Table 3: Chemical analysis of metakaolin*
| Content, Percent % |
Oxide |
| 54.2 |
SiO2
|
| 39.00 |
Al2O3
|
| 0.92 |
Fe2O3
|
| 1.37 |
CaO |
| 0.15 |
MgO |
| 0.45 |
SO3
|
| 0.22 |
Na2O |
| 0.27 |
K2O |
| 0.71 |
L.O.I |
| 0.8 |
TIO2
|
*Chemical tests were conducted by Iraq geological survey, central laboratories department.