NDLI: Magnetic nanoparticles modified with polyfuran for the extraction of polycyclic aromatic hydrocarbons prior to their determination by gas chromatography

Content Provider	Springer Nature Link
Author	Amiri, Amirhassan Baghayeri, Mehdi Kashmari, Milad
Copyright Year	2015
Abstract	We describe magnetite nanoparticles modified with polyfuran (PFu/Fe3O4) and their use as adsorbents for the solid-phase extraction of the polycyclic aromatic hydrocarbons (PAHs) naphthalene, fluorene and anthracene from water and urine samples. The PFu/Fe3O4 nanocomposite was characterized by Fourier transform infrared spectroscopy, scanning electron microscopy and vibrating sample magnetometry (VSM). The adsorbent was magnetically separated from the sample, extracted with dichloromethane, and the extracts were submitted to gas chromatographic analysis with flame ionization detection. The amount of adsorbent, adsorption and desorption time, salt addition and desorption solvent were optimized. The method displays detection limits (at an S/N ratio of 3) in the range from 5 to 20 pg mL−1, and the limits of quantification (at an S/N ratio of 10) are between 20 and 50 pg mL−1. Relative standard deviations (RSDs) for intra- and inter-day precision are 4.1–5.6, and 5.3–6.5 %, respectively. The feasibility of the method was demonstrated by extracting and determining PAHs in (spiked) real water and urine samples. Graphical Abstract Nanoparticles consisting of a magnetite (Fe3O4) core and a polyfurane (PFu) coating were synthesized and used for the extraction of polycyclic aromatic hydrocarbons (PAHs) from environmental water samples and from urine of smokers and non-smokers.
Starting Page	149
Ending Page	156
Page Count	8
File Format	PDF
ISSN	00263672
Journal	Microchimica Acta
Volume Number	183
Issue Number	1
e-ISSN	14365073
Language	English
Publisher	Springer Vienna
Publisher Date	2015-08-23
Publisher Place	Vienna
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Magnetic solid-phase extraction Magnetic nanoparticles Preconcentration Solid phase extraction Polycyclic aromatic hydrocarbons Gas chromatography Nanochemistry Nanotechnology Characterization and Evaluation of Materials Analytical Chemistry Microengineering
Content Type	Text
Resource Type	Article
Subject	Analytical Chemistry

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