College of Food Science and Engineering;
Jilin Agricultural University;
Changchun 130118;
China;
Jilin Province Product Quality Supervision and Inspection Institute;
Changchun 130103;
China;
College of Chemistry;
Jilin University;
2699 Qianjin Street;
Changchun 130012;
China;
Dynamic microwave-assisted extraction; Liquid phase microextraction; Gas chromatography; Organochlorine pesticides; Grain;