Articles | Volume 12, issue 3
Atmos. Meas. Tech., 12, 1685–1695, 2019
Atmos. Meas. Tech., 12, 1685–1695, 2019

Research article 15 Mar 2019

Research article | 15 Mar 2019

The interference of tetrachloromethane in the measurement of benzene in the air by a gas chromatography–photoionisation detector (GC-PID)

Cristina Romero-Trigueros et al.

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Cited articles

Atkinson, R.: Atmospheric chemistry of VOCs and NOx, Atmos. Environ., 34, 2063–2101,, 2000. 
ATSDR: Public Health Statement: Carbon Tetrachloride, available at: (last access: 6 February 2019), 2005. 
Bahadar, H., Mostafalou, S., and Abdollahi, M.: Current understandings and perspectives on non-cancer health effects of benzene: A global concern, Toxicol. Appl. Pharmacol., 276, 83–94,, 2014. 
Brosas-Montecastro, D.: Ambient air monitoring of hazardous volatile organic compounds in Seattle, Washinton neighborhoods: Trends and implications, PhD Thesis, Washington State University, USA, 86 pp., 2008. 
CEN: EN 14662-1 Ambient air quality, Standard method for measurement of benzene concentrations, Pumped sampling followed by thermal desorption and gas chromatography, 2005a. 
Short summary
Determining benzene in ambient air is mandatory in the European Union. The reference measuring technique is by gas chromatography (GC), and a photometric ionisation detector is recommended. This study shows that the simultaneous presence of benzene and tetrachloromethane causes a significant decrease in GC–photoionisation detector (GC-PID) readings. Given the importance of this behaviour, a possible mechanism was proposed. This study highlights the uncertainty of measuring benzene with a GC-PID.