Ancient gold smelting rare today. extract recovery process of refining gold to remove any impurities
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- เผยแพร่เมื่อ 8 ก.พ. 2025
- @MakeGold Smelting of rare antique gold. The process of refining gold to remove any impurities that may be found intermixed with the noble metal is an ancient practice that has long been employed by diverse cultures. One of the earliest gold refining equipments employed by ancient metallurgists was the blast furnace - by then a rudimentary structure built with clay, stone, or roughly hewn rocks which were fed with wood or an assortment of biofuels derived from the dried fecal matter of animals. The blast furnace was used in tandem with the crucible, one of the oldest and perhaps still widely used metallurgical instruments to this day. With the methods of gold refining being perfected through the decades, even rustic objects such as clay pots and later on, cast iron equipment were employed in the quest for purer and finer examples of gold.
Ancient gold smelting rare today. extract recovery process of refining gold to remove any impurities
Gold Smelting
Gold is purified by means of a smelting process, which utilizes pressure, high heat and chemicals to accomplish the task. Like any metal that appears naturally in the earth, there are impurities that must be removed. Removing minerals and other impurities allows gold to be used in its purest form, which is necessary in many applications, particularly in jewelry and electronics. Gold is utilized frequently for electronic applications because it does not tarnish or rust over time.
Smelting
Smelting is a way of obtaining metals from a mineral-bearing ore and dates back to pre-historic times. It usually involves the reduction (reduction reactions are those which take electrons from elements, reduction being the opposite of oxidizing reactions) of metal oxides (the ore) to metal and the formation of non-metal oxide waste known as slag. It is a chemical process and does not simply involve melting the gold. It sounds like alchemy, and it almost is.
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Thank
Nice video what are those black powder is that grind impregnated activated carbon? Or carbon ash?
Whuch ashe use for
Would love to have better description of materials used not just the video.
I do love the ancient sounds of a two stroke engine running.
Xxtv pop Drr
Ilovetheplatypus well, it is very ancient. The sound you hear is obviously a baby dragon breathing fire into a hose.
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LOL LOL LOL LOL
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Health & Safety could learn a hell of a lot from these guys. Amazing.
The ore is smelted with lead oxide from previous operations, then subjected to cupellation, chemical treatment with acids and smelting. Repeated cupellation minimizes the expense of reagents in chemical operations.
The final product of this process must be electrolyzed to reach the maximum degree of purity.
Much of what I know I learned here on this channel. Thanks for the videos.
I like this video a lot (although I also question "ancient" in the title), but I really wish there was some subtitles or something to point out what's actually happening. It's a bit hard to follow when you don't even know what materials they're using. :)
They are basically doing the same thing that sreetips does in his videos. Enquart gold (3 parts lead 1 part gold). melt mixture. pour off into bucket to make little chunks of it (for easier dissolving in the next step) . Dissolve the lead out of the pieces by using nitric acid ammonia and other chemicals at around 6:45 the chlorine gasses are flying up because of the reaction . don't really wanna breathe that in. They are left with pure gold dust after that step. they then take the dust and melt it into a bar of presumed high purity.
Thanks, good video and informative. I sit and read all the comment's, so many ignorant people. I think people look to say negative thing's just to say something. That gold button is worth a couple thousand dollars. In the USA a $1 buys nothing, in other countries it feeds a family for a couple days. If there is a step you dont understand look it up. All the chemicals used have been around, forever. Again Thank you.
Primary smelt followed by cupelling then acid separation.
Cupelling is the process of using lead to gather gold and silver from the raw ore in the first smelt.
Tiny beads of precious metal don't always fall to the bottom of the pot or stick together; lead soaks them all up.
Heating the lead/gold/silver mixture in a cupell (the flat looking crucible) causes the lead to oxidize and be absorbed by the porous crucible.
The leaves mixed gold, silver and other metals which are separated by a nitric acid wash.
The blue-green color in the acid wash is copper; dissolved silver is clear.
This leaves a fine gold powder behind, which can be very pure; 99.9% or better.
The nitric acid can be recovered, the lead can be recycled as lead ore.
Much cleaner process than it sounds.
interesting, thank you
Given that there was ZERO description of what was going, yours is the only comment that gave any illumination.
that ancient air blowing machine is amazing
Jacob Hoffman That's what I wanted to see. In ancient times they used blow pipes. I wanted to see how that worked.
