G - Physics – 01 – L
Patent
G - Physics
01
L
G01L 11/02 (2006.01) C12M 1/34 (2006.01) G01N 21/55 (2006.01) G01N 21/61 (2006.01) G01N 33/00 (2006.01)
Patent
CA 2208597
The present invention concerns a device for measuring the partial pressure of gases dissolved in liquids. The device comprises (a) a measurement chamber (14) which is separated by a gas-permeable membrane (11) permeable to the dissolved gas from a sample chamber (10) containing the liquid with the dissolved gas; (b) a light emission source (6) for producing a light beam which passes through the measurement chamber (14) and is of a wavelength absorbed by the dissolved gas; (c) a measurement device (7) for determining the intensity of the light beam leaving the measurement chamber.
L'invention concerne un dispositif de mesure de la pression partielle de gaz dissous dans des liquides. Ce dispositif comprend a) une chambre de mesure (14) séparée d'une chambre d'échantillon (10) contenant le liquide et le gaz à déterminer, dissous dans ce liquide, par une membrane perméable aux gaz (11) et en particulier au gaz à déterminer; b) une source d'émission lumineuse (6) servant à produire un rayon lumineux traversant la chambre de mesure (14) avec une longueur d'onde absorbée par le gaz à déterminer, ainsi que c) un dispositif de mesure (7) servant à déterminer le rayon lumineux quittant la chambre de mesure.
Buchholz Rainer
Dieckmann Michael
Euroferm Gesellschaft Fur Fermentation Und Messtechnik Mbh
Fetherstonhaugh & Co.
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