Bismuth sesquioxide AR Grade is an inorganic compound and one of the most important compounds of bismuth. CAS 59-67-6 EC 200-441-0

| Product Name        | Bismuth Oxide               |
| Specification       | Analytical Grade            |
| Batch Number        | 2024040301                  |
| Molecular Formula   | Bi2O3                       |
| Molecular Weight    | 465.96                      |
| Batch Size          | 550kg                       |
| Testing Unit        | Production Department       |
| Sample Category     | Inorganic                   |
| Report Date         | April 5, 2024               |
| Testing Standard    | Q/CDKLHX0129-2016A          |

| Test Item           | Standard Requirement        | Test Result     |
|---------------------|-----------------------------|-----------------|
| Content, %          | ≥99.0                       | 99.7            |
| Appearance          | Yellow heavy powder or monoclinic crystals | Yellow heavy powder |
| Nitric Acid Insoluble, % | ≤0.005                  | 0.002           |
| Loss on Ignition, % | ≤1.0                        | 0.2             |
| Nitrogen Compounds (as N), % | ≤0.003               | ＜0.003          |
| Chloride (Cl), %    | ≤0.005                      | ＜0.005          |
| Sulfate (SO4), %    | ≤0.01                       | ＜0.01           |
| Iron (Fe), %        | ≤0.002                      | ＜0.002          |
| Copper (Cu)         | Pass                        | Pass            |
| Arsenic (As), %     | ≤0.001                      | ＜0.001          |
| Alkali and Alkaline Earth Metals (as sulfate), % | ≤0.05 | 0.008    |

Analysis Conclusion:
Meets the requirements of Q/CDKLHX0129-2016A for Analytical Grade.