airmoTWA: New TRAP GC/MS/FID instrument for ambient air monitoring designed for onsite use


Source: Chromatotec Group

To ensure people’s safety and a good repeatability of industrial process, the analysis of ambient air is crucial. Electronic boards are produced in clean air room by com­plex lithographic pro­cess using very reactive chemicals. The nature and concentration of volatile compounds can be different depending on the chemical pro­cess and can also vary rapidly. There is a need to analyze precisely and continuously gas process in air with an instrument designed for industrial use.

Since 1986, Chroma­totec® is a worldwide recognised expert in gas analysis, renowned and certified for its precise analysis in ambient air monitoring and natu­ral gas. In industry, Chromatotec’s sys­tems prove their value in online monitoring, quality control and envi­ronmental protection. They make substantial contributions to process control, to the improvement of product quality, and to the enhancement of system safety as well as to environ­mental protection. Chromatotec® has developed a turnkey solution which al­lows the quantification and identification of compounds at ppt, ppb, ppm and % levels. The airmoTWA is a new industry standard for online and continuous TRAP/GC/MS/FID. It encompasses a specific trap to concentrate the sample, a column for separation of chemicals and two detectors : a new micro flame ionization detector (FID) and a mass spectrometer for quantification and identification respectively.

The airmoTWA is simple to use and incredibly sensitive and delivers robust and reliable performance. Particularly, the instrument can monitor and record a large number of concentrations of molecules and can have alarm systems which can be set to inform on important changes of the surrounding atmos­phere.

In the Figure 1, a mass spectrometer chromatogram obtained analyzing am­bient air is shown. The peak resolution and sensitivity of the instrument allows quantifying and identifying very low VOC concentrations.

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