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Nickel Corrosion? Kill Coil copper coloured - Page 5

post #41 of 56
Quote:
Originally Posted by HAF_wit View Post
NaeKuh, you seem pretty well-versed on this stuff based on your forum posts (as is Opt33 of course), would you agree that using DI water with silver having contact with a pourous surface such as the Phobya above could potentially cause the copper molecules to be transferred to the silver coil? I admit that I am still in my first year of chemistry, so I am not by any stretch of the imagination an expert on this. Just seems like a plausible explanation to me with my limited understanding in this subject.
distilled is naturally aggressive by nature.

And it will leech Ag+ from the silver.
This is fact.. i wont agrue with anyone on that.

But the Ag+ starting corrosion with anything in your loop OTHER then brass first is whats confusing the hell out of me. And even with brass it should take a ridiculously long time for noticeable wear.

Ag+ and Brass has the furthest index.... its the Brass u should see getting barf'd up, not the copper.

But were seeing the silver.. not copper... not brass... so what the hell... im back at first base.

Its like this... when a nuke explodes.. u see the light ... then the heat.
But were skipping the light all together... going straight into the heat.

So im thinking its not a nuke but something else.


But guys i can tell you everything thats happening right now is relatively new.
All of a sudden masses and masses of problems are arising when we went though years of trouble free incidence.

So, it has to be something recient thats changed.. and the problem is no one is telling the truth so we can find out.. and its very difficult to find out whose actually correct.
Edited by NaeKuh - 6/18/11 at 6:23pm
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post #42 of 56
Between water used and additives, its very hard to determine what is what. Most use grocery store distilled water, but who knows the purity of that. I'm sure no one checks it. Additives also can be deceptive in whats actually in it.
     
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post #43 of 56
Quote:
Originally Posted by NaeKuh View Post
distilled is naturally aggressive by nature.

And it will leech Ag+ from the silver.
This is fact.. i wont agrue with anyone on that.

But the Ag+ starting corrosion with anything in your loop OTHER then brass first is whats confusing the hell out of me. And even with brass it should take a ridiculously long time for noticeable wear.

Ag+ and Brass has the furthest index.... its the Brass u should see getting barf'd up, not the copper.

But were seeing the silver.. not copper... not brass... so what the hell... im back at first base.

Its like this... when a nuke explodes.. u see the light ... then the heat.
But were skipping the light all together... going straight into the heat.

So im thinking its not a nuke but something else.


But guys i can tell you everything thats happening right now is relatively new.
All of a sudden masses and masses of problems are arising when we went though years of trouble free incidence.

So, it has to be something recient thats changed.. and the problem is no one is telling the truth so we can find out.. and its very difficult to find out whose actually correct.
Interesting. My question then becomes what could cause the silver to become cathodic? From my limited knowledge, the freed molecules would move from the anode material and gather on the cathode, no? (Based on electron flow from positive to negative.)

Or am I looking at this all wrong and the copperish coloring is something else?
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post #44 of 56
Quote:
Originally Posted by HAF_wit View Post
Interesting. My question then becomes what could cause the silver to become cathodic? From my limited knowledge, the freed molecules would move from the anode material and gather on the cathode, no? (Based on electron flow from positive to negative.)

Or am I looking at this all wrong and the copperish coloring is something else?
*shrug*

thats why i cant tell people exactly whats going on.



But as i said... back in the days, no one heard of anything like this happening. Its a new occurrence which to me sounds like something was changed.

Give it time... it will be found out... and it will never be repeated again without dire consequences.
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post #45 of 56
Quote:
Originally Posted by NaeKuh View Post
*shrug*

thats why i cant tell people exactly whats going on.



But as i said... back in the days, no one heard of anything like this happening. Its a new occurrence which to me sounds like something was changed.
I agree with you on this. I had never heard of silver causing a reaction unless there is some sort of catalyst causing this. I too come from the days of using a diluted anti-freeze for liquid in a loop, so this is a mystery.
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post #46 of 56
Whats really funny, I bought 2 silver coils over a year ago, then never used them, they were still in the same plastic container....just looked at them. Where I bought them, says 99.9% silver, not the 99.999%. These have never been exposed to water, just the air inside the container, and they have small amount red tarnish....not sure if slightly different or same thing just less. Wonder if anyone else has any non-used ones of the lesser purity 99.9% that have been sitting around awhile.

Edited by opt33 - 6/18/11 at 7:20pm
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post #47 of 56
Quote:
Originally Posted by opt33 View Post
Whats really funny, I bought 2 silver coils over a year ago, then never used them, they were still in the same plastic container....just looked at them. Where I bought them, says 99.9% silver, not the 99.999%. These have never been exposed to water, just the air inside the container, and they have small amount red tarnish....not sure if slightly different or same thing just less. Wonder if anyone else has any non-used ones of the lesser purity 99.9% that have been sitting around awhile.
edit...

actually i need to see a better picture


Here is an example.. u should know first off if its tarnish.. also is it smooth? or does it feel pitted / rough? tarnish should be smooth.

Edited by NaeKuh - 6/18/11 at 8:06pm
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post #48 of 56
Quote:
Originally Posted by opt33 View Post
Whats really funny, I bought 2 silver coils over a year ago, then never used them, they were still in the same plastic container....just looked at them. Where I bought them, says 99.9% silver, not the 99.999%. These have never been exposed to water, just the air inside the container, and they have small amount red tarnish....not sure if slightly different or same thing just less. Wonder if anyone else has any non-used ones of the lesser purity 99.9% that have been sitting around awhile.
Silver tarnishes. I don't get he confusion regarding this bit though? Check your grandma's silver collection, yep tarnished by the sulphates in the air.
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post #49 of 56
silver tarnishes yellow then black from sulphates.

Sterling silver in most utensils tarnishes red from the 7.5% copper in sterling, fine silver 99.9% when tarnishes red is usually from copper content.

My point was looks like there is enough copper in my coil to tarnish red, without adding additional copper via anything in loop.

but not sure if tarnish in air from copper, would equal harder looking deposits if put in distilled water...
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post #50 of 56
It's not the copper, it's the actual silver that tarnishes. What I mean is all silver tarnishes.
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