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A simple and expeditious method based on continuous solid-phase extraction and gas chromatography–mass spectrometry (GC–MS) was reported for the direct determination of 29 organic acids in food and beverages. A sorbent column packed with 80mg of LiChrolut EN–Supelclean ENVI-18 (1:1) was employed for extraction and clean-up purposes. After elution with 200μL of methanol, the methanolic extract was...
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