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Urban Mining Mother Lode 

sreetips
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27 сен 2024

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Комментарии : 1 тыс.   
@seanhewitt603
@seanhewitt603 7 месяцев назад
That ,right there, is top of the line grade A Merlin style alchemy. I am fascinated by the process you are gracious enough to share with us. Thank you Sir.
@originalatogscoins
@originalatogscoins Год назад
Sreetips: "I'm going to put my wedding ring in acid" Mrs. Sreetips runs in: "What do you think you are doing?? I can't leave you alone for 5 minutes!!" 🤣🤣🤣
@Chromevulcan
@Chromevulcan Год назад
That was my first reaction, too. He's been doing this long enough, though, that I'm sure she's learned to trust him. BTW, am I the only one that's seen her and thought he's batting out of his league? Lol!
@Xfinitygrows
@Xfinitygrows Год назад
Now that’s hilarious however, if price persist vs pay of ring then …why not. 😂
@pazsion
@pazsion Год назад
Lol each time adds a layer of gold 😅
@christopherdecorte1599
@christopherdecorte1599 Год назад
I can see him extracting and refining his jewelry polishing pads.
@brad9529
@brad9529 Год назад
I think the same thing, what must she think when he does that 🤣
@ericwilliams2546
@ericwilliams2546 Год назад
I remember I asked about the silver alloying process a long time ago and sree actually took time out and typed a response to me about it, I was pretty happy about that, I like how he takes time to really show and explain what he is doing and why. I wish we had more science classes like this in either k-12 or even college classes. On a side note, he is one brave man... Imagine if he got the reaction wrong while experimenting with his wedding ring. "I swear honey it got A LOT of views on youtube! Look I made you a pretty pink gold/silver lump..."
@sotiredoflies
@sotiredoflies Год назад
Check out ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-aX4Iq11j2dI.html
@MoDeegroes
@MoDeegroes Год назад
He's literally the best channel operator on yt. Can tell he has a real passion for educating others and this hobby. Appreciates his viewers.
@Edgarsantosofficial1
@Edgarsantosofficial1 Год назад
He is very good with that , l personally love the way he explain step by step 👍🙏🏻🇧🇷🇺🇸
@xxb11pilotxx_51
@xxb11pilotxx_51 Год назад
_0]. Lp 0l c😊gp0
@PlayoutONE
@PlayoutONE Год назад
Never realised how much I liked gold until I saw you pour and get that beautiful result. The whole process was mesmerising.
@dracrichards5785
@dracrichards5785 Год назад
Watching the show precipitation is like watching pure unadulterated natural magic. Amazing. Simply amazing.
@jam2190
@jam2190 Год назад
You see a difference in the wedding band, and the 6K gold, the low Karat gold turned brown almost as soon as the nitric acid touched it, the band stayed golden yellow. Seen you do this a time or 2 before this. It is still amazing
@kyzercube
@kyzercube Год назад
Sreetips, I remember the first time you used your wedding band as a demonstration for inquartation processes. Your wife is truly an angel and one of great faith. God bless you both. Your videos are such an educational and life lesson experience!
@xKateshi
@xKateshi Год назад
Not only the patterns on the bar were awesome, but also the weight was exactly 50,0g. Perfect.
@georgemclean825
@georgemclean825 Год назад
Wow! Just wow! Just when I thought you couldn't amaze me any more. You have got the whole process down to a tee and it is hypnotic how the gold ends up so pure and beautiful, well done again sir!
@peetiegonzalez1845
@peetiegonzalez1845 Год назад
This was one of your best videos and one of the best practical Chemistry lessons I have had the pleasure to sit through.
@bobfugazy4916
@bobfugazy4916 Год назад
I think the inquartation has finally sunk in as long as you remember to melt the two metals together first. You said copper can be used as well, I'm going to assume the same 75% as you did with the sterling. Very informative and thank you Sreetips.
@sreetips
@sreetips Год назад
Same weight whether sterling or copper. But copper takes more acid.
@pottersmiles7238
@pottersmiles7238 Год назад
One of my favourite channels. Shout out to you sir from myself over in Wales UK and may God bless you and your family for providing us with a decent RU-vid channel.
@sreetips
@sreetips Год назад
Excellent, thank you!
