Lead

[Ron Nossaman]

>Interesting, lead doesn't react with sulfuric acid, it was used as a
>container for it. It does dissolve slowly in alkalis. Lead bromide is a
>common compound.
>
>Keith


I wonder how much a part the PH of different wood species used in making 
keys plays. Looking at a chart, zinc is right up there in reactivity with 
magnesium, and seems like a likely contaminate.

Ron N