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Optoacoustic detection method
A method of detecting trace inpurities in a gas, in which the absorption of a sample of the gas at various light frequencies is measured by directing a periodically interrupted laser beam through the sample in a spectrophone and measuring the sound generated by the optoacoustic effect at the frequency of interruption of the beam.
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- Part of Speech: noun
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- Industry/Domain: Chemistry
- Category: Analytical chemistry
- Company: McGraw-Hill
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