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By certification 
Molecular Formula: C12H22O14Zn
Molecular Weight: 455.67
Packaging: 25kg/Drum or Bag
Characters: White or almost white crystalline powder or granules, Odorless, tasteless and soluble in water, very slightly soluble in ethanol.
| Zinc Gluconate | USP31Ed |
| Assay | 97.0-102.0% |
| Chloride | ≤0.05% |
| Sulfate | ≤0.05% |
| Water | ≤11.6% |
| Reducing substances | ≤1.0% |
| Cd | ≤5ppm |
| Pb | ≤0.001% |
| As | ≤3ppm |
| PH | 5.5-7.5 |
