FIELD: potentiometric methods of control of technological sulfide settling processes; purification of sewage from toxic metals.
SUBSTANCE: ion-selective composite electrode whose sensitive element contains copper and sulfur compounds is made by hot molding method. Copper sulfide is used as copper compound and elementary sulfur is used as sulfur compound in sensitive element. Contact in form of copper or nickel plate is pressed in sensitive element at moment of molding the sensitive element proper.
EFFECT: enhanced reliability; increased working period due to improved service characteristics; enhanced mechanical and chemical resistance; facilitated procedure of manufacture.
2 dwg
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