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Author: Subject: Making barium nitrate from barium carbonate without nitric acid
Jmap science
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Making barium nitrate from barium carbonate without nitric acid

I do not have any nitric acid but I do have potassium and strontium nitrates. How do I make barium nitrate from barium carbonate. I was wondering if there was a reaction to make barium nitrate without nitric acid or nitrogen oxides.

I will use the barium nitrate to make nitric acid by addition of H2SO4. The flask would be chilled and filtered to make conc. nitric acid.

I have been working on a way to make conc. nitric acid from a conc. acid and potassium nitrate without distillation. I got the idea from chemistry hideout. I want to improve on it.
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This should be posted in beginnings, just search on google, and with a tiny bit of you can figure this out.

Add hydrochloric acid to make barium chloride, then add to a hot solution of sodium nitrate and let cool. This was stated on wikipedia.

This other method may not work, but you could try adding copper nitrate to the barium carbonate.

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Brain&Force
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 Quote: Originally posted by TheChemiKid ...you could try adding copper nitrate to the barium carbonate.

Won't work. Barium carbonate is insoluble.

A similar synthesis and distillation has been done before with calcium nitrate and sulfuric acid. Don't waste your valuable barium.

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bfesser
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22-1-2014 at 15:28
phlogiston
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Dissolve in molten ammonium nitrate. Research well before attempting this, because melting ammonium nitrate can be dangerous.

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bismuthate
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How about NO2 and barium oxide from the decomposition of barium carbonate.

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Jmap science
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Would barium carbonate and potassium nitrate work?
TheChemiKid
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No. Barium Carbonate is insoluble in water and basically anything else.

Go for the calcium nitrate instead of the barium nitrate, but if you really want to use the barium, then try either the NO2 or the HCl/NaNO3 method.

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if you have strontium and potassium nitrate, why don't you buy some? seems like the most logical solution, especially because barium is not the friendliest ion to work with when soluble.

Jmap science
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woelen

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If you have hydrochloric acid, then you could try making a solution of BaCl2 from BaCO3. Making very pure BaCl2 from the pottery grade BaCO3 is not trivial, but if you intend to use your product for pyro-purposes, then you need to be less stringent on purity. You also do not need to isolate the BaCl2, you can keep it in solution.

Here is my webpage on making BaCl2.2H2O:
http://woelen.homescience.net/science/chem/exps/BaCl2_2H2O/i...

To the solution of BaCl2 you add a solution of KNO3. Ba(NO3)2 is much less soluble than KNO3, KCl and BaCl2, so that should drop out. From a single step you get mostly Ba(NO3)2 with a small amount of K-ions and Cl-ions in it, but that is not a problem for pyro-purposes. Otherwise, you need to recrystallize your Ba(NO3)2 from quite a large amount of water.

This also works with NaNO3 instead of KNO3, but the resulting Ba(NO3)2 will contain some Na-ions in that case and if you want to use it for pyro-purposes, that is not good at all.

[Edited on 23-1-14 by woelen]

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Jmap science
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Thanks
markx
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Well, the method that I used, was to add a slight stoichiometric excess of BaCO3 to ammonium nitrate solution and then boil, boil, boil until no more ammonia fumes evolved. Ammonium carbonate will decompose in boiling water and will therefore be expelled from the solution. What you are left with is Ba(NO3)2 solution. The boiling will take a LONG time though....as I remember I kept the kettle simmering for 2-3 days. But in the end you are left with a nice crop of crystals. Filter, purify and dry them as needed. Beware though, that water soluble barium salts are very poisonous. Take the neccesary precautions when handling them.

[Edited on 23-1-2014 by markx]

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Why did you take away the picture?

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Woelen's procedure sounds good to me, but if you take the KCl contaminated crystals and dissolve them in sulfuric acid, wouldn't you be making aqua regia with the nitrate? Would distillation cause the nitrosyl chloride to escape and decompose?

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Brain&Force:

Good thinking. Always expect interactions!

However, I suspect the only way to form some NOCl here would be by the action of conc H2SO4 on the dry chloride and nitrate salts.
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This is rather off topic, but I want to make nitric acid from Barium nitrate, (Jmap science gave me the idea). I have 98% sulfuric acid, and pyro grade Ba(NO3), I mixed them in stoichiometric proportions, and waited.
The problem was that even though Ba(NO3) is insoluble, there was just way to much solid in proportion to the liquid. It just looked like there wasn't any liquid at all. The HNO3 was fuming out from the heat generated, what should I do. I'm not asking to be spoon fed here, tried a few different ideas, and have worked on this since the day this topic was started, but nothing has worked.

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Dissolve the barium nitrate in water first. Or, you could distill the nitric acid (however, you might as well do this with any other nitrate.)

As below, so above.
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The whole reason that I want to use barium is because I don't have a distillation setup. I know I'll have to get one at some point, but I can't afford to drop the required $100-$300, at least not now. Nitric acid >95% is not required, but I'd like it to be as con. as possible.