@Bluebark64FIS
@Bluebark64FIS Год назад
Seeing that pile of mud in the crucible gave me the idea on how to safely store large amounts of gold. No thief in hell is going to give two craps about a few "mud" filled jars strew across your garage.
@thegoodlookinorange1986
@thegoodlookinorange1986 Год назад
Best bar to date. Only one I still like more is the bar that had the crystalline structure showing on the surface. Top notch 😃.
@anthonyrstrawbridge
@anthonyrstrawbridge Год назад
My take is that quartering au with ag is ideal. The demonstration between carat au Vs cu in the hno3 solution was amazing. Note: The carat au was unaffected but the cu finely separated into solution. The inquartation of 25% au with 75% ag cast as shot then boiled in the hno3 H20 solution several times resulted in three 9's au. Quite frankly it becomes obvious that low carat au is cast fairly often so it must do well. That said, I'm left wondering if graphite pour cubes shaped like 14 mm chess pieces are available or if you would need to cast using other methods. Probably 24 k kings, 18 k queen's, 14 k knights and bishops, and 10 k rooks would be interesting. Adding gems would be really fun. Cheers,✌️♥️👍 Kudos to the Mrs.'s
@anthonyrstrawbridge
@anthonyrstrawbridge Год назад
I have since learned the proper use of Carat as opposed to Karat.✌️♥️
@mikolajone
@mikolajone Год назад
as if the gold left us when it turned clear and then returned, simply amazing
@bernie4366
@bernie4366 Год назад
This channel has got to be one of the greatest sources of ASMR of all time.
@angelinifamilyarchives2850
@angelinifamilyarchives2850 Год назад
"Darling, my love for you is like a 14k gold ring in a sea of nitric acid... everlasting, uncompromising, and a little bit impure."
@jerrysanchez5453
@jerrysanchez5453 Год назад
I love learning the different ways to precipitate gold put of solution when I watch these videos
@DaftFader
@DaftFader Год назад
That buddist necklace might be worth more on it's own. If it's a legitimate old hand-me-down necklace from an oriental origin, the piece might be an antique! My friend had a very similar thing with a 3D Vishnu on it made of 24k gold that was hundreds of years old, and it was worth like £5-6k, way more than it's weight in gold (about £3k of gold iirc).
@sreetips
@sreetips Год назад
That’s why I saved it.
@stevebuczek
@stevebuczek Год назад
Flawless pour Chief .. as always a pleasure to watch you work!
@SilverStackinSam
@SilverStackinSam Год назад
Checked the listing 3 hours after it went live and that beauty sold quickly! Congrats on the refine, pour and sale!
@gunnystew7404
@gunnystew7404 Год назад
Senior chief, you never cease to amaze!!! Keep the videos coming.
@PatrickDKing
@PatrickDKing Год назад
That's really neat! Imagine the very first person on earth to have figured out how to do that whole process from start to finish...mind blown. Before the torch when it still looked like sludge I'd never have known there was gold in it. But after that torch hit it, it got really pretty. I have to wonder if that necklace would be worth more in tact. If they bothered putting high quality gold in it maybe it was a designer piece.
@Joe.Rogan.
@Joe.Rogan. Год назад
Don't feel obligated to answer, I know it's taboo to ask.. but as someone who loves a good bargain I'm dying to know how much Mrs. Sreetips was able to get all this great material for.
@sreetips
@sreetips Год назад
$340 for everything
@Joe.Rogan.
@Joe.Rogan. Год назад
@@sreetips No freaking way... what a great Lady you got there Sreetips.
@MerchantMarineGuy
@MerchantMarineGuy Год назад
@@sreetips you’ve got to be kidding. Wow!
@user-lb8do4ew6k
@user-lb8do4ew6k Год назад
@@sreetips Wow! Way to go
@Shad0wBoxxer
@Shad0wBoxxer Год назад
@@sreetips ❤❤❤ no wonder you married her!
@hippyhebrewhomestead8593
@hippyhebrewhomestead8593 Год назад
I’ve been watching this channel for years now, thank you so much for your attention to detail! I might have to start refining our stock here soon.
@sreetips
@sreetips Год назад
Make sure you have a fume hood
@hippyhebrewhomestead8593
@hippyhebrewhomestead8593 Год назад
@@sreetips definitely!
@LotsofStuffYT
@LotsofStuffYT Год назад
I thought Urban Mining was sweeping the dirt from the road and side walks downtown and getting gold out of that.
