The U.S. Navy has been carrying out experiments to determine susceptibility of copper base machinery alloys to sulfide-induced corrosion and to explore methods to control accelerated corrosion. Sulfide-induced accelerated corrosion has occurred in land-based power plants utilizing aluminum-brass, copper-nickel or other copper-base alloys for tubing materials and operating in polluted saltwaters (1-3). These power plants have frequently utilized ferrous sulfate as an inhibitor to control aluminum-brass tube corrosion problems, from whatever cause, with generally good success (4-9). This practice has also been adopted on newer plants using copper-nickel tubes.

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