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How to make potassium nitrate (aka. kno3 / saltpeter) from fertilizer ???? Answered

Hello i would like to hear if anyone knows how to extract kno3 from fertilizer?
i got a fertilizer with 28% kno3
but i dont know exactly how to get the
kno3 out of it :)

Discussions

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nurdee1

6 years ago

I am not sure how to isolate KNO3 from fertilizer. But you can get KNO3 from Specracide Stump Remover. You can buy this from Walmart or From Lowes and it is 98% KNO3. This is great stuff but I am not sure how much longer you are going to be able to buy this stuff so easily because of naughty people running around blowing things up

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JamesRPatrick

6 years ago

I don't think you're qualified to be working with these chemicals.

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rickharris

6 years ago

Although in general against advice to unknown people about chemicals that explode look >>>>>>>>>>

If you can't do an efficient search i am not that sure you should be messing with these things.

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iceng

6 years ago

I wonder how saltpeter works the non-explode way.

A

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Prfesser

6 years ago

Just wondering: how do you know that the fertilizer is 28% KNO3? Most fertilizers merely give the NPK values, which are percentages, but not of a specific substance.

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lemonie

6 years ago

Well, what is the other 72% then?

L

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Kiteman

6 years ago

You need to find out about recrystallisation.