@sreetips
@sreetips Год назад
We do it a little differently and get a much greater yield
@disgruntledtoons
@disgruntledtoons Год назад
To those who ask why the senior chief doesn't start off by dissolving the 14K and 10K gold in aqua regia: Doing so would result in all of the silver turning into silver chloride, which requires a couple of messy reactions to refine back into silver, and the solution will contain base metals in addition to the precious metals. Inquartation, followed by a nitric acid boil, extracts the silver as silver nitrate, the base metals also go into solution, and only the precious metals remain as solids. Recovering the silver metal from the solution is a much less messy procedure.
@sreetips
@sreetips Год назад
Well said
@corbinschad1
@corbinschad1 Год назад
Thanks. I was wondering that.
@TheGekko64
@TheGekko64 Год назад
Love your content! You're the Walter White of precious metals refining! Great use for pyrex too!
@firehorsewoman414
@firehorsewoman414 Год назад
Add a dash of chili powder
@Fortuna_716
@Fortuna_716 9 месяцев назад
He really has the best channel on this process
@graffix3001
@graffix3001 Год назад
That whole process is so facinating.
@143timbo
@143timbo Год назад
Hands down best content on yt my add/adhd is totally invested lol currently collecting scrap and karat gold also step dad was a jewler i have sweeps platninum gold many scrap pieces ect cant wait to execute this method of refinement
@ICU2B4UDO
@ICU2B4UDO Год назад
That was .9999 Pure Gold! Beautiful bar!...Where's mine! Lol 😂...And thanks for the Sulphuric purification after using the SMB twice...That's why that Ingot looked so bloody good...Well done...
@ECsponger2
@ECsponger2 Год назад
Dude borderline sacrificed his own wedding ring for the sake of demonstration and for the video. TWICE. Legit.
@wadebert4458
@wadebert4458 5 месяцев назад
I love this! I shared this video with my wife, to reignite her desire to go, "Urban Mining", at Estate Sales! Please don't boil your wedding ring....... again! I cringe every time you do that! 👍 Great and FANTASTIC CONTENT! NEVER GET TIRED OF WATCHING YOUR RU-vid VIDEOS! Wade
@sreetips
@sreetips 5 месяцев назад
Most people don’t understand gold and silver. They believe, incorrectly, that paper dollars are more valuable than the metals. For those that do understand, a world of prosperity awaits.
@wadebert4458
@wadebert4458 5 месяцев назад
@@sreetips TESTIFY MY BROTHER! COULDN'T AGREE MORE! ALL THANKS TO YOUR TUTORIALS ON RU-vid!
@xXExpressYourselfXx
@xXExpressYourselfXx Год назад
Those ripples are the best I can remember from any of your goldbars poured.
@fancydeer
@fancydeer Год назад
I love watching the silver melt under the open flame it's my favorite part.
@TomokosEnterprize
@TomokosEnterprize Год назад
One stunning piece my friend. It is truly beautiful !
@bigfreddie4854
@bigfreddie4854 Год назад
I'v said it once , I'll say it again ....Best refining videos on RU-vid. Thanks for sharing Sreetips.
@emy1111
@emy1111 Год назад
that's got to be one of Streetip's best poors ever! intact you have 3 lovely poors in a row now from what I cans see.
@arnedalbakk6315
@arnedalbakk6315 Год назад
Hello Mr sreetips. Seems to me that Mrs sreetips has work hard to get gold to your hobby. God truly blessing both of you. It is so nice to see. Hard woork and gods blessing realy pays out🌹🌹. Have a Nice day, and thank you for a nice clip. Arne 🇳🇴
@sreetips
@sreetips Год назад
We both embrace and say a prayer of thankfulness to Him for the good fortune He has granted us.
@arnedalbakk6315
@arnedalbakk6315 Год назад
@@sreetips amen sir🙏🌹
@StuartHollingsead
@StuartHollingsead Год назад
Your passion is infectious, in the best way.
@woonsockettruthseeker9009
@woonsockettruthseeker9009 Год назад
These are addicting videos. Thanks for your time making them
@woonsockettruthseeker9009
@woonsockettruthseeker9009 Год назад
Explaining the reason you add silver for the nitric acid boils was really helpful
@sreetips
@sreetips Год назад
I put my ring in this one.
