Graphic Controls Corporation

Robert A Falls

Norbert J Mruk

An ion selective potentiometric electrode component consisting essentially of a solid, plate-like interface element prepared by simultaneously co-precipitating Ag.sub.2 S, Ag.sub.2 Se, CdS and CdSe followed by compressing the precipitated material at an elevated temperature to provide a substantially impervious agglomerate having an X-ray diffraction pattern distinct from a composite pattern of the individual four components and characterized by improved response properties and enhanced sensitivity to cadmium ion concentration in solution.

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Orchard Park, NY, United States of America

Robert A Falls