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The Research of the detection on the methyl bromide residues in the corn

1 Xuyanqiu,2 Miao xiaoliang,3 Dingtaichun,4 Zhang hao,5 Lixueqin(1.Henan Institute of Product Quality Supervision and Inspection Zhengzhou 450004;2.Grain & Food College,Henan University of Technology,Zhengzhou 450052)  
This research discussed a method for the determination of methyl bromide residues in corn by gas chromatography.The result shows that:using acid circumfluence and capillary chromatogram detection,This method was shown to be simple,sensitive and precise.Linear plots were obtained in range of 0.29~11.78 μg/mL withy the limit of detection(LOD)being of 0.02 mg/kg.And the correlation coefficient of standard analysis curve is 0.9987.
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