On line detection of a desired solute in an effluent stream...

Details On line detection of a desired solute in an effluent stream... On line detection of a desired solute in an effluent stream...

G - Physics

01

N

G01N 21/85 (2006.01) G01N 1/18 (2006.01) G01N 1/34 (2006.01) G01N 21/64 (2006.01) G01N 27/447 (2006.01) G01N 30/82 (2006.01) G01N 30/84 (2006.01) G01N 30/74 (2006.01) G01N 30/88 (2006.01)

Patent

CA 2223835

A method and system (11) for analyzing an effluent sample (15) for a solute of interest by splitting the effluent sample (15) into a major sample (27) and a minor sample (29), the major and minor samples (27, 29) having the same relative compositions. Next, a fluorescent agent characterized by its affinity for the solute of interest and whose fluorescence intensity is greater when bound to the solute of interest is mixed into the minor sample (29). The fluorescence intensity emitted from the illuminated portion of the minor effluent sample (29) is then measured and graphically depicted as a function of time. The information can be used to characterize the major sample (27) once the major and minor samples (27, 29) have been correlated with one another.

L'invention concerne un procédé et un système (11) pour doser dans un échantillon d'effluent (15), un soluté particulier. L'échantillon d'effluent (15) est scindé en un échantillon majeur (27) et en un échantillon mineur (29), les échantillons majeur et mineur (27, 29) ayant la même composition relative. Ensuite, un agent fluorescent, caractérisé par son affinité pour le soluté dosé et présentant une intensité de la fluorescence plus importante quand il est lié au soluté dosé, est mélangé à l'échantillon mineur (29). L'intensité de la fluorescence émise de la portion éclairée de l'échantillon d'effluent mineur (29) est ensuite mesurée et enregistrée graphiquement en fonction du temps. L'information peut être utilisée pour caractériser l'échantillon majeur (27) lorsque la corrélation entre les échantillons majeur et mineur (27, 29) a été établie.

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