Research Article
Influence of Molarity and Chemical Composition on the Development of Compressive Strength in POFA Based Geopolymer Mortar
Table 6
The major chemical components of mortar.
| Chemical components | Mortar designation | M1 | M2 | M3 | M4 | M5 | M6 | M7 | M8 | M9 | M10 | M11 | M12 | M13 | M14 | M15 | M16 | M17 | M18 |
| CaO | 18.68 | 16.42 | 18.5 | 22.65 | 12.09 | 18.32 | 20.39 | 11.91 | 13.99 | 15.23 | 16.06 | 18.14 | 20.21 | 22.28 | 15.88 | 17.95 | 19.85 | 17.77 | SiO2 | 52.01 | 52.97 | 51.43 | 48.34 | 55.48 | 50.84 | 49.3 | 54.89 | 53.35 | 52.42 | 51.8 | 50.26 | 48.71 | 47.17 | 51.22 | 49.67 | 47.54 | 49.09 | Al2O3 | 10.16 | 11.5 | 11.91 | 12.73 | 12.44 | 13.66 | 14.07 | 14.19 | 14.6 | 14.84 | 15.01 | 15.42 | 15.82 | 16.23 | 16.76 | 17.17 | 19.33 | 18.92 | MgO | 3.44 | 3.32 | 3.3 | 3.25 | 3.23 | 3.16 | 3.14 | 3.09 | 3.07 | 3.05 | 3.04 | 3.02 | 3 | 2.97 | 2.9 | 2.88 | 2.72 | 2.74 | Fe2O3 | 2.81 | 2.81 | 2.63 | 2.29 | 2.97 | 2.46 | 2.29 | 2.79 | 2.62 | 2.52 | 2.45 | 2.28 | 2.11 | 1.94 | 2.27 | 2.1 | 1.75 | 1.92 | Na2O | 0.2 | 0.2 | 0.21 | 0.22 | 0.2 | 0.21 | 0.22 | 0.21 | 0.21 | 0.22 | 0.22 | 0.22 | 0.23 | 0.23 | 0.22 | 0.23 | 0.24 | 0.24 | K2O | 4.07 | 4.14 | 3.85 | 3.26 | 4.51 | 3.63 | 3.34 | 4.29 | 4 | 3.83 | 3.71 | 3.42 | 3.12 | 2.83 | 3.49 | 3.2 | 2.69 | 2.98 | SiO2/Al2O3 | 5.12 | 4.61 | 4.32 | 3.8 | 4.46 | 3.72 | 3.5 | 3.87 | 3.65 | 3.53 | 3.45 | 3.26 | 3.08 | 2.91 | 3.06 | 2.89 | 2.46 | 2.59 |
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