| 摘要 |
A method of providing a durable, long lasting chemically resistant, pH tolerant, corrosion inhibiting film on the surfact of copper or copper containing metal in contact with an aggressive aqueous system is disclosed. The copper or copper containing metal generally composes a structure of dynamic cooling water system, and protection is afforded thereto by intermittently feeding to the aqueous medium a sufficient amount of a C3 to C6 alkyl substituted benzotriazole.
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