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Chemical and mineralogical compositions of CSA cements.
| XRF | QXRD | ||||
|---|---|---|---|---|---|
| Oxide | CSA1 (wt.%) | CSA2 (wt.%) | Phases | CSA1 (wt.%) | CSA2 (wt.%) |
| CaO | 41.3 | 41.3 | C4A3 (ortho) | 40.0 | 51.0 |
| Al2O3 | 28.1 | 34.5 | C4A3 (cubic) | 13.6 | 13.4 |
| SiO2 | 5.6 | 6.96 | β-C2S | 9.7 | 15.0 |
| SO3 | 18.0 | 9.46 | C | 23.8 | 3.2 |
| Fe2O3 | 1.6 | 2.0 | C2AS | 1.6 | 4.0 |
| TiO2 | 1.2 | 1.4 | C12A7 | 1.7 | 2.1 |
| MgO | 1.1 | 1.4 | C4AF | 0.9 | 1.0 |
| Br | 1.4 | 1.4 | CT | 1.1 | 1.4 |
| K2O | 0.2 | 0.2 | M | 0.6 | 0.7 |
| SrO | 0.1 | 0.1 | C3FT | 6.8 | 8.1 |
| ZrO2 | 0.1 | 0.1 | - | ||
| LOI † | 1.2 | 1.0 | |||
† Loss on ignition.
