Table 3:
Chemical analysis of metakaolin*.
Oxide
Content, Percent %
SiO
2
54.2
Al
2
O
3
39.00
Fe
2
O
3
0.92
CaO
1.37
MgO
0.15
SO
3
0.45
Na
2
O
0.22
K
2
O
0.27
L.O.I
0.71
TIO
2
0.8
Σ= 98.09
*Chemical tests were conducted by Iraq Geological Survey, Central Laboratories Department.