LC-MS Applications for Environmental Analysis

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Conclusion
The custom TSQ Series triple stage quadrupole mass
spectrometer system allows the detection and quantitative
analysis of a series of chemical pollutants in ambient air.
Concentration of these pollutants can be determined in a
real-time fashion for immediate action in case of chemical
spills, fire, etc., or for the purpose of trending in
environmental monitoring.
This application demonstrates that LODs can be
achieved with the TSQ Series triple stage quadrupole mass
spectrometer in real time, without sample pre-
concentration or any separation technique. The achieved
LOD values are lower than the regulatory limits for the
respective compounds.
The custom configuration of the TSQ Series triple
stage quadrupole mass spectrometer is well-suited for
installation in mobile laboratories (Figure 11). Such
configuration demonstrates, in addition to the reliability
and ruggedness of the TSQ instrumentation, applicability
of the system to on-site environmental analysis. In
emergency situations, like fires or chemical spills, these
mobile facilities are essential for real-time ambient air
analysis.
Figure 11: The mobile laboratory of MDDEP Québec, Canada, containing the
rugged and reliable TSQ Series triple quadrupole system functioning
dynamically on-board.