Trace gas analysers

 

A key component of understanding the true affect of man made pollution is to understand the level of gas concentrations in unpolluted air. Background or trace gas monitoring involve monitoring low or unpolluted air for trace levels of pollutants such as CO, CO2, N2O, CH4, NOX, SO2 and others.

The trace gas air quality samples contain minute amounts of material (ppt) and are therefore easily contaminated.

Trace gas air quality monitoring requires very sensitive gas analyzers to be used for this purpose. SO2 and NOX in the sub ppb range, CO & O3 in the ppb range and CO2 in the ppm range are required.

 


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