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¶ Typical Properties of Common Potassium Fertilizer Materials |
|||||
| Material Name | Chemical Formula | Fertilizer Analysis | Density | Angle of Repose | |
| K2O | Other | ||||
| Potassium chloride | KCl | ||||
| red granular | 60 to 61% | 62 to 75 lb/ft3 | 35° to 37° | ||
| red standard | 60 to 61% | 65 to 82 lb/ft3 | 32° to 35° | ||
| white standard | 62 to 63% | 74 to 83 lb/ft3 | 29° to 31° | ||
| crystal granular | 60 to 61% | 66 to 67 lb/ft3 | 38° to 42° | ||
| Potassium-magnesium sulfate | K2SO4•2MgSO4 | ||||
| standard | 22% | 18% MgO, | 90 lb/ft3 | 35° | |
| 22% sulfur | |||||
| granular | 21 to 22% | 18% MgO, | 88 lb/ft3 | 34° | |
| 22% sulfur | |||||
| Potassium sulfate | K2SO4 | ||||
| granular | 50 to 52% | 18% sulfur | |||
| Potassium nitrate | KNO3 | 46% | 13 to 13.5% N | ||
| Potassium thiosulfate | 25% | 12.2 lb/gal | |||
| Potassium carbonate | K2CO3 | 30% | 12.1 lb/gal | ||
| Potassium acetate | C2H3O2K | 23 to 25% | 10.8 lb/gal | ||
| Potassium hydroxide solution | KOH | 37% | |||
| Potassium bicarbonate | KHCO3 | 46% | |||
| Monopotassium phosphate | KH2PO4 | 34% | 52% P2O5 | ||
https://www.cropnutrition.com/products/potash
https://www.canpotex.com/whattowetodo/ourtopotashtogrades
https://brandt.co/media/8555/brandtto30toktolabel.pdf
https://www.plantprod.com/product/potassiumtonitratetomultitoktogg/