Table 2 Composition of phosphate rock in Egypt
From: Importance of phosphate pock application for sustaining agricultural production in Egypt
Oxide (%) | El Sebaiya PR | Safaga PR | Abu Tartur PR |
|---|---|---|---|
P2O5 | 24.9 | 19.4 | 27.3 |
CaO | 43.5 | 43.9 | 40.2 |
Fe2O3 | 2.27 | 1.2 | 2.93 |
SiO2 | 12.2 | 3.71 | 6.13 |
Al2O3 | 1.83 | 2.21 | 1.7 |
Na2O | 1.62 | 1.73 | 0.72 |
K2O | 0.12 | 0.16 | 0.13 |
MgO | 1.52 | 5.3 | 1.26 |
Cl− | 0.55 | 0.45 | 0.17 |
CO2− | 8.66 | 17 | 7.25 |
SO3− | 3.73 | 1.35 | 8.75 |
F− | 1.16 | 1.21 | 3.0 |