Specifications:
Index | Index | ||||||
Industrial Grade | Food Grade | ||||||
85% | 75% | ||||||
Top Grade | First Grade | Qualified Grade | Top Grade | First Grade | Qualified Grade | ||
Color ≤ | 20 | 30 | 40 | 20 | 30 | 40 | 20 |
H3PO4 % ≥ | 85.0 | 85.0 | 85.0 | 75.0 | 75.0 | 75.0 | 75.0~86.0% |
Chloride (as Cl-)% ≤ | 0.0005 | 0.0005 | 0.001 | 0.0005 | 0.0005 | 0.001 | |
Sulphate( SO4-) % ≤ | 0.003 | 0.005 | 0.01 | 0.003 | 0.005 | 0.01 | |
IronFe % ≤ | 0.002 | 0.002 | 0.005 | 0.002 | 0.002 | 0.005 | |
Arsenicas As % ≤ | 0.0001 | 0.005 | 0.01 | 0.0001 | 0.005 | 0.01 | 0.00005 |
Heavy metalsas Pb% ≤ | 0.001 | 0.001 | 0.05 | 0.001 | 0.001 | 0.05 | 0.0005 |
Fluorideas F % ≤ | 0.0010 | ||||||
Oxidableas H3PO3 % ≤ | 0.012 | ||||||