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WILL MERCURY CAUSE CORROSION?

April 26, 2017answer cause Corrosion Engineering India Mathematics mercury

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WILL MERCURY CAUSE CORROSION?

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Here is what I am sure of, concerning mercury. 1.) It is a neurotoxin, meaning it harms tissues of the nervous system. 2.) It will coat your gold jewelry. I used to work in a dental office where we used mercury to make amalgams, those silver colored fillings. If you got the mercury on your jewelry, it gave it an ugly gray coating that had to be polished off by a jeweler. 3.) It is a good conductor of electricity. It was once used in switches and thermostats. Here is my best guess concerning corrosion: I don’t think it “rusts” because if it did it would be unsuitable for dental applications. If it is a good conductor of electricity, that might cause a bimetallic reaction and hasten corrosion. Sorry so vague!

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Yes- liquid mercury can corrode steel and other metals. For steel the mercury sets up a galvanic reaction where the mercury is the cathode. Look up “liquid metal embrittlement” for how mercury can result in failure of aluminum.

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Mercury forms amalgams with many metals that changes the composition of the metal in question and might appear as corrosion. It’s not oxidation, which is what we commonly refer to as corrosion, but it does change the characteristics of the metals.

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The interaction of mercury with materials of construction has not been intensively investigated until recently. Mercury corrosion in the present context means corrosion of metals caused by liquid mercury in contact with metals, corrosion of metals caused by mercury as a dissolved species in the corrosive environment, corrosion of metals whose surfaces are contaminated by mercury and corrosion of metallic mercury. please see the corroded tank by mercury in the website given below in source.