zenirsar

zenirsar

I Hate the Demiurge!
Aug 23, 2024
38
I got my 99% purity SN ~2 weeks ago and haven't opened it yet. I plan to use it in December, and I am worried it may degenerate to Sodium Nitrate.
Is there any way to differentiate them? I heard Sodium Nitrate turns blood to dark brown too, so the blood test seems obsolete.
 
Solution
Intoxicated
Is there any way to differentiate them?
A nitrite can react with ammonium chloride in a water solution, producing bubbles of nitrogen
NaNO2 + NH4Cl → NaCl + NH4NO2
NH4NO2 → 2 H2O + N2↑

A nitrate won't produce any gases when reacting with ammonium chloride.
NaNO3 + NH4Cl ⇌ NaCl + NH4NO3
(unlike NH4NO2, NH4NO3 is stable and doesn't decompose in water solutions)
R

rozeske

Maybe I am the problem
Dec 2, 2023
3,676
It degrades to nitrate when left in open air in a slow process overtime. You can refer to the sticky thread above about it's stability. Only way to be sure of it's exact purity is to have it lab tested. Next best things are to make sure you bought it from a reputable source that sales it as NaNO2 and can also provide a data sheet with it's properties. You can also do aquarium strip tests though they don't indicate the exact percentage but better than the blood test.
 
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zenirsar

zenirsar

I Hate the Demiurge!
Aug 23, 2024
38
I bought mine from a local lab. It's still in a sealed plastic container. I know it won't most likely degenerate but still, I am very anxious about it.
 
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opheliaoveragain

opheliaoveragain

Eating Disordered Junkie
Jun 2, 2024
1,017
Someone correct me if I'm wrong but wouldn't the panel tests we've seen used here be able to differentiate the two?

I could be totally off base here but I would also recommend checking the stability sticky thread.
 
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Intoxicated

Intoxicated

M
Nov 16, 2023
411
Is there any way to differentiate them?
A nitrite can react with ammonium chloride in a water solution, producing bubbles of nitrogen
NaNO2 + NH4Cl → NaCl + NH4NO2
NH4NO2 → 2 H2O + N2↑

A nitrate won't produce any gases when reacting with ammonium chloride.
NaNO3 + NH4Cl ⇌ NaCl + NH4NO3
(unlike NH4NO2, NH4NO3 is stable and doesn't decompose in water solutions)
 
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Solution
zenirsar

zenirsar

I Hate the Demiurge!
Aug 23, 2024
38
Thank you, I will buy it and test it in December.
 
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