In order to investigate the situation of pesticide residues in scallions in Anqiu city,25 pesticide residues in 594 scallions samples in Anqiu city(12 town blocks)were quantitatively analyzed by liquid chromatography-triple quadrupole tandem mass spectrometry.The results showed that 62 scallions samples in the 594 scallions samples were positive for pesticide residues,the detection rate was 10.4%,and the qualification rate was 99.3%.Among the 25 pesticide residues monitored,5 pesticide residues were detected,who were commonly used in agricultural production of low-toxic drugs.No highly toxic pesticides and prohibited pesticides were detected.
scallionsAnqiu citypesticide residuesliquid chromatography-triple quadrupole tandem mass spectrometry(LC-MS/MS)
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万方数据
