Extract potassium nitrate from npk fertilizer

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Extracting potassium nitrate crystals from NPK fertilizer with a composition of 20-20-20 is technically possible, but it is not practical. The fertilizer may not contain potassium nitrate specifically, as it primarily includes nitrogen and potassium in different forms. Purchasing potassium nitrate directly is a simpler and more efficient solution. Additionally, there are regulatory considerations regarding the purchase of certain compounds, which may influence the decision to extract rather than buy.
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Hello i have NPK fertilizer 20-20-20 and i want to extract potassium nitrate crystal from it is that possible and if so how can I do it??
 
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Why? Why not just buy some potassium nitrate? What's the application here?
 
Perhaps the OP intends to add some sulfur and charcoal...
Buying some compounds on a particular list is monitored, remember.
 
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Just because the fertilizer contains N and K doesn't necessarily mean it contains potassium nitrate.

Technically yes, it is doable. Practically it is much easier to buy the potassium nitrate itself.
 
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