1.Objective:To determine the pesticide hexachlorocyclohexane(BHC),dich lorodiphenyl trichloroethane(DDT)and pentachloronitrobenzene(PCNB)contents in home-planted Hedyotis diffusa Willd.
检测家种白花蛇舌草中六六六(BHC)、滴滴涕(DDT)、五氯(PCNB)的残留量。
2.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.