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采用分光光度法测定排石冲剂中总黄酮的含量。本法简便、可靠。平均回收率为９９．５２％，ＲＳＤ为１．３７％。
Spectrophotometry was used to determine the content of total flavonoids in Paishi Granules. This law is simple and reliable. The average recovery rate was 99.52%, and the RSD was 1.37%.