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通脉灵片中原儿茶醛的含量测定
2021-02-23 12:13:45热度:148°C
目的:制订通脉灵片的含量测定方法。方法:采用高效液相色谱法,样品用乙醇稀释,在C18柱上以甲醇-0.05%磷酸溶液(5:95)为流动相,在波长280nm处检测。结果:在0.0217~0.4336μg范围内线性关系良好,r=0.9999,平均回收率为98.4%,RSD为0.8%。结论:本法灵敏、准确,简便易行,重现性好。完成机构:北京市药品检验所,北京100035
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