Fungicides were extracted from the matrix following a QuEChERS multiresidue method that uses acetonitrile as an extraction solvent [45,46]. The obtained extract was acidified with formic acid and then directly injected into the liquid chromatograph. Liquid chromatography with tandem mass spectrometry (LC-MS/MS) analyses were performed following the chromatographic conditions described by Cermeño and coworkers [47].
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