Determination of anilazine in rape and rapeseed by LC-MS/MS
2022
DOU Yin-hua
<b>Objective：</b> A detection method was developed for benazolin residual in rape and rapeseed by High performance liquid chromatography-tandem mass spectrometry (HPLC-MS/MS). <b>Methods:</b> The rape and rapeseed were extracted with acetonitrile reagent, purified by Pesti Carb-NH<sub>2</sub>, separated by C<sub>18</sub> column, carried out with methanol-ammonium acetate aqueous solution, detected by HPLC-MS/MS. <b>Results:</b> The liner relation was good in the ranger of 0.01~1.00 μg/mL, and the coefficient of determination was 0.999, the limit of detection(LOD) was 0.008 mg/kg, with the limit of quantification (LOQ) of 0.027 mg/kg. At the spiking levels of 0.03, 0.06, 0.15 mg/kg, the recovery rate of the method was 73.3%~91.3%, and RSD was 4.4%~8.1%. <b>Conclusion:</b> The presedent treatment method is easily-conducing, efficient, and highly sensitive and selective, and it can be used to determine benazolin in rape and rapeseed.
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