| CAS No.: | 513-77-9 |
|---|---|
| Formula: | Baco3 |
| EINECS: | 208-167-3 |
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Exhibiting a white crystalline appearance, barium carbonate has a low solubility in water, forming a weakly alkaline solution when it partially dissolves. It decomposes into carbon dioxide and barium salts in the presence of acid, with a melting point around 1740 °C.
It is widely applied in the electronics industry for the creation of PTC thermal components, chip components, and semiconductor capacitors, and is crucial for the production of optical and picture tube glass, barium magnetic materials, and capacitors. Its uses also span steel carburizing, metal surface treatments, and the making of barium salts, ceramics, enamels, pigments, coatings, rubber, and welding rods.
It acts as a water purifier and rodenticide, with the need for careful handling to avoid the formation of toxic barium compounds that can result in poisoning with symptoms of nausea, vomiting, arrhythmia, and respiratory paralysis.
| ITEM(Z) | SPECIFICATION | RESULT |
| Apperance | White | White Powder |
| BaCO3 Content% | >=99.00 | 99.55 |
| Moisture | <=0.30 | 0.040 |
| HCI I nsoluble Matters | <=0.10 | 0.039 |
| S2- | <=0.10 | 0.047 |
| SO42- | <=0.25 | 0.16 |
| Bulk Density | 1.3-1.9 | 1.64 |
| Iron(Fe) | <=0.0020 | 0.00063 |
| Fineness | (μm) | 14.86 |
| ITEM(Q) | SPECIFICATION | RESULT |
| Apperance | White | White Powder |
| BaCO3 Content% | >=99.00 | 99.55 |
| Moisture | <=0.30 | 0.040 |
| HCI I nsoluble Matters | <=0.10 | 0.039 |
| S2- | <=0.10 | 0.047 |
| SO42- | <=0.30 | 0.16 |
| Bulk Density | 1.3-1.9 | 1.64 |
| Iron(Fe) | 0.00063 | |
| 44μm Sieve Residue% | <=1.0 | 0.10 |
| Fineness | (μm) | 14.86 |
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