Zinc oxide AR Grade is an oxide of zinc, insoluble in water, soluble in acids and strong bases. It is a white solid, so it is also called zinc white. CAS 1314-13-2 EC 215-222-5

| Product Name   | Zinc Oxide                            |
| Specification  | Analytical Grade                      |
| Batch Number   | 2023040601                            |
| Molecular Formula | ZnO                               |
| Molecular Weight | 81.41                               |
| Batch Quantity | 1975kg                                |
| Inspection Unit | Production Department               |
| Sample Category | Inorganic                            |
| Report Date    | 2023.04.08                           |
| Inspection Standard | HG/T 2890-2011                   |
| Test Item      | Standard Requirement                  | Actual Result         |
| Appearance     | White or light yellow crystalline powder | White crystalline powder |
| Content,%      | ≥99.0                                 | 99.6                   |
| Free Alkali    | Complies                              | Complies               |
| Insoluble in Dilute Sulfuric Acid,% | ≤0.01        | 0.006                  |
| Clarity Test   | ≤3                                    | ＜3                    |
| Chloride (Cl),% | ≤0.001                               | ＜0.001                |
| Sulfate (as SO4),% | ≤0.01                             | ＜0.01                 |
| Nitrate (NO3),% | ≤0.003                               | ＜0.003                |
| Arsenic (As),% | ≤0.00005                              | ＜0.00005              |
| Manganese (Mn),% | ≤0.0005                             | 0.00008                |
| Iron (Fe),%    | ≤0.0005                               | 0.00004                |
| Lead (Pb),%    | ≤0.005                                | 0.001                  |
| Sodium (Na),%  | ≤0.05                                 | 0.0002                 |
| Magnesium (Mg),% | ≤0.005                             | 0.000002               |
| Potassium (K),% | ≤0.01                                | 0.000008               |
| Calcium (Ca),% | ≤0.005                                | 0.0002                 |
| Potassium Permanganate Reducing Substance (as O),% | ≤0.002 | ＜0.002        |
| Analysis Conclusion | Meets requirements of HG/T 2890-2011 Analytical Grade. |