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pyrochemix
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ok im not extremely experienced but i was working with a gunpowder like mixture (charcoal, kno3, ground up matcheads which i think are phosphorous and potassium perchlorate) and i was soaking it in 25|75 rubbing alcohol cold water mix in order to let the other ingredients soak into the charcoal, i put it in a aluminum foil makeshift drying sheet and put under 12v lamp to dry, i noticed what looked like liquid aluminum forming in the solution and immediately i tossed on nitrile gloves , safety glasses and a doctors mask (best safety gear i had readily available) then i looked it up, and found that damp nitrates and aluminum powder( dunno bout foil) create a nitrate reduction process that creates amides thus making the mixture ready to explode at any moment (keep in mind this was just testing if this stuff would be good for use it was only 2 drams of powder and 2 of the alcohol water) anyway i got rid of it nothing exploded but a bit of the solution spilled, i read that aluminum is a neurotoxin in large amounts but i should be safe when it comes to that, and dust particles act like razors when breathed in or got in eyes (but they were damp so they weren't airborne) as you can see this was a bit of a mishap and i have the rest of the solution in a small container, im just wondering how worried i should be about all this *i also had a small cut on middle finger it is possible small amounts of the solution got in it*

I have no degree in chemistry only amateur experience ? should i be worried or rest easy?
pyrochemix
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CyrusGrey
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Aluminum is generally passivated by a layer of oxide. A very fine powder is more reactive because of a huge amount of surface area. I don't think nitrate is going to make any kind of very unstable explosive with even a very fine powder though.

You've only made a solution that is a bit flammible. You could just let it air dry and then you would have a weak gunpowder like mixture like you said. Just be careful how you set it off.

Also, this is a public forum. Please don't ask for email replies, since that would only give information to you and not anyone else.

If you use the search engine a bit, you could probably find some of the threads where members have suggested some basic pyrotechnical experiments. Remember to use small amounts.
pyrochemix
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Thanks then, its not the flammable part its just it could catch on fire and all my work of trying to get kno3 (had to go to an alternative religion shop to get it) and this is the last of it i was also kinda worried bout the silvery stuff, anyway i dried it on something else, I lost a lot of it in the process but i got a coffee filter thats like flash paper now! this would work nice if i had a proper method of cakeing a pound of this stuff!, sry bout the email thing too

just wanna say now I've finished drying and grinding in mortar and pestle and Im throughly impressed with myself, im gonna try it for slurry and caking soon

[Edited on 18-3-2008 by pyrochemix]
YT2095
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alu really isnt all that toxic else we wouldnt have alu pots/pans or foil or trays etc...
the link with Althzeimers is incidental, Causation and Correlation are NOT the same thing.

and Good luck getting Alu nitrate to "Dry", IIRC its very hygroscopic and a complete PITA to dry

\"In a world full of wonders mankind has managed to invent boredom\" - Death
Twinkies don\'t have a shelf life. They have a half-life! -Caine (a friend of mine)
lavenatti
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Matchheads contain potassium chlorate (not perchlorates and the phosphorus is on the striker), not a smart thing to mortar and pestle with the other ingredients you've listed. This was probably the most dangerous step of your entire experiment.

A little boric acid dissolved in your water will help prevent the aluminum-nitrate reaction.

The aluminum powder will commonly float up to the surface and look as though it were painted on.

I had read somewhere the aluminum-alzheimers link was due to aluminum contamination in the dies used to study bits of brain tissue.

 Sciencemadness Discussion Board » Fundamentals » Chemistry in General » aluminum- nitrate reaction please help Select A Forum Fundamentals   » Chemistry in General   » Organic Chemistry   » Reagents and Apparatus Acquisition   » Beginnings   » Responsible Practices   » Miscellaneous   » The Wiki Special topics   » Technochemistry   » Energetic Materials   » Biochemistry   » Radiochemistry   » Computational Models and Techniques   » Prepublication Non-chemistry   » Forum Matters   » Legal and Societal Issues