Research Article
Analysis of Chemical Composition of Portland Cement in Ghana: A Key to Understand the Behavior of Cement
Table 1
Summary of chemical data for a selection of Portland cement.
| Component | Minimum | Average | Maximum |
| SiO2 | 18.40 | 21.02 | 24.50 | Fe2O3 | 0.16 | 2.85 | 5.78 | Al2O3 | 3.10 | 5.04 | 7.56 | CaO | 58.10 | 64.18 | 68.00 | MgO | 0.02 | 1.67 | 7.10 | SO3 | 0.00 | 2.58 | 5.35 | Na2O | 0.00 | 0.24 | 0.78 | K2O | 0.04 | 0.70 | 1.66 | Equivalent alkalis | 0.03 | 0.68 | 1.24 | Free lime | 0.03 | 1.24 | 3.68 |
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