I love the smelting rated sandles
Meu super like amigo 👍👍👍👍👍👍🍀🇧🇷👍😁
Thank You
Grande Adriano. Se viu o tanto de ouro que o cara garimpa nas placa aí ? Kkkk
Looks like they inquartered the gold with copper, poured it as shot, used nitric acid to eat the copper away leaving gold calx that was then fused.
Yes, exactly right.
Grant Stewart how are you i think u so fine and i wanna talk with u on smelting method can i talk with u
ah so it was copper you think? i was unsure if the copper was a contaminant, and the inquartation was done actually with silver. Lead could of been used also and been removed during the cupellation
@@rana9299 bruh you are weird AF
I love the gold sand. its the most pure gold of all and customs have no idea what it is
This was really helpful! I’m studying about the refiners fire with scriptures such as Zechariah 13:9, Revelation 1:13-15 :-) This helped me with a visual! Who would have thought your video would help with that! God bless you!
A nice, tidy work area..
ancient electric fans and ancient blue chemicals. is there nothing we can't learn when we look to the past.
Lol.
Georgius Agricolae describes some acids in De Re Metallica !
Why do you assume blue chemicals didn't exist in the past? Do you think chemistry didn't work until 200 years ago?
they sure as hell didn't have electric fans.
lol
Looks like a labor intensive process. What was it processed out of?
Hermano me encantó tu video
ZERO description of what is going on or its purpose.
This is great!
1.Did they use chemicals?
2.why did they use chemicals when they can have it through smelting?
I hope an expert can enlighten me about this matter.
Very good working skill
I like the safety shoes they are wearing....
Safer than wearing regular shoes actually. You can kick them off easily and anything hot that falls on your feet will be kicked off in the process. It still won't feel too good but at least it won't be stuck to a now burning shoe.
logandh2 Yeah, those are sandals...if they screw up they will be kicking the melted material off their flesh...did you even see what they were wearing?
hahahahah that had me rolling.
T H fa،،،_،فيام
فل
thats what I saw first thing
"the ancient way of refining gold" -proceeds to turn on leaf blower-
you do know they had leafs in ancients times...
@@aSirludvig 🤦
Yea they had leaves in ancient times........ BUT NO LEAVE BLOWER..... Dumb twit !!!
@@aSirludvig i replied 5 months later... I sure do hope... You had grown atleast a handfull of brain cells by then.......
@@silverghost4206 You do know that a person have more braincells in the head that the rest of the body!
I want to know about this process in detail what they add and what the material i need for geting gold from sand
very nice prosis of gold i like
I thought this would be about refining gold by fire... what I saw was chemical refining with an acid. is there a way to refine gold by fire, or did the ancients have hydrochloric and nitric acid?
The process is ancient, first used probably by egyptians.
Youre missing the point, its the process was used in antiquity, although the tools here are modern. Id of loved to see notes and commentary although i do pretty much understand what theyre doing anyway
What do u mix dust with other chemical???
lipo sucks ion
Soy de Venezuela amigo ayúdame hermano te pregunto la pirita contiene oro que tipos de liquido utilizas para refinar y extraer sólo el oro
اصهر التراب الحامل لذرات الذهب مثل البيريت والميكا مع رصاص ثم بخر الرصاص حتى ينقطع الدخان ثم صب الرصاص بعد التبخير في اناء ملى بماء من اجل حمض النتريك ياكل الرصاص ويبقي الذهب على شكل تراب بني اصهر التراب البني الذي يبقى من الصهر مع بوركس وصبه سبيكه ذهبيه
what kind of metal they platlet.. that lead..
Donde vivo tengo ese material me gustaría hacer la prueba a ver que puedo sacar amigo ayúdame con eso
great show!
hello please tell me what is this metal?
Scrap card and computer parts and mobile card and mother bord cpu
CAN ANYONE TELL ME WHICH CHEMICALS ARE USED IN THIS PROCESS??
What are those black powder? Are those grind activated carbon?
Can I get the information about silver smelting from its ore
The ancient method of mix all the things like soup and powered by ancient motor fan...>>
Where does the gold enter in the video? I can't tell.... The dirty looking metal disk? What is it?
It's about a grand in gold.
what grade was the material used (ore) to recover that gold?
Hello, please tell me, what exactly do they melt, is it lead or something else?
Yes they smelt the gold and other metals into lead then they cupel the lead into bone ash to remove the lead and non gold/silver metals
I like the heavy duty footwear.
