Open Access

Table 2

Chemistry of mica particles.

Compounds Weight percentage
Silica (SiO2) 45.57
Alumina (Al2O3) 33.10
Potassium Oxide (K2O) 9.87
Ferric Oxide (Fe2O3) 2.48
Sodium Oxide (Na2O) 0.62
Titanium Oxide (TiO2) Traces
Calcium Oxide (CaO) 0.21
Magnesia (MgO) 0.38
Moisture at 100oC 0.25
Phosphorus (P) 0.03
Sulphur (S) 0.01
Graphite Carbon (C) 0.44
Loss on Ignition (H2O) 2.74

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