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采用反相高效液相色谱法对复方止咳宁中绿原酸进行了含量测定，以ＯＤＳ为色谱柱，甲醇－水－冰醋酸（２０∶８０∶１）为流动相，其方法回收率为９６．７６％，ＲＳＤ＝１．３％。试验证明，该法简便，重现性好，灵敏度高。
The content of chlorogenic acid in compound Zhikening was determined by reversed-phase high performance liquid chromatography. ODS was used as the column and methanol-water-glacial acetic acid (20:80:1) was used as the mobile phase. The recovery rate was 96. .76%, RSD = 1.3%. Tests have shown that the method is simple, reproducible, and highly sensitive.