Flow type photoacoustic detector

Details Flow type photoacoustic detector Flow type photoacoustic detector

G - Physics

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G01F 1/66 (2006.01) G01N 21/17 (2006.01) G01N 29/032 (2006.01) G01N 29/22 (2006.01) G01N 29/24 (2006.01) G01N 29/34 (2006.01) G01N 29/46 (2006.01)

Patent

CA 1186402

ABSTRACT A flow type photoacoustic detector for measuring the optical sound of a liquid sample which includes a sample cell having inlet and outlet ports for continuous flow of liquid therethrough, a window plate and a pulsating source of high intensity light for irradiating the liquid flowing through the cell, and a piezoelectric sensor in direct acoustic contact with the liquid for measuring the optical sound generated. The liquid flow line is arranged so that the light will pass through a length of the sample substantially larger than the diameter of the inlet and outlet dimensions.

387513

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