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A well-known phenomenon finds a commercial application in a gas sensor.

Publication: Chemical Engineering
Publication Date: 01-AUG-08
Format: Online
Delivery: Immediate Online Access
Full Article Title: A well-known phenomenon finds a commercial application in a gas sensor.(Chementator)(Carthago International Solutions Inc.)(Brief article)

Article Excerpt
Optoacoustic gas detection determines gas content via the measurement of acoustic pressure waves that are propagated as a gas is irradiated under an appropriately tuned light. A gaseous-mixture sample passes through a membrane into a measurement cell, which contains an infrared light source and a microphone. Incident light modulated...



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