A high performance liquid chromatography-diode array detection-electrospray ionization tandem mass spectrometry method was developed for analysis and identification of impurities in lovastatin.
利用高效液相色谱-二极管阵列检测器-质谱联用方法对洛伐他丁及其杂质成分进行分离分析和结构鉴定。
Electrospray ionization tandem mass spectrometry(ESI-MSn) was applied for simultaneous determination of norditerpenoid alkaloids in the roots of Aconitum kusnezoffii without any chemical isolation.
由于这些生物碱的结构相似，在电喷雾串联质谱中碎裂方式相同，因此根据电喷雾串联质谱结果确定了这些生物碱的结构。
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