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采用紫外分光光度法测定盐酸苯乙双胍片的含量，方法简便、快速、结果准确。平均回收率为１００．１４％，ＲＳＤ为０．２１％。
UV spectrophotometric determination of phenformin hydrochloride tablets, the method is simple, fast and accurate. The average recovery was 100.14% with a RSD of 0.21%.