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J.Health Sci., 56(1), 112-115, 2010
Simple and Rapid Determination of Organochlorine Pesticide Residues in Kampo Products by Gas Chromatography/Mass Spectrometry with Negative Chemical Ionization
Takaomi Tagami,* Keiji Kajimura,
Katsuhiro Yamasaki, Yoshiyuki Sawabe,
Chie Nomura, Shuzo Taguchi,
and Hirotaka Obana
Osaka Prefectural Institute of Public Health, 1-3-69 Nakamichi, Higashinari-ku, Osaka 537-0025, Japan
A simple, rapid and inexpensive sample preparation method using extraction by shaking and sulfuric acid treatment was developed for determining eight organochlorine pesticides in kampo products by gas chromatography/mass spectrometry with negative chemical ionization. The recoveries were between 71% and 117%, and most relative standard deviations were less than 10%. The proposed method was applied to twenty-three samples of kampo formulae, and no samples were contaminated by eight organochlorine pesticides over the quantification limit.
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