Silver Refining Process Without Acids
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- Опубліковано 15 чер 2020
- 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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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.
I gotta say that, that was really cool.
I've seen several vids on this before but the silver sprouts was something I've never seen!
Have a GREAT Day!!!
Great video. Thanks for showing the temperature and a nice explination of how this smelting operation workd.
Your videos are always so interesting, you pretty much never see this stuff from industrial let ALONE hearing a competent explanation of the process
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. 👍❤️🦄
The molten flux as it cools is a thing of beauty 👍
It looks like the sun. The mechanics are the same, too.
@@j_freeman3230 those convection currents!
@@scrotex6592 very beautiful, from a safe distance(:
What is the difference between the gas and the electric furnace
@@aliwitwit2217 you can be more precise with the temperature with the electric
Thanks for doing this Jason. I decided to keep my pyramid, for now, vs melting it down.
What was in this . . . copper slimes from reverse electroplating silver, as well as the silver. Sweeps from a silversmithing class, including filings, snips, and balls. Also . . . a lot of solder chips that are always getting swept up. Plus some contaminated water cast silver with I believe nickle.
I removed as much of the magnetic material as possible. Which was from files, broken saw blades, and steel wool.
You mention slimes from electroplating silver. I always use electrorefining to purify my silver, and often times end up with a bit of PT group metals in the slimes.
Have you had the pyramids tested with an XRF to see if there are any other PMs other than just silver? I’d be curious to see how pure this method actually gets silver.
@@uspockdad6429 Not electrorefining, though I do want to get a set-up to do that, I love the look of silver crystals.
This is just putting silver plated items in a salt bath and hooking them up to a battery charger. It gets messy real fast. Those green clumps in the video are the copper + other base metals slimes, or salts.
Really great video! Cool process and thanks much for sharing.
*Your videos are so addicting and relaxing mate. Thanks. :)*
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
Really cool your videos are very informative and fun to watch.
Hi Jason Thank You for you time and share, Gonzalo From Baja Mexico
Great channel, keep em coming Jason
I loved watching this simple process, thanks
I understand what your doing .doing the basics given a genral idea on what to expect
Thanks, enjoyed the process! amazing.
nice thank you for sharing the adventure and information on this smelting
Well done! Love this stuff!!
These are great videos, very informative.
It’s so nice to watch it cool down in the triangle
Good video, very informative.
Great video and amazing how good your hands look!
I have an affinity for melted metal. Good job.
greatvideo Jason Thank you for sharing
I'm not in the metal refining business but this is a lot of fun to watch
I liked the sprouts. Good info to have though. One day I'll melt my black sands.
Great vid!
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! 😎
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!
I was told the best Cupel materials were made from human bone.
Merry Christmas 🌲Nice video
Cool video thanks!
@Rudy Zechariah h
Actually it was quite hot
Loved the video.
I like those silver sprouts. I've refined silver and poured small bars but have never seen any sprouts. But when my silver is pure I do see concentric cooling lines that show up on the exposed smooth, shiny surface of the bar as it cools after pouring. I use a torch and borax for melting. Thanks for the many informative videos.
🤜🤛 thank you for sharing 💪💪
Nice one.
Ho to refine gold from ore with out using acid, can you make a video about that?
Thanks
Very interesting! Thank you for creating and posting! I believe you have an xrf, if not mistaken. It might have been cool to read the silver sample at the end to see if it confirms the purity of the silver! (for those of us new to this) I haven't read up on cupelling. Does the lead go airborne, or is it all absorbed into the cup? Also, concerning your cat refining for PGMs, is the xrf any help in reading crushed honeycomb, or is the concentration to small? Did you ever use a LIBS handheld? Are they better for your needs? Thank you!
Love your channel please keep them videos coming. Where u buy your melting pots ?
Chemical reactions, cool.
Very nice Jason
Thanks
✌️PT
Dude you f----ing rock. Appreciate you so much...
Good job!
watched for the ideas, stayed for the bird chirps
Outstanding
Nice video.. i hope i learn...
What is the name of that appratus you use in melting silver?
7:34 that should be the thumbnail, looks so mesmerizing.
thank you, sir.
I would love to see you do a specific gravity test on that
Thanks
I have a 10 oz bar mixed aluminum and some silver is there a easyer way to separate it
Hey man, how do you know that stuffs got any silver in it to start with?! What sort of things should I be looking for? That’s a really cool vid, thanks dude!!
Where can I get the equipment to do this myself. ??? Great video. Thanks
Ha hey Jason I was one your field camp at Western with Liz. Fun times. Hope things are well. I think in GIS class I told you to sell your gold at 1k.....hope you held on.
How low of a temp did you let the furnace get before you removed the larger button out of it, to not get the silver sprouts?
Cool man!
Hello. Will this process work with a graphite crucible? If so, what the formula for material to lead? Thank you for your time.
Hey man! Nice vid eo, but one question:) Do I need that magnesium cup or does it still work with a ceramic cofee cup or something?😅😁
This may be a really dumb question, but can you coupel or smelt the solder out of "C-grade" jewelry scrap (silver powder and solder dust from a jeweler's bench)?
Do you think it would be possible to use pewter scrap? Or would the tin pollute the final product?
What furnace and cupellation cups do you use?
I can't help but like your moulds etc. Yea, I am a newbie to smelting. Thanks for your Information / Is there any way I can make a mould of my fist ✊ as that Is my aim amongst my kith & kin, "BROTHERS"? Thanks again most for the Informative Information. No Mess, No Fuss, Just Pure Impact, In a Great Way & Great tips!
