Zinc Citrate Dihydrate (2H2O)
City: LV, Marupe
Please avoid sudden changes in temperature and humidity, as they may affect the condition of derivative ingredients and tablets.
The shelf life begins from the date of manufacture at the factory.
Taking into account logistical and transportation stages, the remaining shelf life of the product is always shorter than the full shelf life.
We ship products to our customers with a remaining shelf life of no less than 70%.
Physical & Chemical Characteristics
Analysis Item | Specification | Result |
Appearance | White odorless crystal or crystalline powder | Coincidence |
Zinc Assay (%) | ≥ 31.0% | 31.88% |
Loss on Drying (%) | ≤ 1.0% | 0.15% |
Chloride (%) | ≤ 0.05% | <0.05% |
Sulfate (%) | ≤ 0.05% | <0.05% |
Iron (mg/kg) | ≤ 100 | <0.100 |
Lead (mg/kg) | ≤ 2 | 0.41 |
Arsenic (mg/kg) | ≤ 1,5 | 0.12 |
Cadmium (mg/kg) | ≤ 0.5 | 0.5 |
Mercury (mg/kg) | ≤ 0.2 | <0.2 |
Copper (mg/kg) | ≤ 50 | <50 |
pH | 6.0–8.0 | 6.81 |
Microbiological Tests
Analysis Item | Specification | Result |
Total Plate Count (CFU/g) | ≤ 1000 | 10 |
Yeasts and Moulds (CFU/g) | ≤ 100 | <10 |
Bile-tolerant Gram negative bacteria (CFU/g) | ≤ 100 | <10 |
Staphylococcus aureus | Not detectable | Not detected |
Escherichia coli | Not detectable | Not detected |
Salmonella | Not detectable | Not detected |
Particle Size Analysis
Mesh Size | Specification | Result |
Through 80 mesh pass rate (%) | ≥ 80 | 99,60 |
Through 60 mesh pass rate (%) | ≥100 | 100 |