Molecular formula: CaCO3 Calcium content: 40%
It is white fine powder, odorless and tasteless that easy to absorb odor in the air. Almost insoluble in water and ethanol, stable in air. Heavy calcium is divided into 400 mesh, 600 mesh, 800 mesh and 1250 mesh. The fineness of pure light calcium is about 1000 mesh. The mesh number of low aluminum and light calcium is about 1500 mesh.
Calcium tablets, flour, milk powder, biscuits and other powder products.
| Item | Index | Item | Index |
| Content（dry basis）% | 98.0-100.5 | Hydrochloric acid insoluble matter% | ≤0.20 |
| Heating for weight loss% | ≤2.0 | Free base content | Qualified |
| Magnesium and alkali metals% | ≤1.0 | Ba content % | ≤0.030 |
| Lead content% | ≤0.0003 | Arsenic content% | ≤0.0003 |
| Cadmium content% | ≤0.0002 | Mercury content% | ≤0.0001 |
| Fluorine content% | ≤0.005 |
