摘要
利用甲基化衍生-高效液相色谱法检测北五味子[Schisandra chinensis(Turcz.)Bail.]中代森锰锌残留量。以BEH C18(2.1 mm×50 mm,1.7μm)为固定相;乙腈∶水(18∶82,V/V)为流动相;检测波长为272nm。结果表明,代森锰锌的平均回收率达97.0%,RSD为1.36%,最低检出限(LOD)为0.02 mg/kg,最低检测浓度(LOQ)为0.05 mg/kg,结果符合农药残留试验准则要求。北五味子样品中均未检出代森锰锌。
A methylation-derived UPLC for detecting mancozeb residue in Schisandra chinensis（Turcz.）Bail. was studied in this paper. The analysis was performed on the column of BEH C18（2.1 mm×50 mm,1.7 μm） with the mobile phase of acetonitrile-water（18 ∶82,V / V）, the wavelenth detected was 272 nm. The results showed that the average recovery reached 97.0%with RSD of 1.36%. The LOD and LOQ were 0.02 and 0.05 mg / kg,respectively. This satisfied results were fit for the testing standard of pesticide residue.No mancozeb residues was detected in the samples.
出处
《湖北农业科学》
2015年第12期3000-3002,共3页
Hubei Agricultural Sciences
基金
吉林省科技厅科技支撑计划项目(20110917)
