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用HPLC测定盐酸美沙酮口服液的含量,平均回收率为100.17%,RSD<1%。用初均速法进行稳定性实验,在室温下贮存3.8年;光照对其含量有一定的影响。
The content of methadone hydrochloride oral solution was determined by HPLC with the average recovery of 100.17% and RSD <1%. The stability test was carried out with an average initial velocity method and stored at room temperature for 3.8 years. The light intensity had a certain influence on the content.