Table 2 Chemical analysis of raw materials
From: A study of the chemical effect of marble and granite slurry on green mortar compressive strength
Main constituents (wt.%) | Marble waste | Granite waste | OPC |
|---|---|---|---|
SiO2 | 2.32 | 67.85 | 20.55 |
TiO2 | 0.03 | 0.44 | – |
Al2O3 | 0.44 | 15.68 | 4.01 |
Fe2O3tot. | 0.20 | 3.13 | 3.27 |
MnO | – | 0.07 | – |
MgO | 0.48 | 0.63 | 1.75 |
CaO | 53.75 | 1.43 | 62.67 |
Na2O | 0.09 | 4.51 | 0.44 |
K2O | 0.03 | 4.82 | 0.24 |
P2O5 | 0.09 | 0.11 | – |
SO3 | 0.26 | 0.09 | 3.15 |
Cl | 0.04 | 0.05 | 0.02 |
BaO | – | 0.171 | – |
ZrO2 | – | 0.149 | – |
Minor other oxides | 0.053 | 0.14 | – |
L.O.I | 42.21 | 0.73 | 3.84 |
Total | 99.993 | 100 | 99.94 |