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Author: Subject: Make Sb2S3
AlphaDecay
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[*] posted on 30-3-2014 at 20:39
Make Sb2S3


Are these reactions possible, to make Antimony Trisulfide?

Sb2O3 + 6H3CCOOH -> 2Sb(H3CCOO)3 + 3H2O
(True according to wikipedia)

2Sb(H3CCOO)3(aq) + 3Na2S(aq) -> Sb2S3(s) + 6NaH3CCOO(aq)
Antimony trisulfide would precipitate out of the solution

Is this possible?
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elementcollector1
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[*] posted on 30-3-2014 at 21:00


Yes, but... why? Stibnite exists.



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AlphaDecay
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[*] posted on 30-3-2014 at 21:18


I cant find it where I live, so I will have to make it from Antimony trioxide bought from pottery shops
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violet sin
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[*] posted on 31-3-2014 at 00:34


http://www.ebay.com/itm/62g-SUPER-BRIGHT-metallic-STIBNITE-c...
starting 10$, so far no bids, free shipping. 62g so a decent size chunk isn't too hard to find. not saying you shouldn't try to make it, just that it is available if you wanna save the Sb2O3 for something else.
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[*] posted on 31-3-2014 at 09:48


Does Sb2O3 reacts with hydrogen sulfide?
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elementcollector1
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[*] posted on 31-3-2014 at 10:14


Probably, at elevated temperatures. Not recommended, because antimony compounds are toxic and this would likely occur in the gas phase.



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[*] posted on 31-3-2014 at 10:19


Well,

I found this in a book:
Sb2S3 can be made by:
"Reduction by the use of sulphur in excess upon oxide of
antimony (Jannash and Eemmler) or antimonate (Unger)."

Here it goes the page where it is stated:

Attachment: Sb2S3.pdf (242kB)
This file has been downloaded 321 times
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[*] posted on 31-3-2014 at 10:52


Vogel's Qualitative Chemical Analysis suggests that antimony(III) oxide can be dissolved in dilute hydrochloric acid, and hydrogen sulphide will result in an orange-red precipitate of antimony(II) sulphide from solutions which are not too acid. This precipitate is soluble in warm hydrochloric acid.



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[*] posted on 1-4-2014 at 13:01


Quote: Originally posted by violet sin  
http://www.ebay.com/itm/62g-SUPER-BRIGHT-metallic-STIBNITE-c...
starting 10$, so far no bids, free shipping. 62g so a decent size chunk isn't too hard to find. not saying you shouldn't try to make it, just that it is available if you wanna save the Sb2O3 for something else.


I cringe at the thought of one grinding up those beautiful stibnite crystals for chemical use D: haha




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