✦ LIBER ✦

Direct Coupling of Semi-micro Liquid Chromatography and Sonic Spray Ionization Mass Spectrometry for Pesticide Analysis

✍ Scribed by Yukiko Hirabayashi; Yasuaki Takada; Atsumu Hirabayashi; Minoru Sakairi; Hideaki Koizumi

Publisher: John Wiley and Sons
Year: 1996
Tongue: English
Weight: 303 KB
Volume: 10
Category: Article
ISSN: 0951-4198
DOI: 10.1002/(sici)1097-0231(199612)10:15<1891::aid-rcm722>3.0.co;2-r

No coin nor oath required. For personal study only.

✦ Synopsis

Direct coupling of semi-micro liquid chromatography and sonic spray ionization mass spectrometry is demonstrated and shown to be a very powerful technique for pesticide analysis. Direct coupling is achieved by using a high flow rate of nitrogen gas in sonic spray ionization and a high operating temperature in the sampling orifice of the atmospheric ionization mass spectrometer. The detection limit for simazine is about 300 fmol based on quantitative analysis in the range between 1 pmol and 1 nmol. A mixture of three pesticides was successfully analyzed using semi-micro liquid chromatography/mass spectrometry.

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