Zinc Gluconate
Miasto: 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 crystalline powder | Meets requirements |
Identification A | To pass test | Passes test |
Identification B | To pass test | Passes test |
Assay | 97.0% ~ 102.0% | 99.9% |
Zinc (as dihydrate) | 12.90% ~ 13.56% | 13.29% |
Water | ≤11.60% | 8.7% |
Chloride | ≤0.05% | 0.03% |
Sulfate | ≤0.05% | 0.03% |
pH | 5.5 ~ 7.5 | 6.0 |
Reducing substances | ≤1.0% | 0.2% |
Organic volatile impurities | To pass test | Passes test |
Particle size | 60 mesh | 60 mesh |
Heavy Metals
Analysis Item | Specification | Result |
Arsenic (As) | ≤3 ppm | 0.8 ppm |
Cadmium (Cd) | ≤1 ppm | Conform |
Mercury (Hg) | ≤0.1 ppm | Conform |
Lead (Pb) | ≤3 ppm | 1.2 ppm |
Microbiological Tests
Analysis Item | Specification | Result |
Bile-tolerant gram-negative bacteria | ≤100 cfu/g | <100 cfu/g |
Total aerobic count | ≤1000 cfu/g | 30 cfu/g |
Total molds and yeasts | ≤100 cfu/g | 50 cfu/g |
E. coli | Negative/10g | Absent |
Salmonella | Negative/25g | Absent |
Staphylococcus aureus | Negative/10g | Absent |