International Journal of Drug Development and Research

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Polyaniline-dicationic ionic liquid coated with magnetic nanoparticles composite for magnetic solid phase extraction of polycyclic aromatic hydrocarbons in environmental samples

8th Edition of International Conference on Mass Spectrometry
March 12-13, 2018 London, UK

Muggundha Raoov

University of Science, Malaysia

Posters & Accepted Abstracts: Int J Drug Dev & Res


In this present study, magnetic nanoparticles (MNPs) nanocomposites modified with polyaniline (PANI) coated newly synthesised dicationic ionic liquid (DICAT) forming MNPPANI-DICAT were successfully synthesised as new generation materials for magnetic solid phase extraction (MSPE). MNPPANI-DICAT was characterised by FT-IR NMR, CHN, BET, SEM, TEM, and VSM techniques and the results were compared with MNP-PANI and native MNP. This new material was applied as a magnetic adsorbent for the pre-concentration of polycyclic aromatic hydrocarbons (PAHs). Under the optimal conditions, the proposed method was evaluated and applied for the analysis of PAHs in environmental samples using gas chromatography-mass spectrometry (GC-MS). The validation method showed good linearity (0.005â??500 ?µg L-1) with the coefficient of determination (R2)>0.999. The limits of detection (LOD) and quantification (LOQ) of the developed method (MNP-PANI-DICAT-MSPE) were in the range of 0.0008â??0.2086 ?µg Lâ??1 and 0.0024â??0.6320 ?µg L-1, respectively. The enrichment factor (EF) of PAHs on MNP-PANIDICAT-MSPE were in the range of 7.546â??29.632. The extraction recoveries of natural water, sludge, and soil samples were ranged from 80.2% to 111.9% with relative standard deviation (RSD) less than 5.6%. The newly synthesised MNP-PANI-DICAT possess good sensitivity, reusability, and fast extraction of PAHs under the MSPE procedure in various environmental samples. [email protected]