Membrane moisture measurement

G - Physics – 01 – N

Patent

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G01N 22/04 (2006.01)

Patent

CA 2404287

A method of measuring the concentration of water in an ion exchange membrane cmprising: (i) measuring the absorbance of electromagnetic radiation transmitted through the membrane, said electromagnetic radiation comprising at least one frequency of an intensity such that it is at least partially, but not entirely, absorbed by water molecules within the membrane; (ii) measuring the thickness of the membrane; and (iii) using the values obtained in (i) and (ii) above to calculate the concentration of water molecules in the membrane.

La présente invention concerne un procédé de mesure de la concentration d'eau dans une membrane d'échange ionique. Ce procédé consiste (i) à mesurer l'absorbance d'un rayonnement électromagnétique qui est transmis à travers ladite membrane, ledit rayonnement électromagnétique comprenant au moins une fréquence d'une intensité telle qu'il est au moins partiellement, mais pas complètement, absorbé par des molécules d'eau à l'intérieur de la membrane, (ii) à mesurer l'épaisseur de la membrane et (iii) à utiliser les valeurs obtenues dans les étapes (i) et (ii), afin de calculer la concentration de molécules d'eau dans la membrane.

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