Extract potassium nitrate from npk fertilizer

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Discussion Overview

The discussion revolves around the feasibility of extracting potassium nitrate from NPK fertilizer (20-20-20). Participants explore the practicality of this extraction process and the motivations behind it, considering both theoretical and practical aspects.

Discussion Character

  • Exploratory, Technical explanation, Debate/contested

Main Points Raised

  • One participant inquires about the possibility of extracting potassium nitrate crystals from NPK fertilizer and seeks methods for doing so.
  • Another participant questions the necessity of the extraction, suggesting that purchasing potassium nitrate directly might be more straightforward.
  • A different viewpoint suggests that the original poster (OP) might have specific applications in mind, potentially involving other materials like sulfur and charcoal.
  • It is noted that while the fertilizer contains nitrogen and potassium, it does not necessarily contain potassium nitrate, and extracting it is technically possible but may be impractical compared to buying it directly.

Areas of Agreement / Disagreement

Participants express differing views on the practicality and necessity of extracting potassium nitrate from the fertilizer, indicating that multiple competing perspectives remain without a clear consensus.

Contextual Notes

There are unresolved assumptions regarding the composition of the NPK fertilizer and the specific goals of the OP, which may influence the discussion.

vegapunk
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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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