Btrueblood - Thanks for your reply. The weight difference may tell us something, but only if a large amount of aluminum was substituted.
Regarding your note about oxidizing the lead, wouldn't this lead to a different physical manifestation than white powder? I would think this process would...
Interesting. I was thinking along those lines as well, but would have thought aluminium would have shown up on the SEM/EDS or the X-Ray Diffraction tests.
Since the corrosion is not fully spread over the body, it sounds like I need to do an anlysis of the 'bronze' as well to ensure no aluminium.
I am working with Bronze casts purchased from Asia and have been receiving them with a white powder material on them. Our vendor states that this is due to the high humidity present during their monsoon season. A chemical analysis revealed it to be a form of lead oxide. Has anyone had any...
