Rudy,

Very good point.

The main thing I wanted to show was that the farther apart the two metals
are on the chart the greater the reactions between them when they come into
contact (with an electrolyte present).

David A. Douthit
Manager
LoCan LC

Rudy Sedlak wrote:

> A word of warning about "Galvanic Metal Charts"
>
> They are almost useless in the real world, and actually only report on
> oxidation values in pure water....and what else is present (the electrolyte)
> makes ALL the difference.
>
> Example....one metal will immersion plate on another when the metal in
> solution is more electronegative than the substrate....i.e. metals below a
> given metal should be able to plate on to metals above on the usual charts.
>
> Yet, depending on the electrolyte, you can make Tin immersion plate on to
> Copper, OR Copper immersion plate on to Tin...
>
> So, their relative postions on the Galvanic metal chart are wholly dependent
> on the electrolytes present...
>
> Life is NEVER simple...
>
> Rudy Sedlak
> RD Chemical Company
>
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