用PGC法,侧得药材川芎中川芎嗪含量为0.43±0.021%,标准差为1.29×10~(-2),变异系数为3.0%
By PGC method, the content of tetramethylpyrazine in medicinal materials Chuanxiong was 0.43±0.021%, the standard deviation was 1.29×10-2, and the coefficient of variation was 3.0%.