CuSn(OH)6 nanoparticles as a novel adsorbent for the preconcentration of cadmium ions in onion extract
Source abstract
Abstract
Abstract The present study aims to develop a new preconcentration strategy for the determination of non-essential cadmium ions in red onion samples. Determination of the extracted cadmium ions was carried out using flame atomic absorption spectrometry for efficient and sensitive detection. The synthesis of CuSn(OH) 6 nanoparticles was accomplished via a single-step one-pot coprecipitation method under ambient conditions to obtain nanoparticles below 100 nm in size, which are particularly effective for preconcentration procedures. The morphology and structure of the nanoparticles were confirmed with different characterization techniques. Under the optimized conditions, the calibration curve of the presented method showed good linearity between 2.5 and 50 μg/L, with a detection limit of 0.84 μg/L. The accuracy of this method was confirmed by obtaining recoveries of spiked red onion extracts. This method offers a sensitive, efficient, and eco-friendly method for the separation/detection of trace cadmium ions in aqueous plant-derived matrixes, especially red onion extracts.
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Research context
OpenAlex topics: Analytical chemistry methods development · Electrochemical Analysis and Applications · Nanoparticles: synthesis and applications
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