Gas chromatography with surface ionization detection of nitro pesticides

Takahashi, Seiji, Nagamura, Futoshi, Sasaki, Miki and Fujii, Toshihiro Gas chromatography with surface ionization detection of nitro pesticides Chemical Papers, Vol.63, No. 5, 2009, 613-616

Document type: Článok z časopisu / Journal Article
Collection: Chemical papers  

Author(s) Takahashi, Seiji
Nagamura, Futoshi
Sasaki, Miki
Fujii, Toshihiro
Title Gas chromatography with surface ionization detection of nitro pesticides
Journal name Chemical Papers
Publication date 2009
Year available 2009
Volume number 63
Issue number 5
ISSN 0366-6352
Start page 613
End page 616
Place of publication Poland
Publisher Versita
Collection year 2009
Language english
Subject 250000 Chemical Sciences
Abstract/Summary A surface ionization gas chromatographic detector, based upon positive surface ionization, was used in capillary gas chromatography to sensitively and selectively detect nitro pesticides: pendimethalin, trifluralin, flumetralin. Higher sensitivity (better detection limit), substance specificity, and advantageous applicability are reported. Sensitivity to pendimethalin, trifluralin, and flumetralin was 1.4 C g−1, 1.1 C g−1, and 1.0 C g−1, respectively, with the linear range of operation greater than 1 × 105 for these compounds. The minimum detectable level was in the range of 10−13 g s−1. Compared with an atomic emission detector, SID provided a 110 times better detection limit for trifluralin.
 
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