Silver Refining Process Without Acids

In this video, learn how to refine silver jewelry sweeps by smelting and cupelling without the use of acids. The sweeps are separated into a metallic fraction for direct refining with lead by cupelling. The other silver containing material is first smelted down to a metallic button and then further refined to pure silver. At the end of the video the two buttons are combined into one single silver bar.
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[@michaeldenison7339]

Thanks for doing this Jason. I decided to keep my pyramid, for now, vs melting it down.

[@Hartcore11]

Thank you for putting out a good stream of videos. They are packed full of information that will save me from making some mistakes in my new hobby.

[@shaneyork300]

I gotta say that, that was really cool.

[@dynomania]

The molten flux as it cools is a thing of beauty 👍

[@mikeconnery4652]

Great video. Thanks for showing the temperature and a nice explination of how this smelting operation workd.

[@joshp6061]

Your videos are always so interesting, you pretty much never see this stuff from industrial let ALONE hearing a competent explanation of the process

[@drennanhutton7864]

I’m just now getting into collecting silver and gold , but this right here is the coolest thing I’ve ever seen !!! I’m gonna try it one of these days

[@silverunicorn2645]

I'm a new subscriber. Really informative stuff here. So cool to be able to see the process and have an explanation at every step. 👍❤️🦄

[@sreetips]

Cool video thanks!

[@jimbanister1214]

I understand what your doing .doing the basics given a genral idea on what to expect

[@NandiCollector]

Your videos are so addicting and relaxing mate. Thanks. :)

[@cobaltdreaming]

I loved watching this simple process, thanks

[@Euri_EE]

Really great video! Cool process and thanks much for sharing.

[@Upde667]

Hi Jason Thank You for you time and share, Gonzalo From Baja Mexico

[@LongTrout]

I have an affinity for melted metal. Good job.

[@BackYardScience2000]

I always thought that the sprouts were from the silver cooling faster on the outside and shrinking while the inside was still a bit molten. Squeezing the silver out as it cools into the sprouts. I know that bismuth does this as well. Copper will shrink inward, I'm guessing because it's such a good heat conducter, and form pits while silver and bismuth form these sprouts. But I never knew that it was due to dissolved oxygen and not from the outside cooking faster than the inside. Very cool! 😎

[@JimNichols]

Amazing video and we are still using chemistry to remove the Ag from the mix, just not HNO3. I love the videos and while I presume I will never use this you have started me on my usual quest for knowledge. I found that Cupellation actually uses this chemical reaction to work Ag(s) + 2Pb(s) + O2(g) → 2PbO(absorbed) + Ag(l) and the first Cupel were made out of bone ashes while the best material was obtained from burned antlers of deer although fish spines could work as well. Amazing to me! Thank you very much!

[@Yodiyst]

It’s so nice to watch it cool down in the triangle

[@3ATTR1X]

Thanks, enjoyed the process! amazing.

[@guywilson2394]

Really cool your videos are very informative and fun to watch.