Table 2 Chemical composition of starting materials. (Mass, %).
From: Preparation and characterization of self-cured geopolymer binder using metakaolin precursor
Oxide content (%) | SiO2 | Al2O3 | Fe2O3 | CaO | MgO | SO3 | K2O | Na2O | TiO2 | MnO | P2O5 | Cl- | L.O.I | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Kaolin | 56.38 | 27. 61 | 1.32 | 0.18 | 0.06 | 0.06 | 0.04 | 0.08 | 3.73 | - | 0.13 | 0.05 | 10.17 | 99.76 |
MK (fired kaolin at 850 degree for 2 h) | 57.50 | 35.10 | 1.59 | 0.64 | 0.17 | 0.25 | 0.15 | 0.12 | 2.85 | 0.00 | 0.13 | 0.06 | 1.14 | 99.70 |
CEM I | 20.01 | 5.26 | 3.32 | 62.59 | 1.64 | 2.79 | 0.20 | 0.46 | 0.43 | 0.08 | 0.13 | 0.10 | 2.96 | 99.98 |
