CHEMICAL ANALYSIS OF STEVIN ROCK LIMESTONE ROCK OF KHOR KHWAIR QUARRY

SL.NO. CONSTITUENT % WEIGHT OF DRIED MATERIAL
1 Insoluble residue IR 0.15-0.45
2 Silica SiO2 0.2-2.0
3 Aluminium oxide Al2O3 0.1-1.0
4 Iron oxide Fe2O3 0.1-0.3
5 Calcium oxide CaO 52.0-55.0
6 Magnesium oxide MgO 0.4-0.8
7 Sodium oxide Na2O 0.01-0.04
8 Potassium oxide K2O 0.02-0.2
9 Sulphate SO3 0.02-0.08
10 Chloride Cl 0.01-0.02
11 Loss on ignition @900°C - 41.0-44.0
12 Calcium carbonate CaCO3 94.0-98.0
13 Magnesium carbonate MgCO3 0.8-1.6

Note: The values given above is the normal range. However, variations are possible due to the nature of the deposit.