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pepsimax
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I made some galliun nitrate by simply dropping some in conc nitric and piping the nitrogen oxides to safety. Wgen it had dissolved a few days later,
tge stopper was removed and the water allowed to evaporate. When approx half the water had gone a slurry of white crystals formed which were filtered
by vacuum and dried.
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aga
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I think the tricky part is removing ALL of the nitric acid from the product.
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eidolonicaurum
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Is nitrous anhydride not really unstable at habitable temperatures? That picture was taken at about 20C, so surely ~90% of the nitrous anhydride would
have dissociated? As you can see, the solution is a strong green, so this would require a lot of nitrous anhydride.
Another thought: how come, say, zinc doesn't form a green solution when it is dissolved in nitric acid?
The only idea that I came up with was a ligand with nitrogen dioxide, but that seems even more unlikely than your idea, Cheddite Cheese. To my
knowledge, ligands only alter the colour of the ion; therefore if it is colourless, no change appears.
I forgot to mention: in the picture a small amount of water was added after everything had dissolved.
[Edited on 23-1-2015 by eidolonicaurum]
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