@richardbreisch8049
@richardbreisch8049 Год назад
Amazing how watching you work the magic is so satisfying!
@andrewrossi7164
@andrewrossi7164 Год назад
That's by far the best looking gold bar you've done yet sreetips 👍
@megapint1626
@megapint1626 Год назад
Love the video! I believe we will see gold/silver continue to fall through 2023 and then climb for the next 5 years or so. What do you think? Internet never forgets. So, I may be proven foolish with this post, but I did predict the $50 silver boom and it’s fall. Sadly some fought me on that. I hope they didn’t lose too much.
@sreetips
@sreetips Год назад
I think making predictions is risky business. Especially if they’re about the future.
@shawnthompson2303
@shawnthompson2303 Год назад
38:37 Looks like something my grandfather would hand me at christmas time
@sreetips
@sreetips Год назад
Nice! Who would love a bar of gold from Santa!
@michealklonowski5267
@michealklonowski5267 Год назад
nice purification process it was nice to see how you did that.thank you for sharing the information .
@kimberlynolz5725
@kimberlynolz5725 Год назад
And that pour was spot on! Beautiful bar!
@glOckcOma
@glOckcOma Год назад
Wow that bar went fast on ebay!!! Such a nice looking bar too.
@sreetips
@sreetips Год назад
Had it priced too low.
@a3skywarrior929
@a3skywarrior929 Год назад
Thanks for the run ✨️⛏️👍
@bencausey6319
@bencausey6319 Год назад
Behind every great man there is a greater woman with a good eye. Lucky Dog
@sreetips
@sreetips Год назад
She’s the best thing that ever happened to me.
@antonart2.0
@antonart2.0 Год назад
New fume hood is just great. Sound and light next level
@sreetips
@sreetips Год назад
I’m very pleased with it
@showmethegold2104
@showmethegold2104 Год назад
Awesome video K. I’ve watched you for awhile now and that bar is the best yet. So nice.
@steve66oh
@steve66oh 10 месяцев назад
You demonstrated THAT inquarting works.. but not so much WHY it works. For those still puzzled about why, basically, the silver or copper can only be digested by the nitric acid if the nitric can reach it. At the atomic level, in 14k gold, there are about 11 gold atoms for every 10 silver atoms, so it is possible for silver atoms to be encapsulated by gold atoms, and even those silver atoms on the surface, when digested, make a very small cavity with few adjacent silvers, the nitric can't penetrate effectively. When you inquart to 6k, you're providing 5.5 silver atoms for every gold atom, which eliminates encapsulation of the silver, ensures that each silver atom has many adjacent silver atoms, and their removal creates large fluid channels which enables the nitric to reach and remove all of the silver atoms into solution, so they can be poured/rinsed/filtered off the pure gold. Sreetips.. do you agree? (Your channel, I'll defer if you have a correction..). What I'm curious about.. something I'd consider.. is using SMB for one precip, dropping the gold and (am I right?..) any PMG metals present, and then doing the second precip with oxalic acid which (again, am I right?..) won't drop the PMG, and can't drop anything removed by nitric or left in solution in the SMB precip. Seems to me that alternating between SMB and OA would give even better purity. Finally.. placer mined gold, such as the 88% AU typically found off Nome, AK.. could that be the impure feedstock for a gold electrolysis cell built like your silver cells, or would the placer gold need to be purified with aqua regia first?
@simdal3088
@simdal3088 Год назад
Very confident, if this goes wrong you would be sleeping on the couch 😂. Informative video, had no clue about this. Thank you.
@itsbdubnukka
@itsbdubnukka Год назад
I love when the seller says "There isn't any gold in that bag. I've checked." I find so much missed gold.
@sreetips
@sreetips Год назад
It’s a gold-buyers paradise for those who know when, where, and what to look for.
@miniatureshipyard
@miniatureshipyard Год назад
Thank you for this as I've collected over 20 oz of electronic parts that nitric does not affect and will do an experiment in inquarting on them. Hoping that adding more silver than necessary will not affect the quality as I have no way of guessing the K content
@RPGBnB
@RPGBnB Год назад
I would bet a secondary reason he does the demonstration with the high karat gold in nitric is to clean his wedding band.
@njanderson4342
@njanderson4342 Год назад
When you added the silver spoons to the melt dish it looked like a magic trick.
