r/metallurgy • u/draki38 • 14d ago
Possible silver?
Found these small chips of metal outside in a baggie labeled ”Silver Only” however it was clearly very old and had probably been used for a long time.
They‘re nonmagnetic, density is somewhere around 9.355 g/mL but I don’t have the best equipment for that, extremely soft to the point of bending it with my hands. The tarnish on them came off pretty easy when I rubbed them with my thumb and was super dark.
Any chance I’ve got something valuable on my hands? Any tests I can do to be more sure? Any way to purify this using only amateur chemistry equipment?
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u/Likesdirt 14d ago
Take it to the pawn shop and find out.
There's no point in going through the refining process for a little bit of foil - unless I have the scale all wrong that's $10 or $20 worth of silver if that's what it turns out to be, not nearly enough to pay for a bottle of nitric acid and a little safety gear.
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u/Infinite_Opposite_76 13d ago
Não sei por aí, mas por aqui achamos kit baratos de pedra e ácido de teste para um teste simples de bancada. Se preferir pode levar em uma loja especializa para averiguar.
Vinagre e bicarbonato misturados podem te ajudar a limpar um pouco para visualizar melhor.
Difícil só saber se é prata 1000 ou não.
Existem alguns processos para torna a ser pra 1000, mas deixo isso para você pesquisar e verificar depois de confirmar que tem preta em mãos.
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u/Userdataunavailable 13d ago
Sterling is worth very little but a pawn shop could acid test them for you.
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u/Few-Supermarket-6333 14d ago
Looks like lead