after the magnetic test and both are unmagnetic, test it with mercuric chloride (HgCl2).
aluminium don't survived (only some minutes). but for titanium won't a problem.
so are you suggesting we try this? I can just see the posts now, "yep, was aluminum, now it's destroyed, where can i get another caseback?" not so sure this is a good idea if you are not a chemist.![]()
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