@josephcormier5974
@josephcormier5974 Год назад
Excellent video every time I see you use your wedding band for example it's always interesting to think people still don't understand why you use silver outstanding video awesome content thank you for sharing six Stars brother
@KIDPRODIGY69
@KIDPRODIGY69 Год назад
that was cool to see and helpful. I wouldnt of risked my ring tho lol. Just goes to show you really know what youre doing and trust yourself and skills. I like it other then a little cleaning the ring was fine, did not expect that.
@kendallreed1711
@kendallreed1711 Год назад
Great looking bar!
@SuperLaplander
@SuperLaplander Год назад
Very nice video. The bar came out so good! Thank you dear sir!
@nickg505
@nickg505 Год назад
That bar is beautiful 😍
@vinayakonimani7628
@vinayakonimani7628 Год назад
3:14 what you found here isn't just a piece of any costume. Its a "mangalsutra", worn by married hindu women in india. Mangalsutras are symbolic of a woman being married. Almost always these will have gold in them, along with different stones. Because the culture promotes using real gold for auspiciousness. So the next time you get hold of one of these, you are lucky!! Sometimes they may even have a few more precious gemsand other metals in them!! You dont even have to check the purity. I can say that almost every one of those mangalsutras will have a lot of high quality gold in them.
@sreetips
@sreetips Год назад
Mrs sreetips confiscated it.
@kimberlynolz5725
@kimberlynolz5725 Год назад
Im so glad I pulled the tube out I was wondering if it would continue just like that! Very good vidio!
@JamesSkellington-xj8nn
@JamesSkellington-xj8nn Год назад
I think it's so fascinating to watch how the gold slowly dissolves in the acid over a period of time .
@D_A86
@D_A86 Год назад
That colour transition with the gas would make an awesome short 👌🏼
@sreetips
@sreetips Год назад
Great suggestion. Thank you
@D_A86
@D_A86 Год назад
@@sreetips No problem 🙂
@triggermancustoms1670
@triggermancustoms1670 Год назад
That gold on top that floats is beautiful
@shaneyearby4438
@shaneyearby4438 Год назад
Man that gas is the way to go. Another beautiful bar sir, great job.
@matthewgunn951
@matthewgunn951 Год назад
its always fun watching these videos
@jpjude68
@jpjude68 Год назад
during the bronze age, pale gold which was a mix of gold and silver was called "electrum", used for some of the first coins
@Crypto907
@Crypto907 Год назад
I’ve learned so much from your videos, i hope to one day refine gold scrap i have been collecting
@nathanieljames7462
@nathanieljames7462 Год назад
That's one way to clean your wedding band!
@Emmibean77
@Emmibean77 Год назад
The silverware you add to the gold at the beginning is what I grew up using! Didn’t realize it was real silver then
@boarbot7829
@boarbot7829 Год назад
Yours might not had been.
@daviddpg
@daviddpg Год назад
Very cool. This further proves that my hobbies suck and I am looking for the wrong things at the flea market.
@thomasoliverpryce4914
@thomasoliverpryce4914 Год назад
Super informative and didactic, thank you. Becoming very tempted to have a go myself...
@Pwnasaur
@Pwnasaur Год назад
I would really love to buy a gram bar or something from you made by you sir. Thanks for sharing your knowledge and experience with us all.
@Pwnasaur
@Pwnasaur Год назад
Sreetips I'm curious if your ever nervous to make some sort of disasterous mistake and not be able to get the recovery? I'd be so so nervous!!
@lostloser519
@lostloser519 Год назад
Superb video. Always a pleasure to watch your content.
@jaynbob42
@jaynbob42 Год назад
Cody over at Codyslab also does a great video on why you add the silver for the boil. He uses minecraft to show what happens and why it works.
@sreetips
@sreetips Год назад
Cody is awesome.
@jaynbob42
@jaynbob42 Год назад
@@sreetips lol he is, if a little crazy sometimes 😁 Thanks for the reply and thank you for your videos. Love your work and spend hours watching and rewatching them 👍
@josemuzquiz7146
@josemuzquiz7146 Год назад
That's like the Comstock load in a zip lock bag! And if that's the Comstock load that would make you Bobby Comstock himself.
@nipper30
@nipper30 Год назад
Best looking bar I’ve ever seen 👏👏
@PainFireFist
@PainFireFist Год назад
That video made me check my wedding ring and it turns out it's an 18k one. Neat! :)
@ThorTubeview
@ThorTubeview Год назад
It his, in fact, awesome to see the reaction.
