A method is presented for the determination of difenoconazole residue in all kinds of foods by solid phase extraction-gas chromatography-negative chemical ionization mass spectrometry(SPE-GC-MS/NCI).

• 建立了一种用于各种食品中苯醚甲环唑残留量的气相色谱-负化学离子源质谱(GC-MS/NCI)检测方法。