Objective:To determine the pesticide hexachlorocyclohexane(BHC),dich lorodiphenyl trichloroethane(DDT)and pentachloronitrobenzene(PCNB)contents in home-planted Hedyotis diffusa Willd.

检测花蛇舌草中六六六(BHC)、滴滴涕(DDT)、五氯硝基苯(PCNB)残留量。

The standard deviations were 0.06 and 0.14 for Phoxim and Quintozene repectively,while the coefficients of variation were 1.14% and 1.34%.The average recoveries were 99.5 and 99.2% separately.

辛硫磷和五氯硝基苯标准偏差0.06和0.14,变异系数1.14%和1.34%,平均回收率99.5%和99.2%。