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高效液相色谱分离-在线光化学衍生/荧光光谱法测定5种水溶性维生素的研究
引用本文:刘珺,方芳,陈婷,段华玲,弓振斌.高效液相色谱分离-在线光化学衍生/荧光光谱法测定5种水溶性维生素的研究[J].分析测试学报,2011,30(10):1100-1106.
作者姓名:刘珺  方芳  陈婷  段华玲  弓振斌
作者单位:1. 厦门大学,近海海洋环境科学国家重点实验室,福建,厦门,361005;厦门大学海洋与环境学院,福建,厦门,361005
2. 厦门大学海洋与环境学院,福建,厦门,361005
基金项目:University research grant from Agilent Technologies Foundation,USA
摘    要:建立了高效液相色谱分离-在线光化学衍生/荧光光谱法测定水溶性维生素烟酸(NIA)、烟酸胺(NIC)、B1、B12及B2的新方法.以含有0.018 mol/L三乙胺、0.002 mol/L庚烷磺酸钠的0.05 mol/L磷酸盐缓冲液(A相,pH 5.8)和甲醇(B相)为流动相(85:15),等度洗脱分离5种水溶性维生素;...

关 键 词:水溶性维生素  光化学衍生  荧光检测  高效液相色谱

Simultaneous Determination of 5 Water-soluble Vitamins by HPLC with On-line Photochemical Derivatization and Fluorescence Detection
LIU Jun,FANG Fang,CHEN Ting,DUAN Hua-ling,GONG Zhen-bin.Simultaneous Determination of 5 Water-soluble Vitamins by HPLC with On-line Photochemical Derivatization and Fluorescence Detection[J].Journal of Instrumental Analysis,2011,30(10):1100-1106.
Authors:LIU Jun  FANG Fang  CHEN Ting  DUAN Hua-ling  GONG Zhen-bin
Institution:LIU Jun1,2,FANG Fang2,CHEN Ting2,DUAN Hua-ling1,GONG Zhen-bin1,2 (1.State Key Laboratory of Marine Environmental Science,Xiamen University,Xiamen 361005,China,2.College of Oceanography & Environmental Science,China)
Abstract:A high performance liquid chromatographic(HPLC) method using on-line photochemical derivatization and fluorescence detection was developed for the simultaneous determination of nicotinic acid(NIA),nicotinamide(NIC),thiamine hydrochloride(B1),riboflavin(B2) and cyanocobalamin(B12).A self-built time/energy programmed photochemical reactor(PCR) with an ultraviolet mercury lamp was installed between the diode-array detector(DAD) and fluorescence detector(FLD) to convert the non-or weakly fluorescent vitamins in...
Keywords:water-soluble vitamins  photochemical derivatization  fluorescence detection  high performance liquid chromatography
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