Food Grade Calcium Citrate
Molecular formula:Ca3(C6H5O7)2.4H2O
Molecular Weight:570.5
Quality standards:
| Name of index |
GB17203-1998 |
FCC-V |
USP 32 |
E 333 (iii) |
| Appearance |
White Crystalline Powder |
White Powder |
White Crystalline Powder |
Fine white powder |
| Content , % |
98.0-100.5 |
97.5-100.5 |
97.5-100.5 |
≥97.5(on the anhydrous basis) |
| Test for calcium |
- |
- |
- |
Passes test |
| Test for citrate |
- |
- |
- |
Passes test |
| Oxalates(as oxalic acid, after drying) ,≤mg/kg |
- |
- |
- |
100 |
| As ,≤% |
0.0003 |
- |
0.0003 |
0.0001 |
| Fluoride,≤% |
0.003 |
0.003 |
0.003 |
0.003 |
| Acid-insoluble substance,≤ % |
0.2 |
0.2 |
0.2 |
- |
| Pb, ≤% |
- |
0.0002 |
0.001 |
0.0001 |
| Mercury,≤% |
- |
- |
- |
0.0001 |
| Aluminium,≤mg/kg |
- |
- |
- |
200 |
| Heavy metals (as Pb) ≤ % |
0.002 |
- |
0.002 |
- |
| Loss on drying % |
10.0-13.3 |
10.0-14.0 |
10.0-13.3 |
≤14.0 (180 °C, 4 hours) |
| Clear grade |
Accord with the test |
- |
- |
- |
| Carbonates |
- |
- |
- |
Passes test |