The sample was dissolved with acetone containing an internal marker. After ultrasonic extraction, d-cyphenothrin in the sample solution was separated in a glass column packed with SE-30 and determined by flame ionization detection (FID).

• 样品溶于含有内标物的丙酮中,经超声波萃取后,用SE-30玻璃填充柱分离并用火焰离子化检测器测定右旋苯氰菊酯。