I think, some of you, folks, met reactions, that you was not waiting for. It would be useful to share this experience, because when you are working
with energetic materials most of such situations are of potential danger. Once I prepared R-salt. Preparation was simple and gave me 20-30 gr of thin
and light yellow crystals. I mixed it with AN. This mixture, been ignited, burned violently. It was rather interesting, because most of mixtures of AN
with reducing agents burned slowly (and this is why I failed, trying to use AN as oxidizer in solid propellants). I was in doubt, or to use AN+R-salt
as a rocket propellant, or to simply explode it. I thought for some days, and once at the morning something happened. It was not an explosion nor open
flame arose, but within one second the plastic bottle with aforementioned mixture transformed into gray clouds of smoke. I have a solid guess now,
that this reaction was caused by trace amount of nitric acid, normally presenting in AN.
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