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Author: Subject: Identification of sodium peroxide octahydrate?
Draeger
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[*] posted on 29-6-2020 at 11:58
Identification of sodium peroxide octahydrate?


I recently tried to make some sodium peroxide using the NaOH + H2O2 method. After my attempt I just forgot about it and let it stand for days. Now nearly all of the water has evaporated and there are clear crystals.

How do I test if it is actually sodium peroxide and not something else?




Collected elements:
Al, Cu, Ga, C (coal), S, Zn

Collected compounds:

Inorganic:
NaOH; NaHCO3; MnCl2; MnCO3; CuSO4; FeSO4; aq. 30-33% HCl; aq. NaClO; aq. 9,5% ammonia; aq. 94-96% H2SO4; aq. 3% H2O2

Organic:
citric acid, sodium acetate, sodium citrate, petroleum
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B(a)P
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[*] posted on 29-6-2020 at 12:14


I would say you have sodium hydroxide crystals, have you compared the crystal form to literature?

[Edited on 29-6-2020 by B(a)P]
Apologies I missed that you said octahydrate, will which does form a clear Crystal and not yellow as I originally stated.


[Edited on 29-6-2020 by B(a)P]
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S.C. Wack
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[*] posted on 29-6-2020 at 15:20


Shouldn't it be easy to estimate how much is peroxide, hydroxide, and carbonate, without weighing anything? A simple plan?

[Edited on 29-6-2020 by S.C. Wack]




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