Abstract − Analytical Sciences, 22(4), 489 (2006).
Analytical Method for Determining Iminoctadine Triacetate by LC/ESI/MS Using Hydrophilic Interaction Chromatography
Tatsuhiko KAWAMOTO, Miho YANO, and Nobuko MAKIHATA
Hyogo Prefectural Institute of Public Health and Environmental Sciences, Kobe 652-0032, Japan
A target value for iminoctadine triacetate residues in tap water was set at 6 µg/l in Japan. We have developed a highly selective and sensitive analytical method for iminoctadine triacetate by solid phase extraction LC/ESI/MS using hydrophilic interaction chromatography. The recovery rates at concentration of 0.06, 0.6, and 6 µg/l in distilled water, tap water, and raw water were 77.1 - 96.7%, and CV were 3.7 - 13.2%. The quantitation limit of the present method was 0.04 µg/l, and it was able to measure even one-hundredth of the target value of iminoctadine triacetate quantitatively.
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