I know this won't make much sense out of context .. I want to thank you for being one of *THE* most honest people on RU-vid. Your successes, your failures, it doesn't seem to matter to you, and this is only a good thing... Whatever happens, you address things for how you see them. And you present that to us in raw form. I for one greatly appreciate the lack of *any* sugar coating. Thank you Sreetips, if that's your real name... [🤣] *ALL* of your work is greatly appreciated. Doesn't matter if we can use it directly or not... It is all useful. Please never stop being you, man. This is the kind of content the world needs. And I'm here to see all of it.
Yea. It just does not transform into something else. To transmute gold into lead you would need to put it into a nuclear reactor. Plenty of donuts will believe it is ruined and lost though.
Actually it does react with oxygen but only in specific conditions. This is what the H2O2 (here) or the nitric traditionally does, donates oxygen, briefly creating an oxide that the chlorine in the HCl then can attack. It's a "pretty" dance on paper.
This is why this channel is so good - unadulterated videos showing the highs and lows. From my point of view I cannot think of a form that gold would take that would render it completely impervious to re-dissolving in aqua regia. However I could be wrong and maybe a certain percentage will remain unreacted - we will have to stay tuned! :)
The obvious first step is to simply add distilled water to the chloroauric acid crystals. We already know that it readily dissolves in water. The only real concern is that some of the gold may have become airborne particles and went up the fume hood.
We should have an Annual Sreetips channel meet up / hang out. Open bar between 5pm and midnight ! We can meet in Vegas and we could bring precious metals to melt and play with lol
Great video Sreetips! I asked you sometime back if you could do a demonstration of what would happen if you had lead in the solution. Thanks for the demonstration!
I just got to the end of the video and I'm super impressed. When you buy gold (III) chloride crystals they come as a bright lemony yellow solid. You can see some in there, especially around where the crystals were forming at the meniscus at the phase change from liquid to solid. The purple/brown solid looks to be the hydrogen tetrachloroaurate in the anhydrous form (I'm guessing as I've never had a couple of thousand bucks to burn away!). You really ripped most of the water molecules out of that one! Nice work. Yet another interesting, if unintended experiment in the name of science. I don't think Mrs Sreetips has much to worry about. Some more HCl and H2O2 or AR should sort that one out fairly easily although an extremely tiny amount will have sublimated into the air.
@@PaulBrown-uj5le True it will be tiny but gold chloride does have a tendency to sublime when heated. Can't tell you at what temperature that becomes an issue because I can't remember - I did inorganic three decades ago - but I'm sure it will be online somewhere.
Now that's a cliffhanger, and I honestly never thought I'd see one on your channel, well done! I love that you do this just to educate us, and it's greatly appreciated. I know it's still recoverable, but seeing mistakes, and how to avoid/correct them is fantastic, thank you.
Sir just add distilled water and hydrochloric acid I would think that would bring it back? This has been very informative and interesting thank you for sharing this with us six stars
Loving the cliffhanger element to your pattern of storytelling. Thank you for lubricating the process with some lead...which led us to this place of opportunity to discover what happens together in a fun and exciting way. Looking forward to the next steps here. Thank you so much for these insights.
I'm pretty sure, from what I've read, that you can reduce that dried Chloroauric Acid to metal again with just heat. Same as if you can precipitated with SMB. Don't even need borax. But I have read a lot and could be crossing this up with another thing! You certainly can't kill it, even if you had melted it into the Pyrex glassware. Before the discovery of things like SMB this was a way it was done. Also, you can purify with crystallisation as well as filtration can. So if you had stopped earlier and left it to cool and collected the crystals, and did this a few times, you'd get very high purity gold. Usually you find that the crystals collected at the start look different to the ones collected at the end, signifying that there is another metal or compound present.
I can't see why you couldn''t recover your gold out of that dark residue with a straightforward aqua regia treatment. You might have to cook it for a while. I shall follow with interest!
