Development of a compact supersonic jet/multiphoton ionization/time-of-flight mass spectrometer for the on-site analysis of dioxin, part II: Application to chlorobenzene and dibenzofuran

被引：22

作者：

Matsumoto, J

Nakano, B

Imasaka, T ^{[1
]}

机构：

[1] Kyushu Univ, Grad Sch Engn, Dept Appl Chem, Higashi Ku, Fukuoka 8128581, Japan

[2] Ulvac Kyushu Corp, Fukuoka 8191613, Japan

来源：

ANALYTICAL SCIENCES | 2003年 / 19卷 / 03期

关键词：

D O I：

10.2116/analsci.19.383

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A compact supersonic jet/multiphoton ionization/mass spectrometer (SSJ/MPI/MS) equipped with a single pump system was developed for use in the analysis of dioxin. A mass spectrum and multiphoton ionization spectrum were obtained for chlorobenzene and dibenzofuran using an optical parametric oscillator (OPO) for excitation and subsequent ionization. The detection limit for chlorobenzene (S/N = 3) was 0.3 ppb, which corresponds to an absolute amount of 0.1 pg. The rotational temperature was 35 K. This slightly high temperature can be attributed to the long nozzle throat used in the instrument.

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收藏

页码：383 / 386

页数：4

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