Detection of Nitric Oxide Air Pollution by Optoacoustic Spectroscopy (CAT#: STEM-ST-0339-WXH)

Introduction

Nitrogen Oxides are a family of poisonous, highly reactive gases. These gases form when fuel is burned at high temperatures. NOx pollution is emitted by automobiles, trucks and various non-road vehicles (e.g., construction equipment, boats, etc.)

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Principle Applications Procedure Materials Notes Related Products

Principle

Photoacoustic spectroscopy (PAS) is the measurement of the effect of absorbed electromagnetic energy (particularly of light) on matter by means of acoustic detection. The absorbed energy from the light causes local heating and through thermal expansion a pressure wave or sound.

Applications

Detect and quantify chemical functional groups and thus chemical substances

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