Quote: Originally posted by ManyInterests  | Decided to bump this up since I have been working on making nitric acid again, and I am doing it using my new mantle which is being... problematic.
despite making everything as dry as possible I am ending up with azeotropic nitric acid, and nothing wants to distill under 115c. I will figure it out
with a few more experiements I am sure.
At any rate, I do almost 300ml of 70% nitric acid, how much would I need to dissolve it? I don't have the solubility of it in nitric acid.
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Are you referring to distilling a mixture of 70% nitric acid and concentrated sulphuric acid?
I used to use this method to obtain +90% red nitric to further purify thereafter into 99% white nitric.
I used double the volume of 98% sulphuric acid and just set up for standard atmospheric distillation. So for 300ml 70% nitric, I would have used
600ml 98% sulphuric acid. It is a large portion of sulphuric but it always resulted in nice yellow high purity nitric.
The only use for an atomic bomb is to keep somebody else from using one.
George Wald
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