College of Food Science;
Jilin Agricultural University;
Changchun 130118;
P.R.China;
College of Chemistry;
Jilin University;
Changchun 130012;
P.R.China;
Jilin Province Product Quality Supervision and Inspection Institute;
Changchun 130103;
P.R.China;
Dynamic microwave-assisted extraction; Quick; easy; cheap; effective; rugged; and safe(QuEChERS); Gas chromatographic spectrometry; Organophosphorus pesticide; Cereal;