G - Physics – 01 – N
Patent
G - Physics
01
N
G01N 21/78 (2006.01) G01N 31/22 (2006.01)
Patent
CA 2688567
The concentration of an anionically charged polymer in an aqueous solution is determined with a thin solid film having a polymer matrix and a cationic dye. A sample of an aqueous solution containing at least one anionically charged polymer to be tested is applied to the film sensor. The absorbance of the film sensor is measured after the sample has been applied. The absorbance of the film sensor is then compared with a calibration curve of the absorbance of samples containing known concentrations of the anionically charged polymers to determine the concentration of anionically charged polymer in the sample.
La concentration en polymère chargé anioniquement d'une solution aqueuse est déterminée à l'aide d'un film mince solide ayant une matrice polymère et un colorant cationique. Un échantillon d'une solution aqueuse à analyser contenant au moins un polymère chargé anioniquement est appliqué sur le capteur de film. L'absorbance du capteur de film est mesurée après l'application de l'échantillon. L'absorbance du capteur de film est ensuite comparée à une courbe d'étalonnage de l'absorbance des échantillons contenant des concentrations connues des polymères chargés anioniquement pour déterminer la concentration en polymère chargé anioniquement de l'échantillon.
Chen Bingzhi
Cui Weiyi
Long Yinhua
Xiao Caibin
Zhang Li
Company General Electric
Craig Wilson And Company
LandOfFree
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