07.02.14 -- Detection Limits Of Impurities In Zero Gases By FTIR

Chemical Online
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Detection Limits Of Impurities In Zero Gases By FTIR
By MIDAC Corporation
A Fourier transform infrared spectrometer was built by MIDAC Corporation specifically to identify and quantify impurities in ultra-high-purity nitrogen, helium, argon, and instrument air. One of the difficulties with optical measurements is that a purge must be maintained on the optical enclosure, which due to its large surface area and material composition tends to off-gas, releasing water and carbon dioxide as well as other contaminants.
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