Nitric acid is very useful for every chemist from a high school student to a professional. You can use nitric acid to make sodium nitrate, potassium nitrate, lithium nitrate, calcium nitrate, and the list goes on.
What you need to make nitric acid are two very common ingredients: ammonium nitrate (which can be found as a fertilizer found at a farming supplier or in instant ice packs found in you drugstore), and hydrochloric acid (found under the name of Muriatic acid at every hardware store or Canadian tire.
To make the nitric acid, start by crushing the ammonium nitrate into a powder, and then add about half a cup to a GLASS container (metal containers interfere with the process, and plastic containers will melt), and then measure out half a cup of hydrochloric acid, and pour it into the GLASS jar of ammonium nitrate. Almost immediately a reaction will take place of hydrogen gas being created and color change in the mixture, and also a tiny bit of ammonia gas will be created.
The reaction formula is:
NH4NO3 + HCl = NH4Cl + HNO3
let the mixture in the jar sit for about ten minutes for the full reaction to take place. After ten minutes you will notice that there are two different color layers: one that is clay color, and another that looks like olive oil.
The clay color layer will make up 90 % of the mixture. The other 10 % will be the olive oil looking layer.
The clay color layer is the ammonium chloride (NH4Cl), and the olive oil layer is NITRIC ACID.
If you want pure nitric acid, just filter it out the liquid nitric acid.
This is the easiest method by far to make nitric acid, as you do not have to buy any of the ingredients online, and also it uses two very common ingredients!!!
515dennisgrantham
.....little question though! how can I get rid of the yellow stuff in muriatic?.. it seems to be sulfur and it´d been giving heck of trouble for the mixing and ammonia,....could it be precipitated from solution as ammonium chloride?...and then...how?
ReplyDeleteother stupid question!.....you said plastic container, it´ll melt...does it mean expose it to direct fire or there is spcific temperature to be reached for solution?...I´d been doing it in plastic can inmersed in a boiler container full of boiling water reaching up 85°C maximum T°
DeleteY don't u use thermosetting plastic lol
DeleteThe tint in muriatic acid is copper chloride from the electrolysis process that produced it. It doesn't have much effect on most refining reactions...
DeleteUr a moron mario
ReplyDeleteThe reaction alone will melt the plastic there is no fire involved lol its ACID! It does stuff like that.
ReplyDeletesome plastics are safe just got to know what kind of plastic ur working with
DeleteNo it a moron notice acid is made from bubbling nitrogen dioxide into water by reacting 80 grams of ammonia nitrate 30 grams of copper and 10 mo of hydrocloric acid for the nitrogen dioxide gas to be guide in 30 to 50 mo of water what happens when someone tries iur crap and hurts or kills themselves
ReplyDeleteHey, I've been using a close formula like this but I've been using hydrogen peroxide instead of water. But my acid isn't working as well as I've read it should. I'm using ammonia nitrate non-coated pill fert. 36-0-0. here's my formula.
Delete50ml water
55ml copper
100 muratic acid
80ml ammonia nitrate
Then filtered through hydrogen peroxide setting in ice water.25ml hydrogen peroxide.
But this reaction is pretty violent and filters great. I do notice that the gas (nitric oxide) as I understand is supposed to be brown. Isn't that brown just barely any brown residue left in tubes. I'm going to run your formula in a few. But you see anything wrong with what I have? Also could I use distilled water? Seems to me that it would be better because of the absence of contamination of tap water. Can you help me with a better acid. This isn't doing well at all. Thanks David
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DeleteCan this be used in applications for precious metals
ReplyDeleteI used it with HCL to digest the gold and it did not work.
DeleteYes, it can be used to help refine gold because it will dissolve everything but the gold and then you just need to melt it down and you have a much more pure gold
DeleteThis comment has been removed by the author.
ReplyDeleteIf ammonium nitrate from instant ice packs is used, how much is needed exactly? It's explained that half a cup of hydrochloric acid is required but no specific amount for the other is mentioned.
ReplyDeleteEric, please read it again. it does say to use a half cup of it. have a great day.
DeleteEric, please read it again. it does say to use a half cup of it. have a great day.
Delete80g nitrates
Delete50ml distilled h2o
100ml hcl
32+g Cu
Can I speed up process by hearing mixture
ReplyDelete*heating
ReplyDeleteSo can this nitric acid be used for gold extraction from " E" waste?and any type of cold packs that I can't use.
ReplyDeleteSo can this nitric acid be used for gold extraction from " E" waste?and any type of cold packs that I can't use.
ReplyDeleteIf it wasn't for us MEN doing what you call stupid experiments, you wouldn't have make up hair spray sustainable crops electricity cars phones virtually everything that we have today started out as yesterday's crazy, stupid seeming, possibly dangerous idea so personally I thank those who had the testicular fortitude to try all of them
ReplyDeleteIf it wasn't for us MEN doing what you call stupid experiments, you wouldn't have make up hair spray sustainable crops electricity cars phones virtually everything that we have today started out as yesterday's crazy, stupid seeming, possibly dangerous idea so personally I thank those who had the testicular fortitude to try all of them
ReplyDeleteIf it wasn't for us MEN doing what you call stupid experiments, you wouldn't have make up hair spray sustainable crops electricity cars phones virtually everything that we have today started out as yesterday's crazy, stupid seeming, possibly dangerous idea so personally I thank those who had the testicular fortitude to try all of them
ReplyDeleteI am a guy and I agree with the lady, its a bloody miracle we still exist
ReplyDeleteThe cold packs here in UK contains only urea, will they work?
ReplyDeleteWhat is the purity?
ReplyDeleteOr rather Molarity?
