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Anal Bioanal Chem

Title:		Determination of volatile organic compounds including alcohols in refill fluids and cartridges of electronic cigarettes by headspace solid-phase micro extraction and gas chromatography-mass spectrometry
Author(s):		Lim HH; Shin HS;
Address:		"Department of Environmental Science, Kongju National University, Kongju, 314-701, Republic of Korea. Department of Environmental Education, Kongju National University, Kongju, 314-701, Republic of Korea. hshin@kongju.ac.kr"
Journal Title:		Anal Bioanal Chem
Year:		2017
Volume:		20161109
Issue:		5
Page Number:		1247 - 1256
DOI:		10.1007/s00216-016-0049-0
ISSN/ISBN:		1618-2650 (Electronic) 1618-2642 (Linking)
Abstract:		"An analytical method for the detection of 14 volatile organic compounds (VOCs) was developed to investigate VOCs in refill fluids and cartridges of electronic cigarettes (EC) using headspace solid-phase micro extraction (HS-SPME) coupled with gas chromatography-mass spectrometry (GC-MS). In total, 14 VOCs were identified and quantified in 283 flavored liquids, 21 nicotine liquids, and 12 disposable cartridges. The detected concentration ranges of the VOCs are as follows: benzene (0.008-2.28 mg L(-1)), toluene (0.006-0.687 mg L(-1)), ethylbenzene (0.01-1.21 mg L(-1)), m-xylene (0.002-1.13 mg L(-1)), p-xylene (0.007-2.8 mg L(-1)), o-xylene (0.004-2.27 mg L(-1)), styrene (0.011-0.339 mg L(-1)), ethyl acetate (0.3-669.9 mg L(-1)), ethanol (16-38,742 mg L(-1)), methanol (66-3375 mg L(-1)), pyridine (0.077-99.7 mg L(-1)), acetylpyrazine (0.077-147 mg L(-1)), 2,3,5-trimethylpyrazine (0.008-96.8 mg L(-1)), and octamethylcyclotetrasiloxane (0.1-57.2 mg L(-1)). Benzene, toluene, ethylbenzene, m-xylene, p-xylene, and o-xylene coexisted in samples, which may have originated from the use of petrogenic hydrocarbons as an extraction solvent for flavor and nicotine from natural plants. The maximum detected concentrations of benzene, methanol, and ethanol in liquid samples were found in quantities higher than their authorized maximum limits as residual solvents in pharmaceutical products"
Keywords:		Alcohols/*analysis *Electronic Nicotine Delivery Systems Gas Chromatography-Mass Spectrometry/*methods Solid Phase Microextraction/*methods Volatile Organic Compounds/*analysis Electronic cigarette refill fluids Gas chromatography-mass spectrometry Headsp;
Notes:		"MedlineLim, Hyun-Hee Shin, Ho-Sang eng Validation Study Germany 2016/11/09 Anal Bioanal Chem. 2017 Feb; 409(5):1247-1256. doi: 10.1007/s00216-016-0049-0. Epub 2016 Nov 9"