Salting-out assisted liquid-liquid extraction coupled to ultra-high performance liquid chromatography-tandem mass spectrometry for the determination of tetracycline residues in infant foods
Tetracycline determination in infant products by UHPLC–MS/MS. Optimization of SALLE by experimental design. Validation of the method in infant products based on meat and vegetables or milk. LOQs between 0.16 and 0.48 μg kg−1 with RSD values lower than 7.3%.