Gas analysis by Optoacoustic Spectroscopy (CAT#: STEM-ST-0346-WXH)

Introduction

Gas analysis has essential applications in research, development, and industry. Gas analysis instruments are typically used to determine the concentration of known gases in an environment or atmosphere that may contain one or many gases of interest.

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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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