Infrared absorption spectroscopy employing an optoacoustic cell

Details Infrared absorption spectroscopy employing an optoacoustic cell Infrared absorption spectroscopy employing an optoacoustic cell

1975-02-20

1976-10-19

Dixon, Harold A.

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

356 97, 250340, G01M 2126

Patent

active

039873048

ABSTRACT:
In an infrared laser optoacoustic spectrometer, the optoacoustic cell is acoustically isolated from a flowing stream to be analyzed, such as the output stream of a retention time chromatograph, by means of mufflers disposed upstream and downstream of the optoacoustic cell.

REFERENCES:
patent: 3560738 (1971-02-01), Strange
patent: 3700890 (1972-10-01), Kruezer
patent: 3727050 (1973-04-01), Kerr
patent: 3787694 (1974-06-01), Owen
patent: 3820901 (1974-06-01), Kruezer
patent: 3881805 (1975-05-01), Larson

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