Importance

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Abstract

An electro-chemical cell for determining a particular property or component of a fluid includes a cathode electrode, an anode electrode spaced from the cathode, an electrolyte filling a space containing the cathode and anode electrodes, a selectively permeable membrane separating the electrodes and the electrolyte from the fluid to be analyzed and a layer of a hydrophylic polymer provided between a membrane and the electrodes and covering at least the cathode wherein the membrane has at least one hole in it for allowing electrolytic component of the fluid to enter the hydrophylic polymer layer and that the distance between the holes and the membrane and the cathode is relatively large as compared to the width of the cathode.

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First Claim