Research Article
Effect of Steel Fibres and Low Calcium Fly Ash on Mechanical and Elastic Properties of Geopolymer Concrete Composites
Table 2
Chemical composition of sodium hydroxide and sodium silicate.
| | Chemical composition | | Sodium hydroxide | Percentage (%) | Sodium silicate | Percentage (%) |
| | Sodium hydroxide (min. assay) | 97 | Na2O | 16.37 | | Carbonate | 2 | SiO2 | 34.31 | | Chloride | 0.01 | Total solid | 50.68 | | Sulphate | 0.05 | Water content | 49.32 | | Potassium | 0.1 | — | | | Silicate | 0.05 | — | | | Zinc | 0.02 | — | |
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