This dissertation aims at a kind of gas chromatography method of rapid detection of prochloraz and its degradation products in orange.Using this simple and effective method,many samples may be treated at one time without large quantities of glassware and solvent.Therefore it has more practical advantages than the previous methods.Detection limit of this method are 0.002 mg/kg,the average recoveries are 81.5% ~96.0%.Moreover,degradation curve an...