Would the flux recipe change because you're not having a deal with sulfates/sulfides?
Silver dissolves less oxygen as you raise the temperature beyond the melting point, so if you want to avoid "sprouting" when it cools, just bump up the temperature at the very end before you terminate the process. Of course, cooling it down slowly also helps, as you did with the second button.
I think you are wrong. The hotter it gets the more oxygen it absorbs.
@@stephenanderle5422 It's a well studied phenomenon. The solubility of oxygen increases with temperature in solid silver, peaks at just above the melting point, and then decreases with increasing temperature beyond that. At 973°C, the solubility of oxygen is 3050 PPM, at 1024°C it has gone down to 2950 ppm. As the temperature is increased the molecules gain in average energy and so are more able to overcome the attractive potential that keeps them in solution and thus the vapour pressure of the solvent increases and the solubility of the gas decreases.
Ideally, of course, you would like to have an oxygen-free environment for a little while at the end of the process, to draw the oxygen out of the silver before it solidifies.
Would using a electric melting furnace work for refine sliver using led
What do you do with the slag? Is it reusible as flux or can it be refined further or make good landscaping rock.
How do you know how much lead to silver ratio to use?
nice video
Curious. I have tons of waukesha88 metal at my job the boss gave to me because our local scrap yards refuse to take it It has mostly nickel and some tin iron bismuth and chromium materials in it I want to seperate the nickel from it do you have any ideas I checked out the Monds process but it looks very complicated. Any suggestions. Please help
i wish you would have run a tester on the product you had at the end to give us and idea ho much silver vs other metals were in the block
I had it shot with an XRF. It is almost entirely pure silver, with contaminants of mostly lead, with copper, other metals, all less than 1% total. I was hoping it would show traces of gold, as some people work with gold. but no gold popped up.
@@michaeldenison7339 Ive read two of your comments where you used XRF. What does that mean? Google was no help at all.
It's easy when you know how and have the resources. Still enjoyed the video.🐎
Can you tell the purity of the silver of both buttons separately and also of the final pyramid, thanks
I love Americans he used the .................B.B.Q. Tongs or was it he salad tongs. Great video!.
Can you reuse the melting cup or is it spent after one use
Will this technique work for gold?
Hi mate just wondering if you next time buy super wool and not Kaowool because better and safer love the silver
What purity of silver can you expect to get after cupelling until the cupel cannot hold anymore base metals?
So for sterling silver it would be super easy just melt it and the copper separates from the silver at 2200 degrees?
How do you separate your gold and silver buttons?
That's about 95 bucks of Silver!! Not bad especially considering silver is way undervalued!! Cool video!!
That's badass tho how the color looks in the flux
Awesome
Thus outta be good 💪 pretty cool stuff brother. I’m doing the acid extraction right now. Then I run it through my silver cell and get beautiful crystals.
I just finished putting 1.5 kilos through my silver cell, and will have another 2 kilos to run in a few weeks.
Have you had yours tested? I’ve been getting .9999 purity after running through the cell.
@@uspockdad6429 I just ran about 20 lbs of silver through my silver cell. I ran it a second time to come up with high purity. It took a month or so to do. Have you had your silver assayed to see it is really .9999? I plan to do it once I get some melted into bars. I've read that once silver is refined to a very high purity, there will be crystalline structures visible in the ingot. Have you seen this? I believe it would have to be five 9s or greater, because Maple leafs are four 9s and you don't see the structure it them.
Silver Mac how do you do the acid extraction looking for a safe method I can try out in the lab
@@yeukaimutusva1356 Watch Sreetips on YT
@@katana1960
Acid extraction, silver cells, etc. -- you guys need to do your own instructional videos! This is very interesting stuff that people want to know how to do, and that you then can also earn a bit of advertising income from. I once inquired about the Maple leaf's four 9s purity and was told that 99.99 was four nines, 9.999 was four nines, 9999 was four nines and .9999 was four nines. Of course you and I know better, but I would not trust that the coins are 4 nines fine unless I could get a better answer to the question.
I have an alloy mix of 50%silver and 50%tin how can i recover silver from the alloy
Where do you collect the raw powder like debris in the first place?
Have you thought about using a fresnel lens to melt your metal?
Can u possibly do a video refining silver from lead free solder dross
Cool.
Can you use this process with platinum?
Neat thats cool an art
how long did it take to cupeling the silver
What did you pour in with the silver at 11:13?
PS . I have silver in calcite, copper &quartz. Same equipment??
greetings from Chile...great job....by the way ...do you ´ve some involving silver chloride treatment?
Search for the Karo syrup process.
So the lead separates the silver from other metals?
I don't understand why when you put this vids don't you tell the people how much that worth it!!!! Gosh!!!
I have some scrap silver filled epoxy. It is about 75% silver, and was curious if just melting it with some borax would yield pure silver as there is no other metals in it.
I think that's a better way to get the silver but what does it cost to run that furnace ?
What would you say the purity of the silver was at the end? Would it be .999 or .925?
What if I have copper bits.. how can I remove impurities and non copper to make fine copper?
How to prevent sterling silver form oxidation when pouring into the mold (investment) .cause I have a lot porosity in my casting and too the casting is very bright thank you sir
How can you remove tungsten from the silver
I have 5000 pieces button silver oxide used batteries which is used for watch. Now how can I extract SILVER from it? Can you explain like how to seperate. Etc...