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I was tooking my loop apart to clean radiators, this is how my raystorm looks. Help guys - Page 4

post #31 of 32
Quote:
Originally Posted by DirektEffekt View Post

There is no chemical basis for the Nickel and Silver statement, it was just companies trying to get out of RMA-ing defective waterblocks under the guise that they were improperly used. It is completely un-founded. Silver will NOT affect nickel!

Actually, there is a scientific basis in that statement. The anodic index that people commonly refer to is only used for when two metals are in direct contact and submerged in an electrolyte. When the two metals aren't in physical contact, but still in electrical contact in an electrolyte (like water), you refer to the Standard Electrode Potential. This has a pretty easily readable chart, where you can see a pretty significant gap between silver and nickel. It's not a matter of if, it's a matter of how long it will take. The thin nickel plating on EK blocks certainly didn't help things, but given enough time, just about any nickel block should end up the same if ran in a loop with silver.
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post #32 of 32
Quote:
Originally Posted by bakageta View Post

Actually, there is a scientific basis in that statement. The anodic index that people commonly refer to is only used for when two metals are in direct contact and submerged in an electrolyte. When the two metals aren't in physical contact, but still in electrical contact in an electrolyte (like water), you refer to the Standard Electrode Potential. This has a pretty easily readable chart, where you can see a pretty significant gap between silver and nickel. It's not a matter of if, it's a matter of how long it will take. The thin nickel plating on EK blocks certainly didn't help things, but given enough time, just about any nickel block should end up the same if ran in a loop with silver.

That said, one key component is that you would need silver in solution to cause the copper to oxidize; one normally doesn't put silver ion into a water cooling loop. That said, there may be a side reaction with ethylene glycol that at first dissolves some silver, causing the oxidation of copper to occur, followed by the silver ion plating back out as silver metal.

This is not definite and should not be taken as such since I'm about to go to bed. tongue.gif
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HTPC
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HP dv6 laptop
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Core i5 4690K ASRock Z97 Extreme4 XFX Radeon 7950 32 GB DDR3-2133 
Hard DriveOptical DriveCoolingOS
Samsung 850 EVO SSD Samsung DVD/CD-writer Corsair Hydro H60 Windows 7 
MonitorMonitorPowerCase
ASUS PA248Q Dell U2412M XFX 850W Black Edition XXX Fractal Design Arc Midi 2 
CPUMotherboardGraphicsRAM
Pentium Dual Core E6700 MSI G41M-P33 Combo ATI HD4350 Kingston ValueRAM DDR3-1333 
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Kingston ValueRAM DDR3-1333 WD Caviar Blue Windows 7 64-bit Sony 32" TV set 
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