ReplyDeleteWhich is the best fertilizer to use, I see numbers on all the packages, some say 5-2-0 and the highest I have seen is 40-40-40 so which is the best to use, I also want to use the nitric acid for silver extraction.
ReplyDeleteWhich is the best fertilizer to use, I see numbers on all the packages, some say 5-2-0 and the highest I have seen is 40-40-40 so which is the best to use, I also want to use the nitric acid for silver extraction.
ReplyDeleteAmmonia
Deletehow i can create pure aside nitric 65% and aside nitric 99%
ReplyDeletei not understand this sentence>>>>If you want pure nitric acid, just filter it out the liquid nitric acid.
i want 1 gallon pls
ReplyDeleteThen scale up... If you can't do that math, you shouldn't be touching chemicals.
DeleteThen scale up... If you can't do that math, you shouldn't be touching chemicals.
DeleteI made the acid as directed . then made aqua regia in order to
ReplyDeletedigest gold. The AR is made by mixing the nitric acid with HCL.(1:4 raito) . It did not work. Is this a joke or what?
Aqua regia is actually a 1:3 ratio. Could be why it didn't work
DeleteYou must use hot Aqua Regia to dissolve gold. Heated over burner in pyrex container in good ventilation.
ReplyDeletebut the concentrate of Muriatic acid at every hardware store like 28%......is it work?
ReplyDeleteyes it works very well
ReplyDeleteThank you
DeleteWhat do you do if the compound in the cold pack is "Calcium Ammonium-Nitrate"?
ReplyDeleteDoes it even affect the reaction?
DeleteArguing and name calling are what's going to make us extinct!Can't anyone just say "Hey man thanks for the info and for caring enough to take the time to do it"
ReplyDeleteA-FRICKEN-MEN!!!!!!. Thank you for the knowledge and thank you for the time! Because that's actually the real importance here, not who's better than who (both sides lost BTW) THE WINNER is the one instructing the week and narrow minded like those bitching about who is better at what. So thank you 515dennisgrantham . You rock
DeleteI am in agreent with mark hensley. I have been refining with acids for 21 years.I found out unless you have the lab ware to heat and distill the nitricalot evaporates and it will always be weak. I find it is cheaper to buy it.I talking about the time and and materials to make the stuff and it is not that colorless i have seen it as light yellow and very light tea color usually when air hits it buy it and know whats the strength always the same 70% is best for dissolving any unwanted junk and makes great aqua-regia. You can no longer buy ammonium nitrate in Arizona.if you know a farmer like i do you can get it but its gray prills.containing other impurites.I find that the white and pink are the best for lab & demolition purposes.always use glass bottles brown glass.I stored 2 gallons of nitric for 1 year and the bottles dissenagrated good thing it was in a acid pit.good luck all of you be safe both men and ladies
DeleteI haven't made this for a while, but I was using 93% sulfuric acid (drain cleaner) & ammonia nitrate. It was either a 1.2ish:1 acid/nitrate or a 2:1 if I had a weaker battery acid that I tried to concentrate up to 50%ish
ReplyDeleteHow to get that much of HCL
ReplyDeleteHey I am trying to find a safer way to extract gold from crushed raw or I figured nitric and muriatic acid to aquaregia would be effective but I need to know the correct method of making nitric please help
ReplyDeleteWhat do you use to filter the acid when it's done?
ReplyDeleteThis method is garbage. At best you will end up with a weak solution heavily contaminated when chlorides and the iron contamination from the HCl. Aqua regia may also form. Any ammonia that forms will instantly neutrallize acid and recycle. No ammonia will form in acidic condition like that though. Please remove this before some kid who has no idea gets hurt
ReplyDeleteThis comment has been removed by the author.
ReplyDeleteinformative blog.keep blogging fantastic work.
ReplyDeletefuming nitric acid and concentrated nitric acid
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ReplyDeleteWhat a waste time .just go biy a gallon. Save time.. And you can do the math for gold recover...
ReplyDeletePlease don't try this people. At best you'll just waste a bunch of material. At worst, you'll get a nice lung-full of ammonia gas or even worse, nitrogen dioxide gas.
ReplyDeleteAny nitric acid produced in situ from this reaction will be neutralized instantly or gas out. If you do manage to get some nitric acid from this sloppy mess of a "recipe", it'll be so contaminated that it won't work for any applications. The contamination will also cause it to degrade if stored for any length of time. Furthermore, the acid won't separate into layers as described here. It simply will not happen.
If you're thinking about trying this method after reading it, I would like to point out the biggest red-flag that should turn anyone away. No chemist, and I mean NO chemist, measures in "cups". No chemist, not even a hobby chemist would say "half a cup of ammonium nitrate."
But hey, it's your life. Do what you want.
Just search on youtube. There's good methods that require very little in the way of supplies that will actually work. However, unless you distill with proper equipment, the concentration will be very low but still useful.
My advice: just buy the nitric acid. chemsavers sells to individuals. Or some hardware stores have diluted solutions. Look for glass etching supplies online. I honestly don't think most chemists would find it beneficial to make the nitric acid as opposed to buying it.
Thank you for your honest comment you may have just saved me
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Dont try this at home. 80g ammonium nitrate 60ml distilled h2o in glass coffee pot, disolve, then slowly add 50ml sulfuric acid concentrate, apply heat gun about a inch from the bottom of coffee pot on med heat. My Milwaukee heat gun has 2 speeds use only 1st speed. Heat for 2 to 3 min until pot is warm NOT hot. Use within 5 min for a 40 to 60% nitric acid reaction. Thats how we do it in oak cliff texas
ReplyDeleteThis video describes how to make fuming nitric acid (concentration 0f 95%) from cheap household products:
ReplyDeletehttps://youtu.be/dIWXU520vnE