What are all chemicals used with dust
excellent work from partners
is there any simpel way of refining gold ? lets say i got a bunch of old gold jewlery 14 k and want to purefy it into 24 k ? without using all kinds of chemicals , is that possible , if so how ?
no it is not possible.
Electrolysis
We do same in surigao del norte phillipines...
Ah yes, the ancient eletric leaf blower
pleases Tell me the name of the chemicals that you mixed in soil
Muito engenhoso, por favor que material é esse que ele funde acinzentado, e qual o líquido que o material é fervido, e depois como apurou?
Awesome!!! 👏🏼
hola amigos me gustaría saber endonde consiguen los crisoles se los agradesco mucho y felisidades por el trabajo que asen muchas gracias
what is the material of this crucible?
anybody can tell me that when smelting ashe then how precipitate gold silver platinum and palladium
Sir may I no the solution what u have burn and any chemical is used
WHAT IS THE BASE MATERIAL 😊😊😊
This was interesting, but not very ancient. How did they smelt gold 5000 years ago?
Ancient use generator or motor machine?
Ancient my ass when I saw 2 stroke engine fan and a cell phone, Rolex watch, bulll shit laugh so hard I shitted my ass off.
Is furnance is running on waste oil ?;
What is the process taking place at 6:22?
เยี่ยมยอด
Which country 🤔
i get it when the gold falls to the water it for many circle drops right?i see it in yhe slow motion
It's called Aquarting the Metal, it flakes it some what flat ( @ 5:45 ) for the next process of recapture & refine with AR ( Aqua Regia @ 6:19 Red gas fumes are DEADLY! ) that separates gold from all other metals ( The blue solution is silver @ 6:35 ) it is then refined with HCL or HB and reconstituted by precipitation using SMB which makes brown gold dust powder.
very nice gold prosecutors
@6:20, you can't beat the fresh smell of acid in the morning !
you know you need cash when theres an ad every 2 mins
Hi, Why did you make a form of calcium hydroxide? thank you
I got process but what they are adding
God job
very healthy
Chuck a smoke in ya mouth to finish then there away
4-5 oz gold in that button?
They make gold while we make comments LoL 🤣😃$$$$$$
Iwant full video
nice
Esse pó fundido no começo do vídeo é pô de chumbo?
Vi seu comentário tenho o pó de pedra moída eram laterita dicas em Ouro Não consegui pelo processo mercúrio pensei em fazer com ácidos mas depois de ver esse vídeo e ver seu cometario tb acho que e po de chumbo e o líquido oque vc acha que e...
how to black sand cagetch gold. ???
I didn't. know the ancients smelted gold amongst piles of garbage and with leaf blowers
What are the Raw material used here?
copper, bronze
what is the name of the place?
was it boiled in blue soap.?
boiled in nitric acid, that is copper nitrate that is the blue color
I wanna know where da gold at!
Is that you little leprichon
i think they playin with bronze or sumpthn. not a pigsty for gold
this is ancient tech.
probably used to this day in thailand whete this was filmed.
instead of elec.fan a hand driven blower would have been used and hardwood charcoal for fuel
if its Ancient gold melting ,to me they are using chemicals they would not have back then so how would that be Ancieant and it help if it could have some kind of translation .
Where is this place?
This is in Thailand
If i was doing this i would wrap ma legs with double blankets
The sand is it the sea sand? Can i use red sand or blacck sand like this thanks frnds i need your answer?
people lost legs this way years ago.....that cauldron is eggshell fragile.....renew regularly.
To whom it concerns (myself included), ANCIENT can also mean: Old-fashioned or Antique.
I was thinking ancient, as in how it would have been done without modern amenities.
I wasnt aware they had electric blower motors in ancient times..?
Hope their quarters are fulfilled with luxuries....
cause their laboratory. ...gives too much to wish for...
i think they playin with tin
yup, ancient propane forges... them bronze age peeps were popping...
If I ran this ancient method of gold recovery in New Zealand, I would probably be in prison.
❓ Why
@@computersciencesolutions1 health and safety regulations
That’s why you should have children do it in Thailand for you
whats the music at the end??
And this is how you make gold in fallout 4
Хароший горн!!
Now that’s what I’m talking about
U need catleytic convertor i sell this
I wouldn't buy anything from someone illiterate
Nic
Didn't realise they had gas back in the day.
The piles of slag and random shit lying on the floor around the work station would drive me up the wall.