PH GLASS MEMBRANE AND SENSOR

摘要

A pH sensor including a reference electrode (34), a measuring electrode (28) operatively connected to said reference electrode, a fluid conduit for containing an electrolyte in electrolytic contact with said reference electrode, a reservoir (20) in fluid communication with said fluid conduit, a reference junction (32) encasing said reference electrode, and an external junction (26), wherein said electrolyte comprises a viscous silica suspension to maintain a flow of said electrolyte from said reservoir to reduce inward diffusion through said external junction.