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| Application: | Agriculture / Industrial | Classification: | Nitrate |
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| Purity: | 99.9% TC | Other Names: | KNO3 |
| CAS No.: | 7757-79-1 | State: | Powder |
| High Light: | potassium nitrate chemical,potassium nitrate water soluble fertilizer |
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High Effective Nitrate of Potash / High purity potassium Nitrate / KNO3
Potassium nitrate is a water-soluble NK fertilizer containing 13.7% nitrate nitrogen and 46% potassium oxide (38.4%). Potassium nitrate (KNO3) is a soluble source of two major essential plant nutrients. It’s commonly used as a fertilizer for high-value crops that benefit from nitrate (NO3-) nutrition and a source of potassium (K+) free of chloride (Cl-).
Production
Manufacturers typically make potassium nitrate fertilizer (sometimes referred to as nitrate of potash or NOP by reacting potassium chloride (KCl) with a nitrate source. Depending on the objectives and available resources, the nitrate may come from sodium nitrate, nitric acid or ammonium nitrate. The resulting KNO3 is identical regardless of the manufacturing process. Potassium nitrate is commonly sold as a water-soluble, crystalline material primarily intended for dissolving and applying with water or in a prilled form for soil application. Traditionally, this compound is known as saltpeter.
| Item | Grade | |
| High Class | First Grade | |
| Total nutrient(N+K2O)content, % ≥ | 60 | 58 |
| Total nitrogen(N),%≥ | 13.5 | 13.5 |
| Potassium oxide(K2O),%≥ | 46.5 | 44.5 |
| Chloride(CL),%≥ | 0.2 | 1.2 |
| Water content,%≥ | 0.2 | 0.5 |
| Water insoluble,%≥ | 0.01 | 0.03 |
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