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Reaction products with persulfates


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#1 Conure

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Posted 20 May 2022 - 02:31 PM

What products are produced when persulfates of ammonium and potassium reacts with common fuels like aluminium and shellac?

#2 Alejosnap2

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Posted 31 August 2022 - 06:45 PM

¡Hi friend!
The balanced ecuation is K2S2O8 + 4Al → K2S + SO2 + Al2O3. It's a simple redox reaction. In the shellac case is very hard to know, becouse there are many organic acids in its coposition. When them oxid, generate CO2 gas in major cuantity.

excuse me for my english level.

#3 Richtee

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Posted 31 August 2022 - 07:33 PM

excuse me for my english level.

It’s not about the English. Hell, I don’t even speak/write it well, according to The King :D


I like smoke! On food or in the air equally well.

#4 cmjlab

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Posted 01 September 2022 - 03:30 PM

I'm not sure about any of that, but I did mess around with some Potassium Peroxymonosulfate and it helped oxidize all of the organics out of hardware Sulfuric Acid (as purchased from the hardware store) without any heating. I was following a suggestion from a Doug's Lab video for purifying hardware store Sulfuric Acid.

#5 cmjlab

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Posted 01 September 2022 - 03:32 PM

This also demonstrates my lack of chemistry knowledge, as the two I'm sure are entirely unrelated! (Persulfates VS Peroxymonosulfates)

*Edit* I take that back - it appears there was some level of competence in that users suggestion, the link goes to a theory on the use of sulfates and peroxymonosulfates in Advanced Oxidation in water treatment.....
https://pubs.acs.org...acs.est.9b07082

Edited by cmjlab, 01 September 2022 - 03:35 PM.


#6 Conure

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Posted 06 October 2022 - 11:39 AM

¡Hi friend!
The balanced ecuation is K2S2O8 + 4Al → K2S + SO2 + Al2O3. It's a simple redox reaction. In the shellac case is very hard to know, becouse there are many organic acids in its coposition. When them oxid, generate CO2 gas in major cuantity.

excuse me for my english level.

I appreciate your answer! I knew the products for sulfates but not persulfates. The later adds SO2 to the result.

Does ammonium persulfate make ammonium sulfide then I guess? Nasty stuff I read.




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