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Re: detection of alluminium

 

I assume by from a picnic table you mean it is a frame or part of a frame. If it looks like a cast part, then if it is magnetic, it is not aluminum. If it isn't magnetic, it could be aluminum or magnesium. Aluminum is 2.7gm/cm^3 and magnesium is 1.74 gm/cm^3, so if you can weight it and measure the volume (Archimedes), you can figure out which one it is.

you can also check out searching for "test aluminum versus magnesium"

Here is one example



On Tue, Sep 24, 2024 at 6:05?AM Jacques Savard via <jacquessavard=[email protected]> wrote:
?
I have? some? metal? from? picnic table? whit glass?
2 interrogation
A? howto? verify? it is alluminium? ?maybe? magnnetic? ok? but? do you have? any other? method? like? acid? vinegar? or so
B? ?is it possible to? make a check? playing? dising? whit? sand blasst? on? these? kind? of? tenpered glass table? or? no? everything? exploded
?
jack 47 71
?


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Buffalo John
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