I think that adding distilled water first to rehydrate the crystals, if they can be called such, and then add fresh aqua-regia and then of course heat and I think it will go right back into what it was before bring brought down to this dry form. If this works out this may be a way to store gold in a form that would not be recognized by the average lay person, and you could label it Refining waste and no one would be the wiser. LOL
Great video how to make stannus chloride. Seeing gold, platinum, and palladium colors on stannus chloride strips. Awesome. Getting lead out a gold solution. Awesome. Then burning the gold. Lol great video
Very informative video. I love it when you introduce things like this into the experiment for your benefit and ours. Been watching your videos for years and am glad you finally did this. Go Sreetips!!
Another amazing Streetips video. Sucks that this happened, even a highly skilled pro like yourself can have slip ups sometimes. Just shows you're human. Hopefully there is a way to resolve this issue with no loss. Also, you're welcome for suggesting to add lead to see sulfuric acid in action, I knew it would be a cool experiment, even though I got flamed by a few commenters for suggesting it.
I did the same thing yesterday. In fact I've done it many times. You have highly acidic crystals, they just need hydrating. Some gold will already be in metallic form, beautiful gold. Super Super fine, like tiny specks of glitter. Not a problem just drop it out.
Heating the Auric solution until it dries is actually a good method after using Aqua Regia to evaporate any leftover nitrates, which could redissolve precipitated gold back into the solution. It that case however, it is enough just to dry it out, not burn it down.
Hello Mrs and Mr sreetips. I am so happy to join the best chanal om youtube again. I have going to cronical pain in my body,but finally i get good help from my doctor 🙂 What a shame you gold loss. I have not see the full clip but i read the first words. Have i nice day both of you Sit. Arne
@@sreetips Sir...and so many new people in the sreetips family. Say hello to you family my friend. God bless the family and you Sir. You doing yust fine 💌
Well I am guessing that since you have a mix of yellow and brown in the beaker, some of the gold has become the anhydrous (brown) and some is still in its monohydrate form (yellow). Now it is possible that the excessive heating may have converted the Gold (III) chloride into Gold (I) chloride driving off Chlorine gas in the process. If that did happen then when you go to rehydrate the powder it is possible that not all of it may dissolve. 😅
Yeah, possibly, it could be a mix of both like you say or there could be something else going on we don't know about, but that's the next episode of Sreetips crazy gold show😂😂😂
This is a great answer! The anhydrous form should be red-brown and agree with the (III) to (i) oxidation state. Bright, lemon yellow to a darker orange-yellow. More heat would result in dismutation --> elemental Au + more in (III).
Thanks streettips.. The alchemy stuff I've read is the red is very very powerful .. Like 1/4 what you grab in twesers In a quart of everclere. Than put a drop of that in your fav beverage 2 times a year
15:49 solution in the funnel looks unironically like sunny delight, haven't had that stuff in years, i don't even know if i even see it in stores anymore
Oh man.. what a cliffhanger. I've always wondered what would happen if you cooked the gold for too long... I always figured you would just have to rehydrate the burnt crust but now seeing it in person I don't know if it's going to be that easy.
I have a strong suspicion that will readily go right back into solution. If water alone doesn't get most of it, a little extra help from a bit of HCl/H2O2 would get things right back where they started
I think it will desolate pretty good in aqua regia. Maybe a small amount lost but it can be recaptured in his filter collection. I don’t think he has actually lost any gold.
yes that is lead chloride Pb(NO3)2 + 2 HCl → PbCl2(s) + 2 HNO3 is the formula according to Wikipedia also there might be a reaction with lead oxide directly with the hydrochloride PbO2 + 4 HCl → PbCl2(s) + Cl2 + 2 H2O i think this is the one following the gold until you add the sulfuric acid.
