IDENTIFICATION OF VITAMIN-A, VITAMIN-D AND VITAMIN-E BY PARTICLE-BEAM LIQUID-CHROMATOGRAPHY MASS-SPECTROMETRY

被引:22
作者
CARERI, M [1 ]
LUGARI, MT [1 ]
MANGIA, A [1 ]
MANINI, P [1 ]
SPAGNOLI, S [1 ]
机构
[1] UNIV PARMA,DIPARTIMENTO FARMACEUT,I-43100 PARMA,ITALY
来源
FRESENIUS JOURNAL OF ANALYTICAL CHEMISTRY | 1995年 / 351卷 / 08期
关键词
D O I
10.1007/BF00323634
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
Particle beam (PB) high performance liquid chromatography (HPLC)-mass spectrometry (MS) has been studied to investigate its suitability for the analysis of fat-soluble vitamins, as an example of thermally labile substances. The PB LC-MS system has been used to detect and identify vitamins A, D and E in foods and multi-vitamin preparations. The qualitative performance of the PB interface has been evaluated by an examination of the working parameters. A rapid elution of the vitamins was obtained on a C8 reversed-phase column using an aqueous methanol mobile phase. Analyses have been carried out using both, electron (EI) and chemical(CI) ionization. Positive and negative-ion CI spectra of the compounds are discussed. When PB-MS conditions are optimized, the detection limits for the fat-soluble vitamins tested have been typically in the 0.6-25 ng range when using the selected-ion monitoring technique.
引用
收藏
页码:768 / 776
页数:9
相关论文
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