目的 建立毛細(xì)管氣相色譜法測定莫西沙星中的有機(jī)溶劑殘留量。方法 用INNOWAX毛細(xì)管氣相色譜柱，F(xiàn)ID檢測器，以乙腈為內(nèi)標(biāo)進(jìn)行測定。結(jié)果 乙醚、甲醇、N，N-二甲基甲酰胺（DMF）的線性范圍分別為50～800 μg/mL（r＝0. 999 8）、30～480 μg/mL（r＝0. 999 9）、8.8～140.8 μg/mL（r＝0. 999 6）；乙醚、甲醇、DMF的平均回收率分別為99.71%、100.3%、99.54%；RSD分別為1.87%、1.32%、1.67%（n＝9）。結(jié)論 該方法簡單、靈敏、準(zhǔn)確、重現(xiàn)性好，適用于莫西沙星中的有機(jī)溶劑殘留量的測定。

_Objective To develop a gas chromatography method for the determination of residual organic solvents in Moxifloxacin. _Methods The samples were injected into INNOWAX capillary column and analyzed with FID detector using acetonitrile as the internal standard. _Results The linear ranges of ethyl ether, methanol, and DMF were 50—800 μg/mL (r = 0. 999 8), 30—480 μg/mL (r = 0. 999 9), and 8.8—140. 8 μg/mL (r = 0. 999 6), respectively. The recoveries were 99.71%, 100.30%, and 99.54%; RSD were 1.87%, 1.32%, and 1.67%, respectively (n = 9). _Conclusion The method is simple, accurate, and sensitive with good reproducibility. It can be used for the determination of the residual organic solvents in Moxifloxacin.