I would dissolve it in HCL, you may need to add a little nitric , then PPT out with stump out. Or you could send it to Jason at mbmms and he would smelt it out with some borax and a collector metal :)
Mr. Sreetips, you’ve shown at least three times your procedure with gold reacting with nitric acid. This is more or less what we find in literature, different wording here and there: Nitric acid can attack on the gold atoms and can remove gold atoms from the gold piece submerged in it, but those gold atoms get back to the surface of the gold piece. This happens due to equilibrium that is achieved very early. Deeper details: The simplest answer to this question would be no, gold does not dissolve in nitric acid. Nitric acid can remove gold atoms from the submerged piece of gold in it, but equilibrium is established quickly and those dissolved gold atoms again get back to the surface of the gold piece. Even concentrated nitric acid cannot dissolve gold, equilibrium will inevitably establish in it. Nitric acid only turns the gold atoms into gold ions, as gold is still in the form of a single element it will go back to the gold piece. The chemical formula of nitric acid is HNO3 and that of gold is Au . Although, if the mixture of nitric acid and hydrochloric acid is taken with 1:3 proportion respectively, gold will dissolve in it. This mixture is known as aqua regia. The nitric acid in aqua regia helps gold atoms turn into ions and the hydrochloric acid helps gold ions turn into tetrachloroaurate anion. After gold turns into ion form, chlorine attacks it to form tetrachloroaurate and as that is a compound of gold, it cannot be separated to simple gold. Thus, gold remains dissolved in the solution. The reaction of it is shown below. Au+HNO3+4Hcl⇆AuCl4−+NO+H3O++H2O Nitrogen oxide and water are formed as by-products. Note: Although gold and other noble metals can dissolve in aqua regia, they cannot dissolve in either nitric acid or hydrochloric acid separately, however concentrated they are. The functions of both help each other in dissolving the atoms of gold and other noble metals. The bug in my head every time you demonstrate that tells me: 1) either the gold power when you follow some procedure is in the form of nano particles (the chemical term for the so called fine divided state - usually we see some purple when the gold is “finely divided), or; 2) every on e in a while your distilled or purified water has chlorine traces to trigger that reaction. If is really intriguing. I brought this to the forum about 2 years ago the people just shut me up and told me to investigate a few things.
gold can neither be created nor destroyed, just add HCl and water to re-hydrate it and if there's still any solid metal after than just add nitric or peroxide to re-disolve it.
Well, at least we know there’s no excess nitric in it 🤔 Maybe rehydrate with distilled water…. That’s what would be done if you purchased those crystals for lab use. If all else fails you can explore using piranha solution 😄
Random question. If i bought a bunch of gold, dissolved it into solution so it just looked like yellow water, kept it in a 5 gallon Poland spring jug, overtime would it fall out of solution? Asking in an apocalyptic scenario where a gold bar is much more easy to identify an steal than yellow liquid
Dissolved gold won't come out of solution without some external cause. There is that true story about the Nobel gold medals that were dissolved to keep them safe from the Nazis.
Gold wouldn't come out of solution, but your Poland Spring jug would disintegrate in short order. Assuming it's kept sealed in a vessel that it can't attack, metal solutions in aqua regia are stable indefinitely.
This would have been a great time try a bit of drug store iodine on one of your filter papers to test for lead. Hopefully you can rehydrate and recover from the mess at the end.
Lead chloride is white and dissolves in water. So as you washed the paper, you were re-dissolving the lead back into your aqua-regia. That's why your solution was cloudy .
Lead Nitrate. Lead chloride is poorly water soluble while lead nitrate dissolves pretty quickly in water. Interestingly, lead only dissolves into nitric acid sparingly.
@Halloween111 when we precipitated silver chloride we always washed with water. Preferably hot. Always had a hard time getting lead nitrates to dissolve in water.
I think one or other of the comments will be right... it is chemistry after all. But, this is story, and there needs to be grand theme. We started with lead (and a bit of gold). I see Sreetips adding H2SO4 filtering and throwing the paper in the trash. We will again have lead (and a bit of gold). Beautiful story line with biblical notes... remember metal you are lead and unto lead ye shall return. Who said this alchemists were wrong, they just had it backwards. 😉
I’m sure you will work your magic! Have you thought about getting a chest harness for your go pro? It’ll make it so you won’t have to work around your tripod and stop it from getting it in your way. Just a thought!
