Hi Victor - the trouble with oxidation coloration identification is that
sometimes you get fooled. Yes, copper tends to be blue/green but it can
have other coloration. Best bet is to use an SEM to identify the elements
in the corrosion product or an XRD assessment to identify the specific
species.

Dave Hillman
Rockwell Collins
[log in to unmask]

On Tue, Jun 2, 2015 at 2:03 PM, Victor Hernandez <
[log in to unmask]> wrote:

> Fellow TechNetters:
>
>    When copper is attack and forms oxidation/corrosion it give off a
> bluish/greenish tint.   What colors would be expected if the base alloy was
> Fe/Zn coated with a Chromeate coating?
>
> Victor,
>
>
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