化学
色谱法
黄芪甲苷
根(腹足类)
色谱检测器
检出限
黄芪
高效液相色谱法
分析化学(期刊)
光散射
乙腈
散射
光学
植物
物理
生物
医学
替代医学
中医药
病理
作者
W. Li,John F. Fitzloff
出处
期刊:Journal of Chromatographic Science
[Oxford University Press]
日期:2001-11-01
卷期号:39 (11): 459-462
被引量:25
标识
DOI:10.1093/chromsci/39.11.459
摘要
A reverse-phase high-performance liquid chromatographic method is developed for the determination of astragaloside IV, a characteristic constituent in Radix Astragali. Samples are analyzed by means of a reverse-phase column (Zorbax Eclipse XDB C18) using acetonitrile and water under gradient conditions as the mobile phase for 30 min. An evaporative light-scattering detector is used and set at an evaporating temperature of 43°C with a nebulizing gas (compressed air) pressure of 3.4 bar. The detection limit (signal-tonoise ratio < 5) of astragaloside IV is 40 ng on-column.
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