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以甲醇－水－乙酸（７５∶２０∶５）为流动相，在ＳｐｈｅｒｉｓｏｒｂＣ１８柱上，以对乙酰氨基酚为内标，用电化学检测器测定复方利血平片中利血平含量。其平均回收率为９９．０１％，ＲＳＤ为１．５１％。
Methanol - water - acetic acid (75:20:5) as the mobile phase, on the SpherisorbC18 column with paracetamol as an internal standard, electrochemical detection of reserpine reserpine tablets content. The average recovery was 99.01%, RSD was 1.51%.