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Differences in bulk densities and grain sizes depending on the method of mixture preparation. Reprinted with the permission of Springer Nature from [39].
| Sample | Mixing Method | Bulk Density (g/cm3) | Grain Size (μm) |
|---|---|---|---|
| AN/KCl | In solution | 0.68 | 420–841 |
| AN/KCl | Mechanically | 0.76 | 250–420 |
| AN/NH4H2PO4 | In solution | 0.55 | 177–250 |
| AN/NH4H2PO4 | Mechanically | 0.70 | 149–177 |
