【摘要】 采用乙酸乙酯萃取和GC-FPD检测的方法,研究了甲胺磷农药在苹果果皮、全果及果肉中的残留分布规律.结果表明,果皮中甲胺磷农药残留最多,全果中次之,果肉中最少;喷药13 d后,果皮、全果及果肉中的残留量分别为0.040 mg/kg、0.023 mg/kg和0.019 mg/kg;随着喷药时间的延长,果皮和全果中的农药残留量降低,果肉中的甲胺磷残留趋势为先升高后逐渐降低.更多还原

【Abstract】 The methamidophos residual in apple is extracted by ethyl acetate and analyzed by gaseous(_phase) chromatogram(GC) and GC_FPD detector.It is shown that thirteen days after spraying,the methamidophos residues in apple pericarp,whole apple and pulp are 0.040 mg/kg,0.023 mg/kg and 0.019 mg/kg respectively.With the prolonging of spraying time,the methamidophos residuals in apple pericarp and whole apple are reducing,and that of the pulp go up first and then down.更多还原