“…Therefore, it is important to find simple and effective methods for cleaning food products. 5 Common techniques used for cleaning metal ions in a complex matrix include cloud-point extraction, 8 solid-phase extraction (SPE), 9 liquid-phase micro-extraction, 10 liquid-liquid extraction, 11 solid-phase micro-extraction, 12 zeolite cation exchange, 13 chemical precipitation, 14 solvent extraction, 15 ion exchange, 16 sedimentation, 17 chemical treatment, 18 electro-chemical methods, 19 reverse osmosis 19 and adsorption. 20,21 Among the techniques described, adsorption has been highly attracted due to simplicity and cheapness.…”