Continuous measurement of the levels of pollutants in the air is of primary importance to protect humans and the environment from damage caused by air pollution. Data collected from continuous monitoring provide important information for local emission and ambient quality control as well as for studies on the effects of weather conditions especially referring to the monitoring of Ozone precursors (VOCs).
Monitoring these types of pollutants is a complex technical task. The following configuration offers an accurate, sensitive and robust solution for the measurement of Ozone precurs in ambient air. The collection of large sample volumes and the use of an enrichment step is required to reach high sensitivity, while a multidimensional gas chromatographic configuration is able to resolve the complexity of the analysis.
The Master Air Sampler with the Master TD Thermal Desorber permits the automated extraction of 53 VOCs. The proposed configuration features minimum detectable levels well below currently recommended limits.


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