| Ensayo (4BiNO3(OH) 2*BiO(OH) | ≥ 30.0% |
| Máximo permitido | |
| Insoluble en HNO3 | 0.005% |
| Cloruro (Cl) | 0.005% |
| Sulfato (SO4) | 0.01% |
| Tierras alcalinas, etcétera | 0.2% |
| Amonio (NH3) | 0.003% |
| Arsénico (As) | 0.0005% |
| Cobre (Cu) | 0.005% |
| Hierro (Fe) | 0.003% |
| Plomo (Pb) | 0.01% |
| Plata (Ag) | Pasa prueba |
