Automated sample analysis

Details Automated sample analysis Automated sample analysis

B - Operations, Transporting

01

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B01L 3/00 (2006.01) B01F 13/00 (2006.01) B01J 19/00 (2006.01) G01N 21/27 (2006.01) G01N 21/64 (2006.01) G01N 27/447 (2006.01) G01N 35/00 (2006.01) B01F 5/04 (2006.01) B01L 9/00 (2006.01) G01N 21/79 (2006.01)

Patent

CA 2516362

Samples of materials used in industrial processes are analyzed to determine the concentration of certain materials of interest. The quantitative analysis of samples for these materials is provided without the need for manual methods such as titration. Indicators such as fluorescent dyes for which the intensity of fluorescence is indicative of the concentration of a material of interest are used. The dyes are made to fluoresce by means of a light source, and a photomultiplier or other, detector capable of measuring light intensity detects the resulting fluorescence. The intensity of fluorescence in the sample is compared to the intensities of fluorescence produced by samples with known concentrations of the material of interest to determine the concentration of the material of interest of the sample.

Pour déterminer la concentration de certaines substances d'intérêt, on analyse des échantillons de matériaux utilisés dans le cadre de processus industriels. L'analyse quantitative d'échantillons de ces matériaux se fait sans devoir recourir à des méthodes manuelles telles que le titrage. On utilise des indicateurs tels que des teintures fluorescentes dont l'intensité de fluorescence renseigne sur la concentration d'une substance d'intérêt. Ces teintures sont rendues fluorescentes au moyen d'une source lumineuse et un photomultiplicateur ou autre appareil de mesure d'intensité lumineuse mesure la fluorescence qui en résulte. On compare l'intensité de la fluorescence dans un échantillon aux intensités de fluorescence produites par des échantillons dont les concentrations de substances d'intérêt sont connues pour déterminer la concentration de la substance d'intérêt dans l'échantillon.

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