| CAS No.: | 513-77-9 |
|---|---|
| Formula: | Baco3 |
| EINECS: | 208-167-3 |
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This white, crystalline powder of barium carbonate is sparingly soluble in water, yielding a weakly alkaline solution upon slight dissolution. It decomposes to release carbon dioxide and form barium salts in the presence of acids, with a melting point of around 1740 °C.
Utilized broadly across the electronics sector for crafting PTC thermal components, chip components, and semiconductor capacitors, barium carbonate also plays a role in the production of optical and cathode-ray tube glass, barium magnetic materials, and capacitors. It aids in steel carburizing and metal surface treatment and is a key ingredient in the manufacturing of barium salts, ceramics, enamels, pigments, coatings, rubber, and welding rods.
Additionally, it serves as a water purifying agent and rodenticide. Given its toxicity, it necessitates cautious storage and use to avert reactions with stomach acid that could precipitate barium poisoning, characterized by gastrointestinal distress and potentially fatal respiratory complications.
| 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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