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Analytical Letters Volume 50, 2017 - Issue 1
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ENVIRONMENTAL ANALYSIS

Determination of Polycyclic Aromatic Hydrocarbons in Mosses by Ultrasonic-Assisted Extraction and Gas Chromatography–Tandem Mass Spectrometry

Rangtian WuCollege of Materials and Chemistry and Chemical Engineering, Mineral Resources Chemistry Key Laboratory of Sichuan Higher Education Institutions, Chengdu University of Technology, Chengdu, China
,
Na LiCollege of Materials and Chemistry and Chemical Engineering, Mineral Resources Chemistry Key Laboratory of Sichuan Higher Education Institutions, Chengdu University of Technology, Chengdu, China;College of Energy Resource, State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Chengdu University of Technology, Chengdu, ChinaCorrespondence[email protected]
,
Rong ShuCollege of Materials and Chemistry and Chemical Engineering, Mineral Resources Chemistry Key Laboratory of Sichuan Higher Education Institutions, Chengdu University of Technology, Chengdu, China
,
Na AnCollege of Materials and Chemistry and Chemical Engineering, Mineral Resources Chemistry Key Laboratory of Sichuan Higher Education Institutions, Chengdu University of Technology, Chengdu, China
,
Feng YiCollege of Materials and Chemistry and Chemical Engineering, Mineral Resources Chemistry Key Laboratory of Sichuan Higher Education Institutions, Chengdu University of Technology, Chengdu, China
,
Wei YangCollege of Energy Resource, State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Chengdu University of Technology, Chengdu, China
&
Chongying LiCollege of Materials and Chemistry and Chemical Engineering, Mineral Resources Chemistry Key Laboratory of Sichuan Higher Education Institutions, Chengdu University of Technology, Chengdu, ChinaCorrespondence[email protected]
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Pages 243-257 | Received 06 Oct 2015, Accepted 12 Mar 2016, Published online: 19 Apr 2016
 
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ABSTRACT

A facile method for the determination of polycyclic aromatic hydrocarbons in mosses is reported using ultrasonic-assisted extraction and gas chromatography–tandem mass spectrometry. The efficiency of ultrasonic-assisted extraction and the reagents was optimized. Tandem mass spectrometry with selective reaction monitoring was used to enhance the selectivity to reduce matrix interferences and simplify the purification protocol. The detection limits were from 0.1 to 2.0 ng/mL. The linear calibration range was two orders of magnitude and the coefficients of linear correlation exceeded 0.9992 for all analytes. The relative standard deviations within 1 day and 3 days were less than 9.0%. Recoveries from 56.8 to 109.0% were obtained in fortified mosses. The rapid, low solvent gas chromatography–tandem mass spectrometry method was used to determine polycyclic aromatic hydrocarbons in mosses.

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