Magnetic solid-phase extraction using poly(para-phenylenediamine) modified with magnetic nanoparticles as adsorbent for analysis of monocyclic aromatic amines in water and urine samples

Journal of Chromatography. a
Amirhassan AmiriSomayeh Nori

Abstract

In the present work, a simple and effective method based on magnetic separation has been developed for the extraction of monocyclic aromatic amines in water and urine samples using poly(para-phenylenediamine) modified with Fe3O4 nanoparticles (PpPD/Fe3O4) as an adsorbent. The chemical structures of the sorbent were characterized by field emission scanning electron microscopy (FESEM) and Fourier transform infrared spectrophotometer (FT-IR). Various parameters affecting on the extraction efficiency of desired analytes, such as pH of solution, desorption conditions, extraction time, salt effect and amount of adsorbent have been investigated and optimized. The obtained optimal conditions were: sample pH, 6; amount of sorbent, 20mg; sorption time, 2min; elution solvent and its volume, dichloromethane and chloroform (3:1 v/v), 250μL; elution time, 30s and without addition of NaCl. Under the optimum conditions, detection limits in the range of 0.007-0.01ngmL(-1) were obtained by gas chromatography-flame ionization detector (GC-FID). The calibration curves were linear in the range 0.05-100ngmL(-1) with a correlation coefficient better than 0.9953. In addition, a satisfactory reproducibility was achieved by evaluating the intra- and int...Continue Reading

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May 9, 2014·Journal of Pharmaceutical and Biomedical Analysis·Jincan HeGongke Li

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Citations

Jul 17, 2018·Journal of Analytical Toxicology·Shrila MazumderTiffany H Seyler
Aug 28, 2020·Analytical Methods : Advancing Methods and Applications·Arezoo HabibagahiCariton Kubwabo
Jan 13, 2021·Inorganic Chemistry·Shadi DerakhshanradChris Ritchie

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