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Rainwater
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If this was done in open air, I would test the reagents.
The less water the better, I use this procedure
https://youtu.be/ldPHzCnRYos
Only modification being in a cold water bath less than 10c, with almost anhydrous reagents.
Turns paper towels into a nice powder.
[Edited on 3-1-2023 by Rainwater]
"You can't do that" - challenge accepted
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arkoma
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I can remember seeing something about an energetic powder made from k nitrate and k carbonate but that is ALL I remember. Anyone got any insight?
"We believe the knowledge and cultural heritage of mankind should be accessible to all people around the world, regardless of their wealth, social
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Bert
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Quote: Originally posted by arkoma  | | I can remember seeing something about an energetic powder made from k nitrate and k carbonate but that is ALL I remember. Anyone got any insight?
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There is an historical mixture called "yellow powder", allegedly percussion sensitive and possibly even a primary explosive in old descriptions.
It was made from a mixture of potassium nitrate, potassium carbonate and SULFUR in 3:2:1 ratio by weight.
The mixture had to be carefully and slowly heated to the melting point of at least one of the ingredients (sulfur being the most likely) with constant
mixing, kept semi molten for a period, then allowed to harden and afterwards be crushed to a powder.
This mixture/product dearly loved to either catch fire or explode during processing. It was also hygroscopic.
There is at least one 1800's patent in USA for use as a percussion priming compound, I don't believe there was ever any substantial commercial use of
this mixture/product. When I tried to replicate historical accounts of production, I had a few accidental fires and failed to produce a product which
behaved as described more often than not. Then ONE TIME, IT WORKED. And damned if I could figure out what I'd done differently THAT time!
As always, if you are going to try? SMALL quantities and personal protective equipment are a must. I recall reading some descriptions by whoever took
out the patent of pound sized batches going off in processing, how he lived long enough to get his patent is a good question.
There is speculation that the mixture + heating process generates polysulfides of unknown stoichiometry/behaviors. It definitely turned a darker
orange/brown color during the heating & mixing process.
[Edited on 3-19-2023 by Bert]
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2. List any points of agreement (especially if they are not matters of general or widespread agreement).
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arkoma
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Thanks Bert. Believe I will leave this one alone.
"We believe the knowledge and cultural heritage of mankind should be accessible to all people around the world, regardless of their wealth, social
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