化学学报 ›› 1989, Vol. 47 ›› Issue (4): 389-392. 上一篇    下一篇

研究论文

应用GC/FTIR鉴定一些单萜类化合物的研究

张才华;孙菁;聂崇实   

  1. 中国科学院上海有机化学研究所
  • 发布日期:1989-04-15

Study on GG/FTIR identification of some monoterpenes

ZHANG CAIHUA;SUN JING;NIE CHONGSHI   

  • Published:1989-04-15

本文介绍毛细管GC/IR方法鉴定a-蒎烯在固体酸Nafion H催化下酯化及重排异构化的产物. 讨论了GC/IR方法定性的可靠性及存在的问题, 并对GC/IR实验方法, 作了较为详细的研究, 其中包括不同口经毛细管色谱柱与光管匹配问题和影响红外检测灵敏度的多种因素.

关键词: 红外分光光度法, 气相色谱, 萜类化合物, 蒎烯, 单萜

a-Pinene and its esterified reaction products were identified by capillary GC/FTIR spectroscopy. The GC/FTIR online library searches were performed on an expanded EPA vapor phase library. Comparison identifications by GC/mass spectroscopy were also carried out. The results indicate that GC/FTIR is a powerful tool for monoterpene identification. The conditions for matching the narrow-bore (internal diameter 0.2 mm) capillary column to the Digilab capillary lightpipe are discussed. The sensitivity for several monoterpenes is 10-8 g.

Key words: INFRARED SPECTROPHOTOMETRY, GAS CHROMATOGRAPHY, TERPENE, PINENE, MONOTERPENES

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