Method and apparatus for in-situ spectroscopic analysis

G - Physics – 01 – N

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G01N 21/05 (2006.01) G01N 21/03 (2006.01) G01N 21/25 (2006.01) G01N 21/31 (2006.01)

Patent

CA 2407128

A method and apparatus for in-situ spectroscopic analysis of a flowable material comprising a flow cell having a flow passage and means for introducing the flowable material into the flow passage, first probe means for transmitting a given wavelength of light into the flow passage, second probe means for detecting the emission light from the flowable material, and control means for providing the light to the first probe means and analyzing the emission light detected by the second probe means. The first and second probe means include optic means that project into a region of reasonable flow in the flow passage. The first and second probe means also have a path length in the range of 1 µm to 10 mm.

Procédé et appareil pour l'analyse spectroscopique in-situ d'un matériau coulant, comprenant une cuve à circulation comportant un passage d'écoulement et des moyens pour introduire ledit matériau coulant dans le passage d'écoulement, une première sonde pour transmettre une longueur donnée de lumière dans le passage d'écoulement, une seconde sonde pour détecter la lumière d'émission provenant du matériau coulant, et un moyen de commande pour fournir la lumière à la première sonde et pour analyser la lumière d'émission détectée par la seconde sonde. Les première et seconde sondes comprennent un moyen optique qui saille dans une zone d'écoulement raisonnable dans le passage d'écoulement. Les première et seconde sondes possèdent une longueur de parcours de l'ordre de 1 µm à 10 mm.

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