Removal and measurement of trace amounts of rhodamine B in aqueous samples based on the synthesis of a nanosorbent composed of Fe₃O₄ nanoparticles modified with SiO₂ and polydopamine by magnetic solid phase extraction

Abstract

Rhodamine B (RDB) dyes are generally toxic and cause problems such as carcinogenic activities, neurological disorders, and respiratory tract irritations. However, some individuals still illegally use RDB as a food...