Evaluation of two modified quick, easy, cheap, effective, rugged and safe (QuEChERS) sample preparation methods for the analysis of baclofen and gabapentin in feeds by liquid chromatography tandem mass spectrometry

•A LC–MS/MS method was firstly developed for baclofen and gabapentin in feeds.•Two QuEChERS sample preparation methods had been developed and compared.•Selectivity, linearity, trueness, precision, LOD and LOQ had been validated.•The whole method was fast, reliable, convenient and sensitive. This pap...

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