Pp. Vazquez et al., Reversed-phase liquid chromatographic column switching for the determination of N-methylcarbamates and some of their main metabolites in urine, J CHROMAT B, 738(2), 2000, pp. 387-394
A column switching system for the determination of some polar pesticides an
d their main metabolites, such as aldicarb, aldicarb sulphoxide, aldicarb s
ulphone, carbofuran and 3-hydroxicarbofuran, in human urine has been develo
ped, The limits of detection were between 0.3 and 1 mu g/l. We used a simpl
e solid-phase extraction with graphite carbon and a RPLC-LC analysis with U
V detection yielding average recoveries between 84 and 110% (N=5) with RSD
between 4 and 8%. (C) 2000 Elsevier Science B.V. All rights reserved.