Saltpeter is usually potassium nitrate (but can refer to sodium nitrate).
Either salt works fine for gunpowder.
Stump removers can be 99% potassium nitrate. See:
http://72.14.209.104/search?q=cache:S5NGzqX1A2gJ:www.southernag.com/PDF%2520Files/Ms1216.PDF+potassium+nitrate+stump&hl=en&ct=clnk&cd=15&gl=us
So look for stump remover that is 99% KNO3.
If you go into a lawn and garden store asking for saltpeter, they will probably figure out what you have in mind.
In olden days, saltpeter was made from manure that took about a year. So I wouldn't recommend this method, although the materials are VERY common.
2007-04-23 12:16:48
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answer #1
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answered by Anonymous
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I'm not about to tell you the whole thing. I don't want any more kids killed, but part of it is nitrogen fertilizer.
If you are that determined, look it up on the net, it's not that hard to find.
Saltpeter is the old name for potassium nitrate.
It's also the exact opposite of Viagra, and was used as a food additive in the jails to shrivel up the male organs, hence the name.
2007-04-23 12:06:35
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answer #2
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answered by Paul 3
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It is also the stuff, or close to it, that was used to bomb the federal building in Oklahoma.
quote: "Historically, nitre-beds were prepared by mixing manure with either mortar or wood ashes, common earth and organic materials such as straw to give porosity to a compost pile typically 1.5 metres high by 2 metres wide by 5 metres long. The heap was usually under a cover from the rain, kept moist with urine, turned often to accelerate the decomposition and leached with water after approximately one year. The liquid containing various nitrates was then converted with wood ashes to potassium nitrates, crystallised and refined for use in gunpowder. In more rural times, urine was collected and used in the manufacture of gunpowder. Stale urine was filtered through a barrel full of straw and allowed to continue to sour for a year or more. After this period of time, water was used to wash the resulting chemical salts from the straw. This slurry was filtered through wood ashes and allowed to dry in the sun. Saltpeter crystals were then collected and added to brimstone and charcoal to create black powder. Today, most potassium nitrate comes from the vast deposits of sodium nitrate (NaNO3, nitratine) in the Chilean deserts. The sodium nitrate is purified and then reacted in solution with potassium chloride (KCl, sylvite), from which the less-soluble potassium nitrate is precipitated out."
http://en.wikipedia.org/wiki/Salt_peter
2007-04-23 12:05:55
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answer #3
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answered by bravozulu 7
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Errrr its Salt Peter.
And it is not easy to make in a home lab, or to buy over the counter. It is a commonly available industrial chemical. However since it is the oxidizer in black powder, there are some people that want to curtail access to it.
2007-04-23 12:07:32
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answer #4
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answered by James H 5
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You must get a supply of sodium nitrate, which is Chilean saltpetre. You must recrystallize water solutions of that with potassium chloride. You will endup with potassium nitrate.
2007-04-23 12:16:18
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answer #5
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answered by steve_geo1 7
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