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Originally posted by hpm724
This may have already been stated, apologies if so. However, there is zero point in doing this with coins (silver or gold). As was said, some coins contain silver... well those coins are already worth their weight in silver, no point in extracting it. If anything, it will DECREASE the value because joe six pack knows a 1959 quarter contains X amount of silver and will pay for it, not some silver colored button made by you in your basement.
Also, I saw a comment about buying silverware at yardsales. Yes, there is silver in them (the right ones) but once again, no need to extract it, as they ARE ALREADY WORTH MONEY DUE TO THE SILVER CONTENT!!!
It takes a lot of computer material to justify the danger of this. I foresee a bunch of ATS'ers with lung damage and melted faces because of this going wrong.
If you find cheap silver/gold coins, count your blessings and hold onto 'em, they're already worth money, no need to extract it.
Originally posted by Pigraphia
reply to post by Donkey_Dean
The point may be valid but it extend to more than just coins.
All forms of scrap which you can acquire at cheap.
If you refine the silver down it will be worth more as silver than a spoon.
Not to mention it's possible to buy coins at less than face value and coins with more than there fair share of silver.
At the end of the 50's quarters still had enough silver in them to make them into jewelry, they had more than 25 cents worth of silver.
I don't know why they did, but they did.
Simply by VERY carefully pouring off the clear liquid into another container. Then add enough fresh clean water to cover the brown sediment, leave to stand until the brown sediment has re-settled on the bottom (because adding fresh water will most likely stir it up), then VERY carefully pour of the water into another container. Repeat this adding water/let settle/pour off 3 times in total ... the aim being to completely dilute and pour of any remaining traces of acid. On the last pour off, try to pour off as much water as possible leaving the brown sediment behind. Then just let the remaining water evaporate and the sediment to dry.