NDLI: Analysis of gasoline contaminated water samples by means of dopant-assisted atmospheric pressure photoionization differential ion mobility spectrometry

Content Provider	Springer Nature Link
Author	Kuklya, Andriy Joksimoski, Sasho Kerpen, Klaus Uteschil, Florian Marks, Robert Telgheder, Ursula
Copyright Year	2016
Abstract	In this study the influence of aromatic dopant benzene on the sensitivity of GC-APPI-DMS to gasoline related aromatic compounds was investigated. This influence was investigated on example of four gasolin related fingerprints (toluene, ethylbenzene, o-xylene, and 1,2,4-trimethylbenzene), which were found in high relative abundance in the water-soluble gasoline fraction. The analysis of calibration curves slopes demonstrats that the GC-APPI-DMS sensitivity to gasoline fingerprints can be improved by up to seven times when benzene concentration in nitrogen carrier gas is less than 10 ppm$_{v/v}$. The estimated detection limits (S/N = 3) for the analyzed in this study compounds were found to be within the range of 33–105 μg L$^{−1}$ at benzene concentration in the carrier gas of 2.27 ppm$_{v/v}$ (10 μL injection volume). These limits of detection may be reduced (at the cost of lower resolution) using the larger injection volumes. For example, increase of injection volume to 100 μL at benzene concentration in the carrier gas of 2.27 ppm$_{v/v}$ leads to reduction of LOD values for toluene, ethylbenzene, and o-xylene to 11.1, 13.3, and 5.3 μg L$^{−1}$, respectively.
Starting Page	121
Ending Page	130
Page Count	10
File Format	PDF
ISSN	14356163
Journal	International Journal for Ion Mobility Spectrometry
Volume Number	19
Issue Number	2-3
e-ISSN	18654584
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2016-03-19
Publisher Place	Berlin, Heidelberg
Access Restriction	Subscribed
Subject Keyword	Differential ion mobility spectrometry (DMS) High field asymmetric waveform ion mobility spectrometry (FAIMS) Gas phase dopant (modifier) Gasoline Benzene, Toluene, Ethylbenzene, Xylene (BTEX) Volatile organic compounds (VOC) Analytical Chemistry Physical Chemistry Molecular Medicine Proteomics Ecotoxicology Safety in Chemistry, Dangerous Goods
Content Type	Text
Resource Type	Article
Subject	Spectroscopy

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