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Topic: what the hell is this piece of metal  (Read 799 times)

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Offline zglobulio

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what the hell is this piece of metal
« on: January 27, 2024, 05:33:38 PM »
Wierd metal i found that whenever i touch it, it makes me itchy, i found its not magnetic and it seems too heavy for its size, ive attached some pictures so if you could find out what this is it would help me a LOT because i either want to sell it or just throw it out because i dont want to be itchy.

Offline zglobulio

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Re: what the hell is this piece of metal
« Reply #1 on: January 27, 2024, 05:39:52 PM »
Just wanted to say, there are some scratch marks on the right side of the paper because i scratched it with this metal to see if it would leave a mark, it did. (like a pencil that you can barely see)

Offline Hunter2

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Re: what the hell is this piece of metal
« Reply #2 on: January 27, 2024, 05:44:15 PM »
Probably it is lead. But only with picture cannot tell anything. Maybe you can get the volume of that piece and also the weight. Then you can calculate the specific gravity and check in a table.
Orif you have the possibilities to get analysis. XRF would be one method. Or dissolve in acid and get ICP or AAS.

Offline zglobulio

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Re: what the hell is this piece of metal
« Reply #3 on: January 27, 2024, 05:55:03 PM »
the size, i will get the weight in a second

Offline zglobulio

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Re: what the hell is this piece of metal
« Reply #4 on: January 27, 2024, 05:58:30 PM »
one more size

Offline zglobulio

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Re: what the hell is this piece of metal
« Reply #5 on: January 27, 2024, 06:00:43 PM »
its 13 grams

Offline Hunter2

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Re: what the hell is this piece of metal
« Reply #6 on: January 27, 2024, 06:08:58 PM »
What's the volume with your measured size?

Offline Borek

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Re: what the hell is this piece of metal
« Reply #7 on: January 27, 2024, 06:11:37 PM »
If it is soft and ductile, it is most likely lead, as you were already suggested. Does it get shiny when scratched, and dull again after some time?
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Offline zglobulio

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Re: what the hell is this piece of metal
« Reply #8 on: January 27, 2024, 06:14:02 PM »
1.725cm³

Offline zglobulio

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Re: what the hell is this piece of metal
« Reply #9 on: January 27, 2024, 06:15:46 PM »
does get shiny when scratched

Offline zglobulio

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Re: what the hell is this piece of metal
« Reply #10 on: January 27, 2024, 06:17:16 PM »
ductility test would be hard to do, its too small to bend

Offline Borek

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Re: what the hell is this piece of metal
« Reply #11 on: January 28, 2024, 03:41:39 AM »
Just hit it with a hammer, does it feel soft?

Note that it can be not a pure metal, but some kind of alloy. Lead is often alloyed to make it harder.
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Offline Borek

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Re: what the hell is this piece of metal
« Reply #12 on: January 28, 2024, 03:45:18 AM »
1.725cm³

Less, there is a hole.

Still, it is much less dense than I expected.
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Offline Aldebaran

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Re: what the hell is this piece of metal
« Reply #13 on: January 28, 2024, 04:11:42 AM »
Might be zinc. Scrape a bit off and try a few tests?

Offline zglobulio

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Re: what the hell is this piece of metal
« Reply #14 on: January 28, 2024, 04:47:26 AM »
whenever i press it against paper it leaves a mark, last time i wasnt pressing it enough, this time its kind of like an actual pencil.

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