@glOckcOma
@glOckcOma Год назад
I heard and watched a few videos about urban mining but their definition was to go to high pedestrian traffic areas like Rockefeller Center or Hollywood Blvd and sweep up all the dirt between concrete slabs and crevices then sift and refine it for precious metals.
@sreetips
@sreetips Год назад
That sounds rough
@ObiWanCannabi
@ObiWanCannabi Год назад
Jaguar lost a massive diamond off the front of an F1 car in Madrid, id start there lol
@nikolajwinther5955
@nikolajwinther5955 Год назад
Cody did that a few years ago. To find palladium and platinum. He did find some.
@Mclaren4502.
@Mclaren4502. Год назад
That’s the best looking gold bar I’ve seen 😮
@bengarrison5394
@bengarrison5394 Год назад
Thanks for showing the value calculations!
@OnsloVest
@OnsloVest Год назад
Hi, I appreciate it would come at a cost of both time and chemicals, but as a one off it would be interesting to see a melt of just the recovered gold after inquartation, and then commence the refining process to show the value in 1st/2nd refinings
@sreetips
@sreetips Год назад
Good idea
@sreetips
@sreetips Год назад
If you look at the filter from first dissolve, that’s all the junk that’s still in the gold after the nitric boils are complete.
@timsmith9645
@timsmith9645 Год назад
Awesome gold bar love watching your videos thanks for sharing sreetips
@mrthomas7511
@mrthomas7511 Год назад
I can't imagine what somebody would think if they saw all the chemicals and tools!
@daviddavis2597
@daviddavis2597 Год назад
Gooood evening from central Florida! Hope everyone has a great night!
@sreetips
@sreetips Год назад
Goooood evening!
@drbushnaqable
@drbushnaqable Год назад
Your ring is lord of the rings
@silverking8742
@silverking8742 Год назад
That's the most most beautiful piece of gold I've ever seen. I wish he would sell that to me. I'd pay spot plus $100
@chrismueller8861
@chrismueller8861 Год назад
Since the wedding band came out discolored - a slightly darker shade - it shows that a little part (silver and copper) of the alloy was dissolved. Weighing the band prior and after the demonstration would show that a tiny amount of the wedding band went in solution. I think that inquarting modifies the structure (more silver interspersed between the pure gold) of an alloy so that the acid has easier/faster access to the soluble metals. Please correct me if I am wrong.
@sreetips
@sreetips Год назад
You are correct
@thegreatdeconstruction
@thegreatdeconstruction Год назад
I'm assuming your wife doesn't know about the fact that you use your wedding band in these demonstrations. A brave man.
@sreetips
@sreetips Год назад
She’s has seen the video. And it achieved the desired result: she thinks in a genius! I love being her hero.
@jeremiah1528
@jeremiah1528 Год назад
Beautiful bar dude ❤️....
@Sageofthenation
@Sageofthenation Год назад
I'd love to see the cost of supplies and energy usage, per bar. I'm sure you get this gold cheap, but I have to wonder if such a process is even remotely feasible for anyone that isn't getting the gold on the cheap. Surely, all the supplies must add up and make the value much less.
@AlanKirke
@AlanKirke Год назад
Second that...great comment
@sreetips
@sreetips Год назад
The cost to refine this was less than a hundred bucks - all in.
@Sauspreme
@Sauspreme 5 месяцев назад
The way I understand inquartation, since the gold doesn't dissolve in nitric acid, if you want to get the other dissolvable metals out of the alloy, they have to be able to make contact with the acid. And only with a low enough gold content, will there be enough dissolvable metal within the structure for the acid to penetrate all the way through the surface.
@sreetips
@sreetips 5 месяцев назад
That’s correct. High karat protects the metals from the acid. Reducing the gold in the alloy enables the hot nitric to penetrate, forming a honeycomb structure as it goes, to the very core of each piece. It will remove almost every bit of silver and base metals. The only problem is lead. The only way to get that out is refining with aqua regia.
@PhilipRomeo69
@PhilipRomeo69 Год назад
Nice vid. Happy Thanksgiving to you and mis sreetips.
@markhutchins3643
@markhutchins3643 Месяц назад
Chemistry is crazy!
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