Method of treating surface of copper and its alloys

Cleaning and liquid contact with solids – Processes – For metallic – siliceous – or calcareous basework – including...

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134 41, 156666, 423272, B08B 308

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040408639

ABSTRACT:
In the surface treatment of copper and its alloys with an acidic aqueous solution of hydrogen peroxide, methylcyclohexanol or cyclohexanol or both of the two are added to the solution thereby inhibiting the hindering action of chlorine ion in removal of metals and oxide scales by dissolution.

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patent: 3635836 (1972-01-01), Mullen
patent: 3649194 (1972-03-01), Glanville
patent: 3864271 (1975-02-01), Stalter
patent: 3869401 (1975-03-01), Ernst
patent: 3905907 (1975-09-01), Shiga

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