Analysis of anthelmintics in surface water by ultra high performance liquid chromatography coupled to quadrupole linear ion trap tandem mass spectrometry

•A fast and sensitive analytical method was developed to analyse anthelmintics in surface water.•Detection limits in low ngL−1 level was achieved.•Research demonstrates the presence of anthelmintics in Llobregat River (Spain) in low ngL−1 level.•Levamisole has been the most frequent and the most abu...

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