Synthesis and application of magnetic ion imprinted polymer nanoparticles for selective extraction and preconcentration of Cd(II) in real samples

Document Type : Original Article

Authors

1 department analytical chemistry and pollutants, faculty of chemistry and petroleum sciences, shahid beheshti university, tehran, iran

2 department of analytical chemistry and pollutants, faculty of chemistry and petroleum science, shahid beheshti university, tehran, iran

Abstract

In this paper, a new magnetic ion imprinted polymer nanoparticles was synthesized and utilized for the selective and rapid extraction, preconcentration and determination of trace amounts of Cd(II) ion in water, soil and food samples. The parameters affecting preconcentration like pH, adsorption time, amount of sorbent, elution solvent, eluent volume and concentration and desorption time were optimized. Following the sorption and elution steps, Cd(II) ion was quantified by flame atomic absorption spectrometry. The limit of detection (LOD) and the relative standard deviations (RSDs) were 0.3 μg L-1 and 3.45% -5.63% (inter-day and intra-day), respectively. The sorption capacity of ion imprinted polymer was 66.35 mg g-1 for Cd(II) ion. Finally, the proposed method was applied for determination of Cd(II) ion in water, soil and food samples.

Keywords

References

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Applied Chemistry Today
Volume 15, Issue 55
June 2020
Pages 135-148

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