色谱

色谱

• 研究论文 • 上一篇    下一篇

复杂基质中柠檬酸的液相微萃取

丁健桦,何海霞,杨新磊,罗明标,邱昌福,赵志刚

  

  1. Department of Applied Chemistry, East China Institute of Technology, Fuzhou 344000, China
  • 收稿日期:2007-07-12 修回日期:2007-09-27 出版日期:2008-01-30 发布日期:1984-09-25
  • 通讯作者: 丁健桦
  • 基金资助:

Extraction of citric acid in multi-matrixby liquid phase microextraction

DING Jianhua, HE Haixia, YANG Xinlei, LUO Mingbiao, QIU Changfu, ZHAO Zhigang

  

  1. Department of Applied Chemistry, East China Institute of Technology, Fuzhou 344000, China
  • Received:2007-07-12 Revised:2007-09-27 Online:2008-01-30 Published:1984-09-25
  • Contact: jianhua ding

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摘要：

建立了一种利用液相微萃取技术进行样品前处理、高效液相色谱进行测定的复杂基质中柠檬酸分析的简便方法。研究表明,该样品前处理方法集萃取、富集、净化为一步,具有快速、有效、绿色的特点;测定方法的线性范围为0.7～600 μg/mL,相关系数为0.9995,检测限为0.27 μg/mL (S/N=3),相对标准偏差小于5%。

关键词: 复杂基质 , 高效液相色谱, 柠檬酸, 液相微萃取, 中空纤维

Abstract:

A method for the determination of citric acid in multi-matrix by liquid phase chromatography with liquid phase microextraction (LPME) as sample-preparation technique is introduced. The method integrates extraction, enrichment and clean-up into a single step. It is a very fast, effective and virtually “green” sample-preparation technique, which provided a good linear range (0.7-600 μg/mL) with r2=0.9995, a low detection limit (0.27 μg/mL, S/N=3) and a satisfactory relative standard deviation (RSD<5%).

Key words: citric acid, high performance liquid chromatography (HPLC), hollow fiber, multi-matrix , liquid phase microextraction