Determination of phenanthrene and fluoranthene in rice samples by activated carbon-based dispersive solid phase micro-extraction coupled with gas chromatography-flame ionization detector analysis

Nahrowi, Nurul Nadjwa and Boon, Yih Hui and Shahriman, Mohamad Shariff and Yahaya, Noorfatimah and Mohd Zain, Nur Nadhirah and Asman, Saliza and Khan, Md Firoz and Sambasevam, Kavirajaa Pandian and Lim, Vuanghao and Raoov, Muggundha (2020) Determination of phenanthrene and fluoranthene in rice samples by activated carbon-based dispersive solid phase micro-extraction coupled with gas chromatography-flame ionization detector analysis. Malaysian Journal of Analytical Sciences, 24 (6). pp. 882-892.

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Abstract

A simple dispersive solid phase micro-extraction (DSPME) based on activated carbon (AC) was performed for the determination and separation of carcinogenic polycyclic aromatic hydrocarbons (PAHs), namely phenanthrene and fluoranthene, in selected white, brown and parboiled rice samples. The extraction was coupled with gas chromatography-flame ionization detector (GC-FID) for analysis. Under the optimized conditions [amount of adsorbent (5 mg), sample volume (40 mL), type (dichloromethane), and volume of desorption solvent (300 μL)], calibration curves were found to be linear for the concentration between 10 and 1000 μg kg-1 with coefficient of determination (R2) from 0.9938 to 0.9955. The limit of detection (LOD) and limit of quantification (LOQ) were in the range of 0.11 - 0.15 μg kg-1 and 0.33 - 0.46 μg kg-1, respectively. Relative standard deviation (RSD) was less than 8.02% and 5.48% for intra-day (n = 5) and inter-day (n = 5) for the present method, respectively. High pre-concentration factor (2587 - 2866) and satisfactory recoveries (90.23 - 115.63%) were also achieved. The proposed method was found to be simple, rapid and reliable for the monitoring of PAHs in rice samples.

Item Type:	Article
Uncontrolled Keywords:	Dispersive solid phase micro-extraction; activated carbon; polycyclic aromatic hydrocarbons; rice samples.
Subjects:	T Technology > TP Chemical technology
Divisions:	Faculty of Applied Science and Technology > Department of Physics and Chemistry
Depositing User:	Mr. Abdul Rahim Mat Radzuan
Date Deposited:	17 Oct 2021 07:23
Last Modified:	17 Oct 2021 07:23
URI:	http://eprints.uthm.edu.my/id/eprint/1000

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