/sci/ - Science & Math » Thread #13930947

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Anonymous Mon 06 Dec 14:36:26 2021 No.13930947 View Reply Original Report

Quoted By: >>13930969 >>13931010 >>13931129

I think I accidentally bought 237g of Rhodium at a garage sale. Where could I take this to be identified/appraised?

Anonymous

Anonymous Mon 06 Dec 2021 14:42:53 No.13930969 Report

Quoted By: >>13930988

>>13930947
You could pretty easily calculate the density for starters

Anonymous

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Anonymous Mon 06 Dec 2021 14:44:36 No.13930977 Report

Quoted By:

Anonymous

Anonymous Mon 06 Dec 2021 14:46:43 No.13930988 Report

Quoted By: >>13931065

>>13930969
I did a density calculation and its pretty damn close to rhodium. I think there was a .2 g/cc difference. It is not magnetic.

??????

?????? Mon 06 Dec 2021 14:52:54 No.13931010 Report

Quoted By: >>13931020

>>13930947
How much did you pay for it?

Anonymous

Anonymous Mon 06 Dec 2021 14:55:10 No.13931020 Report

Quoted By:

>>13931010
$2

Anonymous

Anonymous Mon 06 Dec 2021 15:05:41 No.13931059 Report

Quoted By: >>13931064 >>13931150

I'm nearly certain that's not rhodium, 0.2 g per cc is quite a bit, your scale may even be a tad out as well, it's significantly more likely it's some kind of tungsten allow that coincidentally has a density similar to rhodium

Anonymous

Anonymous Mon 06 Dec 2021 15:06:43 No.13931064 Report

Quoted By:

>>13931059
Alloy

Anonymous

Anonymous Mon 06 Dec 2021 15:06:46 No.13931065 Report

Quoted By:

>>13930988
It's almost certainly not rhodium if it's in a 120 gram block without any markings. It is almost certainly a tungstein bucking bar or something along those lines.

Anonymous

Anonymous Mon 06 Dec 2021 15:13:21 No.13931093 Report

Quoted By:

Rhodium has a high melting point and it's difficult to process and those blocks are too big to have been done diy, meaning they were manufactured in that shape, there is zero situation in which rhodium will be used or stored like that. I almost certainly guarantee you those are tunsten alloy blocks

Anonymous

Anonymous Mon 06 Dec 2021 15:26:10 No.13931129 Report

Quoted By: >>13932065

>>13930947
codyslab was running around with some handheld xray thing that tells you what the surface metal content is. Doesn't preclude being full of tungsten though.
Get a safety deposit box, keep that shit away from your home

Anonymous

Anonymous Mon 06 Dec 2021 15:34:42 No.13931150 Report

Quoted By: >>13932066 >>13932510 >>13932514

>>13931059
The density I calculated to be is 12.6 g/cc. I dont see any tungsten alloys close to this density. Are tungsten alloys magnetic?

Anonymous

Anonymous Mon 06 Dec 2021 20:20:02 No.13932065 Report

Quoted By:

>>13931129
any big scrapyard has at least one of those

Anonymous

Anonymous Mon 06 Dec 2021 20:20:05 No.13932066 Report

Quoted By:

>>13931150
>Are tungsten alloys magnetic?
only nickel iron and cobalt are magnetic .

Anonymous

Anonymous Mon 06 Dec 2021 22:33:23 No.13932510 Report

Quoted By:

>>13931150
Rhodium is incredibly weakly magnetic

Anonymous

Anonymous Mon 06 Dec 2021 22:34:26 No.13932514 Report

Quoted By:

>>13931150
There are ALOT of tunsten alloys which are close to 12.6

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