39:36 you did most of the hard work so from here it’s easy even NaOH and sugar will get your gold back from the hydrated solution, or you can switch the sugar for oxalic acid… or you can use sodium nitrite solution to hydrate and precipitate the gold at the same time… options are countless
I took the easy, familiar route; rehydrate with HCl and hydrogen peroxide, filter, precipitate with SMB. The ingot still came out trashy looking. Might have been the dirty melt dish.
It's fine. You're partly right about chloroauric crystals, assuming any survived. The rest of it thermally decomposed into gold and lead oxide, possibly an alloy if the lead didn't oxidize. Hard to say how much of each since both substances are yellow to brown in color. If you deal with lead in the future, might be worth looking into bone ash cupels.
NOOOOOOO! NOT THE GOOOOLDDD! Sreetips, how could you?! I trusted you!! I can hear Mrs. Sreetips yelling from over here! My ears hurt! Jokes aside its gonna be fine
Why don't you pour the extra silver nitrate solution through your partially filled anode basket, mr Sreetips? That way you can replenish the amount in the bowl below AND you enhance the conduction through the silver shot somewhat, in my opinion
I believe the precipitate that was in your solution was lead nitrate or lead 2, lead chloride is soluble and nitric acid but lead acetate is not, so it may also be lead acetate
Mr Sreetips, i've heard the gold can only be saved on a full moon, 3 hours after the witching hour. You'll need a lot of frogs legs and newt eyes though. and curse words.
Lead shot could have tin and antimony . They use them to make it harder. 92% lead 6% tin and 2% antimony is a common formula used to make it harder. like anything in this world there are many different formulas to making lead harder. that is mostly for casting bullets and i have seen silver in those alloys.
16:52 I would put money on it that you have removed all the lead that you added. If you were to weigh the powder left from the lead sulphate and chloride it should weigh a bit more than the lead you added. I'm surprised at how fine the lead sulphate is. On that note, what process gives you the finest particle size of gold?
Conditions vary. I’ve seen it do fine that the amount of gold powder seems like you got ripped off. But then it’s all there (expected yield) when I go the melt. I don’t know what causes that to happen.
Ever since I began watching your videos, I wondered about the lead thing. Now I know. Very informative and interesting. Since you ad sulphuric acid in each refining step, do you encounter a lot of lead when you process your paper filters en masses? I would think hundreds of them would contain an accumulation of lead.
I sent you an email a couple of years ago about a stockpot that was given too me. I finally decided to tackle the problem. Im running into some weird issues. Im considering trying electrolysis for the copper, silver and gold. But, I don't know what this sludge is made of 😂. So far I have taken 5 200g samples but there's something interacting with the solution that's making nothing come out of solution. I use stanus to test for gold and hydrochloric acid to test for silver. The only thig i have been able to find out about the original solution is that the person used "a lot of SMB to neutralize everything." I don't even know what that means 😂. If anyone has suggestions let me know. This is a bit of a personal vendetta at this point.
I'm looking forward to part 2 of this one. Will you rehydrate it, will you redissolve it, or will you do something completely different with it? It'll be fascinating to see. 👍
It was a blessing in disguise. I got to spend quality time with my daughter. And the burnt chloroauric acid solution made some new and interesting content for my channel.
I really like to do experiments where there is little to no literature on the subject. As we already know lead in your gold is bad, but how bad when you have an extreme excess of lead, what will happen. I'm excited for the results, and the solution to fixing any issues.
I had a jeweler who was trying to roll some gold thin. It would crack and break into pieces as he rolled it. So I refined it for him, alloyed copper, zinc and silver to make 10k gold. He said it rolled like butter after that.
