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Does any one know how to make Potassium nitrate (saltpeter}? Answered

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Potassium nitrate + diesel fuel = big boom.

ohi osama

Kewl... I wanna find out how to make that stuff cause I have about 1.5 kiloz of potassium nitrate and diesel laying around :D However, I am here writing today cause I dont wanna blow myself up and I'm trying to find out the mixing ratio as well as the riscs Got any answers?

The best way to get some saltpeter is to buy it, but if you cant buy it, than:

2HNO3 + K2CO3 = 2KNO3 + H2O + CO2
HNO3 + KOH = KNO3 + H2O

Or if you don't have nitric acid, than you can make it from other nitrates.
2XNO3 + K2CO3 = 2KNO3 + XCO3
You can get 95% pure KNO3 with recrystallization.

Or you can make som KNO3 from urine, it is written on wikipedia. It takes long time and it is disguisting.

It's a restricted chemical in many places in the world. Primarily for the same reason you're asking about it.

go to your local wal mart or what ever to the garderning sectiona and buy the stumop remover it is salt peter check the ingredients to get the best one tho

Yes, it involves horse-manure, urine and potash. Prefer to buy it instead? L

Dang... And I had all those bishops, too...

You're better off just buying it, for reasons better explained by lemonie. You can buy it at drugstores, but you'll probably have to ask for it because it's not something that sells a lot.