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Persona de contacto Grace
Yantai, Shandong
| Item | Index（QB ***3—***9） |
| CaCO3 (dry basis),%                           ≥ | *7.*0 |
| Loss on drying,%                              ≤ | 1.0 |
| Acid-insoluble substances,%                    ≤ | 0.*0 |
| Barium，%                                   ≤ | 0.**0 |
| Arsenic（As），      mg/kg                   ≤ | 3 |
| Heavy Metals（Pb），mg/kg                   ≤ | *0 |
| Cadmium(Cd),        mg/kg                   ≤ | 0.2 |
| Fineness,mesh                             ≥ | **0 |
