 
								
| No. | Item | Standard Specification | ||||
| 1 | Bi2O3 ≥ | 99.9% | 99.99% | 99.999% | 99.9999% | |
| PCT | PPM | PPM | PPM | |||
| 2 | Impurity Max each | Pb | 0.002 | 10 | 0.5 | 0.06 | 
| Cu | 0.002 | 10 | 1 | 0.06 | ||
| K | 0.001 | - | - | - | ||
| Mg | 0.004 | 5 | 0.5 | 0.06 | ||
| Na | 0.006 | - | - | 0.04 | ||
| Ca | 0.005 | 5 | 1 | 0.05 | ||
| Fe | 0.005 | 10 | 0.5 | 0.1 | ||
| Mn | - | 5 | 0.5 | 0.03 | ||
| Al | - | - | - | 0.03 | ||
| Ni | - | 5 | 0.5 | 0.1 | ||
| Co | - | 5 | 0.5 | - | ||
| Ag | - | - | 1 | 0.01 | ||
| Cr | - | - | 0.5 | 0.05 | ||
| Cd/Zn/Sb | - | 5 | - | - | ||
| 3 | Size | 2-4.5μm | -100mesh | -100mesh | -100mesh | |
| 4 | Packing | 25kgs in plastic bag | 1kg in polyethylene bottle | |||
| No. | Item | Standard Specification | ||||
| 1 | Bi2O3 ≥ | 99.9% | 99.99% | 99.999% | 99.9999% | |
| PCT Max | PPM Max | PPM Max | PPM Max | |||
| 2 | Impurity | Pb | 0.002 | 10 | 0.5 | 0.06 | 
| Cu | 0.002 | 10 | 1 | 0.06 | ||
| K | 0.001 | - | - | - | ||
| Mg | 0.004 | 5 | 0.5 | 0.06 | ||
| Na | 0.006 | - | - | 0.04 | ||
| Ca | 0.005 | 5 | 1 | 0.05 | ||
| Fe | 0.005 | 10 | 0.5 | 0.1 | ||
| Mn | - | 5 | 0.5 | 0.03 | ||
| Al | - | - | - | 0.03 | ||
| Ni | - | 5 | 0.5 | 0.1 | ||
| Co | - | 5 | 0.5 | - | ||
| Ag | - | - | 1 | 0.01 | ||
| Cr | - | - | 0.5 | 0.05 | ||
| Cd/Zn/Sb | - | 5 | - | - | ||
| 3 | Size | 2-4.5μm | -100mesh | -100mesh | -100mesh | |
| 4 | Packing | 25kgs in sealed plastic bag | 1kg in polyethylene bottle | |||