Shahriman, Mohamad Shariff and Ramachandran, Muggundha Raoov and Zain, Nur Nadhirah Mohamad and Mohamad, Sharifah and Manan, Ninie Suhana Abdul and Yaman, Suhaila Mohd (2018) Polyaniline-dicationic ionic liquid coated with magnetic nanoparticles composite for magnetic solid phase extraction of polycyclic aromatic hydrocarbons in environmental samples. Talanta, 178. pp. 211-221. ISSN 0039-9140, DOI https://doi.org/10.1016/j.talanta.2017.09.023.
Full text not available from this repository.Abstract
In this present study, magnetic nanoparticles (MNPs) nanocomposites modified with polyaniline (PANI) coated newly synthesised dicationic ionic liquid (DICAT) forming MNP-PANI-DICAT were successfully synthesised as new generation material for magnetic solid phase extraction (MSPE). MNP-PANI-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 and separation of polycyclic aromatic hydrocarbons (PAHs) due to the π–π interaction between polyaniline shell and dicationic ionic liquid (DICAT) with PAHs compounds. 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 (0.005–500 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 0.0008–0.2086 µg L−1 and 0.0024–0.6320 µg L−1, respectively. The enrichment factor (EF) of PAHs on MNP-PANI-DICAT-MSPE were in the range of 7.546–29.632. 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.
| Item Type: | Article |
|---|---|
| Funders: | Universiti Sains Malaysia (Short Term Grant: 304/CIPPT/6313228 ), Research University Grant (RU: 1001/CIPPT/811322 ) |
| Uncontrolled Keywords: | Dicationic ionic liquid; Polyaniline; Magnetic nanoparticles; Polycyclic aromatic hydrocarbons; Magnetic solid phase extraction |
| Subjects: | Q Science > Q Science (General) Q Science > QD Chemistry |
| Divisions: | Faculty of Science > Department of Chemistry |
| Depositing User: | Ms. Juhaida Abd Rahim |
| Date Deposited: | 18 Mar 2019 04:13 |
| Last Modified: | 18 Mar 2019 04:13 |
| URI: | http://eprints.um.edu.my/id/eprint/20716 |
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