Tipton Sole Agent for silica sand in Saudi Arabia Silica sand is purified both mechanically and chemically after extraction. Unwanted mineral components are removed by flotation and spiral and magnetic treatments. Caustic soda and acids remove insoluble components. Hydro-classification ensures constant particle size distribution. Parameter chemical item standard value Silicone dioxide sio2% gravimetric 99. 79 Iron trioxide fe2o3% cholorimetric 0. 058 Aluminium trioxide al2o3% gravimetric 0. 015 Calcium oxide cao% permanganometric 0. 053 Magnesium oxide mgo% gravimetric 0. 04 Sodium oxide na2o% gravimetric 0. 01 Potassium oxide k2o% gravimetric 0. 14 Loss on ignition LOI% gravimetric 0. 03 Size of sand: 2~500 mesh
