Rock Sulphate _ Suppliers Spec. COMPONENT TYPICAL RANGE Phosphate (P2O5) % 30.5 29.5 min Aluminium Oxide (Al2O3) % 0.7 0.85 max Calcium Oxide (CaO) % 43 45 max Magnesium Oxide (MgO) % 0.4 0.55 max Silica (Total) (SiO2) % 11 13 max Iron Oxide (Fe2O3) % 1.3 1.5 max Cadmium (Cd) ppm 3 5 max Moisture % 2.5 3 max Carbonate as CO3 % 4.5 6 max
En590 10ppm; jet a1 fuel rock phosphate.