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is usually a dark gray surface. The corrosion product is very voluminous; it is approximately 100 times greater in volume than the zinc consumed. Because of this the corrosion is not usually detrimental to the usability of the item, unless the zinc surface is only a thin coating, such as zinc
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sources; the restriction in air is usually due to the items being stacked on one another or otherwise stored in close quarters. This type of corrosion does not usually occur to zinc surfaces that have had time to form their normal layers of corrosion protection.
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environments. These oxides are usually present on zinc surfaces, but do not protect them from wet storage stain because they are only loosely adherent to the surface and any moisture can attack the oxides from underneath. Also,
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To stop the corrosion from continuing the object just needs to be aired out to remove any moisture and allow the normal layer of protection to form. Washing and a
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Wet storage stain only occurs in situations where there is a lack of oxygen or carbon dioxide, because it usually forms
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can be used. Both require a thorough water rinsing afterward and do not restore lustrous
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because it occurs when a fresh zinc surface is stored in a wet environment with limited
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Wet storage stain can be prevented for a limited amount of time by coating in a light
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will remove most of the corrosion. For complete removal, 10%
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51:introducing citations to additional sources
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41:Relevant discussion may be found on the
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261:. A more permanent solution is to
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34:relies largely or entirely on a
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241:if one was previously present.
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259:phosphate conversion coatings
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376:. You can help Knowledge by
255:chromate conversion coatings
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132:. It is called wet storage
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332:Porter, Frank C. (1994),
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16:A type of zinc corrosion
177:. Underneath the white
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433:Electrochemistry stubs
372:-related article is a
157:substance that is a
47:improve this article
173:, ZnO, and β-Zn(OH)
62:"Wet storage stain"
163:chemical compounds
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115:Wet storage stain
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45:. Please help
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378:expanding it
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316:Porter 1994
299:Porter 1994
287:Porter 1994
233:and 20–40%
224:acetic acid
417:Categories
269:References
245:Prevention
220:wire brush
191:zinc oxide
119:white rust
103:March 2014
73:newspapers
423:Corrosion
370:corrosion
228:polishing
204:chlorides
161:of three
149:Chemistry
130:corrosion
43:talk page
208:sulfates
197:in open
169:·3Zn(OH)
214:Removal
179:coating
165:: 2ZnCO
159:mixture
87:scholar
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155:porous
138:oxygen
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368:This
263:paint
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231:chalk
134:stain
94:JSTOR
80:books
428:Zinc
374:stub
340:ISBN
235:NaOH
206:and
193:and
140:and
127:zinc
66:news
251:oil
199:air
121:or
49:by
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