A rapid method for determination of residues of cypermethrin, bifenthr in and cyfluthrin in apple and pear by capillary gas chromatography was develope d.

• 利用乙腈提取、氧化铝和弗罗里硅土填料净化的前处理方法,研究了采用毛细管气相色谱同时测定苹果、梨中氯氰菊酯、联苯菊酯和氟氯氰菊酯残留量的方法。