18(250 mm×4.6 mm,5 μm)色譜柱,以乙腈–水(24∶76)為流動相,體積流量1.0 mL/min;柱溫30 ℃;ELSD檢測器,漂移管溫度為75 ℃,加熱級別為66%,載氣壓力為172.4 kPa。結(jié)果 知母皂苷BII在0.62~7.79 μg呈良好的線性關(guān)系,平均回收率為98.75%,RSD 1.77%。結(jié)論 該方法簡便快捷、準(zhǔn)確可靠,為周絡(luò)通膠囊的質(zhì)量控制提供了依據(jù)。;Objective To establish a method for determining timosaponin BII in Zhouluotong Capsula by HPLC-ELSD. Methods ES AquaSep C18 column (250 mm × 4.6 mm, 5 μm) was used; The column temperature maintained at 30 ℃ of the ELSD; The mobile phase consisted of acetonitrile-water (24 : 76) at a flow rate of 1.0 mL/min; The temperature of drift tube was 75 ℃; The heating level was 66% and the nebulizernitrogen pressure was 172.4 kPa. Results Timosaponin BII had a good linearity relationship in the range of 0.62—7.79 μg. The average recovery was 98.75% (RSD = 1.77%). Conclusion The method is rapid, simple, and accurate, and could be used for quality control of Zhouluotong Capsula."/>

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首頁 > 過刊瀏覽>2011年第34卷第3期 >2011,34(3):187-189. DOI:10.7501/j.issn.0253-6376.[year].3.[sequence]
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HPLC-ELSD法測定周絡(luò)通膠囊中知母皂苷BII

Determination of timosaponin BII in Zhouluotong Capsule by HPLC-ELSD

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