Underthe
optimal conditions,themethodprovidedhighenrichmentfactorsrangingfrom364to434,goodline-
arities rangingfrom5to200ngg1 for metolcarb,baygonandmethiocarband10to200ngg1 for
carbofuran andisoprocarb,lowlimitsofdetectionrangingfrom0.58to2.06ngg1, andsatisfactory
spiked recoveries(between90.34%and101.98%withtherelativestandarddeviationvaluesfrom1.21%to
5.93%).