Simultaneous determination of five strobilurin fungicides and the metabolite BF-500-3 in cereals, fruits and vegetables
作者： Xiangwei You , Wei Peng , Fengmao Liu , Kaiwei Shi , Yiqiang Li
DOI: 10.1080/03067319.2015.1077516
关键词:
摘要: A rapid and sensitive method for the simultaneous determination of five strobilurin fungicides metabolite BF-500-3 in cereals (maize wheat), fruits (grape apple) vegetables (cucumber tomato) was developed by a Quick, Easy, Cheap, Effective, Rugged Safe (QuEChERS) using high-performance liquid chromatography/tandem mass spectrometry (HPLC-MS/MS). The (kresoxim-methyl, picoxystrobin, pyraclostrobin, azoxystrobin trifloxystrobin) were extracted from six matrices acetonitrile subsequently cleaned up dispersive solid phase extraction (d-SPE) octadecylsilane (C18) as sorbent prior to HPLC-MS/MS analysis. compounds achieved less than 6.0 min an electrospray ionisation source positive mode (ESI+). This showed linearity with coefficients (R2) higher 0.9929. limits quantification (LOQs), defined lowest spikin...
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