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GLOSSARY "O"
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THE
SOLUTION TO CORROSION UNDER INSULATION |
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RG-2400
STOPS CORROSION |
GLOSSARY
OF CORROSION RELATED TERMS |
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RG-2400
will STOP existing corrosion and will prevent corrosion on new piping
systems. Minimal surface preparation is required. |
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RG-2400
has many uses:
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O |
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| OPEN-CIRCUIT POTENTIAL | The potential of an electrode measured with respect to a reference electrode or another electrode when no current flows to or from it. | |
| ORGANIC | Being or composed of hydrocarbons or their derivatives, or matter of plant or animal origin. Contrast with inorganic. | |
| ORGANIC ACID | A chemical compound with one or more carboxyl radicals (COOH) in its structure; examples are butyric acid, CH3(CH2)2COOH; maleic acid, HOOCCH-CHCOOH; and benzoic acid, C6H5COOH. | |
| ORGANIC ZINC-RICH PAINT | Coating containing zinc powder pigment and an organic resin. | |
| OVERAGING | Aging under conditions of time and temperature greater than those required to obtain maximum change in a certain property, so that the property is altered in the direction of the initial value. | |
| OVERHEATING | Heating a metal or alloy to such a high temperature that its properties are impaired. When the original properties cannot be restored by further heat treating, by mechanical working, or by a combination of working and heat treating, the overheating is known as burning. | |
| OVERVOLTAGE | The difference between the actual electrode potential when appreciable electrolysis begins and the reversible electrode potential. | |
| OXIDATION | (1) A reaction in which there is an increase in valence resulting from a loss of electrons. Contrast with reduction. (2) A corrosion reaction in which the corroded metal forms an oxide; usually applied to reaction with a gas containing elemental oxygen, such as air. | |
| OXIDIZED SURFACE (on steel) | Surface having a thin, tightly adhering, oxidized skin (from straw to blue in color), extending in from the edge of a coil or sheet. | |
| OXIDIZING AGENT | A compound that causes oxidation, thereby itself being reduced. | |
| OXYGEN CONCENTRATION CELL | A galvanic cell resulting from difference in oxygen concentration between two locations; See differential aeration cell. | |
| OZONE | A powerfully oxidizing allotropic form of the element oxygen. The ozone molecule contains three atoms (O3). Ozone gas is decidedly blue, and both liquid and solid ozone are an opaque blue-black color, similar to that of ink. | |
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