Rock phosphate High quality Reasonable price available now Min. Order: 500 MT Attached please find the COA Rock Phosphate Code : EX4 Chemical Analysis : 1. Bone Phosphate Lime BpL 64-66 Percent 2. Calcium Oxide CaO 48-50 Percent 3. Iron Oxide Fe2O3 0.10-0.20 Percent 4. Aluminum Oxide A12O3 0.10-0.15 Percent 5. Magnesium Oxide MgO 0.50-0.80 Percent 6. Silicon Dioxide SiO2 7.5-9 Percent 7. Fluorine F 2-4 Percent 8. Chlorine CI 800-1200 Percent 9. Carbon Oxide CO2 7-9 Percent 10. Losses of ignition L.O.I 7-8 Percent 11. Humidity H2O 5-7 Percent Minor Ingredients: Cu 10-15 p.p.m Zn 140-200 p.p.m Cd 6-10 p.p.m Hg <0.1 p.p.m As <2 p.p.m V 70-150 p.p.m Pb <2 p.p.m Ni 10-15 p.p.m U 40-70 p.p.m Bi 0.01-0.05 p.p.m P2O5 Solubility in Citric Acid 2 35-40 Percent P2O5 Solubility in Formic Acid 2 55-65 Percent Typical Screen Analysis: ASTM Mesh No. Micron Percent +18 +1000 µ 4-6 +35 +500 µ 5-10 +230 +40 µ 70-80 -230 -40 µ 5-7 Remark: Each degree of P2O5= 2.185 degree of BPL
