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Thread: embarrassing question
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07-23-2009, 04:57 PM #1
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07-23-2009, 05:02 PM #2
Re: embarrassing question
Galvanic action.
Best
Ron
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07-23-2009, 05:16 PM #3
Re: embarrassing question
Oxidation
What is Oxidation?
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07-23-2009, 05:26 PM #4
Re: embarrassing question
Raymond,
Great little article, thanks!
Rob
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07-23-2009, 06:37 PM #5
Re: embarrassing question
copper patina? Corrosion?
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07-23-2009, 07:17 PM #6
Re: embarrassing question
Yes to all of the above.
What is Corrosion?
Oxidation and/or corrosion - not quite completely interchangeable in all uses but are interchangeable in some uses.
51386. The difference between corrosion and oxidation? [Japan]
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07-23-2009, 07:53 PM #7
Re: embarrassing question
Verdigris.
Verdigris - Wikipedia, the free encyclopedia
Department of Redundancy Department
Supreme Emperor of Hyperbole
http://www.FullCircleInspect.com/
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07-23-2009, 08:01 PM #8
Re: embarrassing question
I have a question. Is it just the exterior of the pipe or is it staining the inside of the sinks?
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07-24-2009, 06:52 AM #9
Re: embarrassing question
The question I have is will it soon lead to leaking. Should the components be replaced?
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07-24-2009, 08:57 AM #10
Re: embarrassing question
Nice information Jerry. If the joint is clean and the amount of oxidized copper is minimal, I usually note it as "oxidation". If there appears to be excess flux that was never removed, causing deterioration of the pipe or fitting, I usually note it as "corrosion".
Randall Aldering GHI BAOM MSM
Housesmithe Inspection
www.housesmithe.com
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07-24-2009, 10:21 AM #11
Re: embarrassing question
Isn't oxidation a type of corrosion that happens in when metals are exposed to the oxygen in air?
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07-24-2009, 11:09 AM #12
Re: embarrassing question
Basically, I think, it goes through oxidation first. Everything oxidizes, some at slower rates that others. Once the oxidation has progressed to the point of causing a detrimental effect on the material which has oxidized, that now becomes corrosion, which makes the material corroded, which means the material has been negatively affected by the oxidation.
Or something like that.
Like when steel oxidizes and forms surface rust, which helps protect the steel, yet more rust becomes corrosion and the steel is degraded.
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07-25-2009, 06:01 AM #13
Re: embarrassing question
I see this in my area. At times the oxidation/corrosion is excessive and damp (beginning to leak). My plumber freinds tell me it due to low PH (below 6.5) well water, which is typical is this part of the country.
I write it up as potential leaks and/or currently leaking depending on the actual observation.
Steve Bowman
Top To Bottom Home and Property Inspections
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07-25-2009, 07:38 AM #14
Re: embarrassing question
Maybe I can ask my question a different way? Does anybody know? I see this type of corrosion (I'll call it that for now) all the time. Some of the responses here seem to indicate that it will occur even without a leak being present. Is that the consensus opinion? And, if so, will it eventually cause a leak? Maybe? Probably? I can see that it could occur without a leak being present, but it has to be damaging, or depleting, the metal. Right?
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07-25-2009, 07:43 AM #15
Re: embarrassing question
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07-25-2009, 08:11 AM #16
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