barium carbonate
- Số CAS
- 513-77-9
- Khối lượng phân tử
- Công thức phân tử / ký hiệu hóa học
- BaCO3
Mô tả
White powder. Toxic. Soluble in dilute hydrochloric acid and dilute nitric acid, acetic acid, ammonium chloride solution and ammonium sulfate solution, slightly soluble in water containing carbon dioxide, insoluble in water
ỨNG DỤNG
Used for steel, glass, paint, enamel, paint, rubber, paint, electrode, fireworks, electronics industry, and manufacturing barium salt
Phiếu kiểm nghiệm
Inspection test report against
|
the name or description of a commodity |
barium carbonate |
CAS：513-77-9 |
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character |
white powder |
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Test items |
estimated value |
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analytically pure |
chemically pure |
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BaCO3 |
≥99.0% |
≥99.0% |
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S |
≤0.0001% |
≤0.0005% |
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N |
≤0.002% |
≤0.005% |
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Calcium and strontium (in sulfate meter) |
≤0.15% |
≤0.5% |
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Fe |
≤0.0005% |
≤0.0015% |
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Heavy metal (Pb meter) |
≤0.0005% |
≤0.001% |
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Sulfuric acid not sediment |
≤0.05% |
≤0.2% |
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HCl insoluble |
≤0.01% |
≤0.05% |
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Free base (OH meter) |
≤0.02% |
≤0.05% |
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Cl |
≤0.002% |
≤0.01% |
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ACS |
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BaCO3 |
≥99.0-101.0% |
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Ca |
≤0.05% |
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K |
≤0.005% |
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Na |
≤0.02% |
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Sr |
≤0.7% |
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Heavy metal (Pb meter) |
≤0.001% |
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Fe |
≤0.002% |
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Dilute hydrochloric acid insolubles |
≤0.015% |
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Cl |
≤0.002% |
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free alkali |
≤0.002meq/g |
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Oxide (NO3 - meter) |
≤0.005% |
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S |
≤0.001% |
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items |
High purity level |
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BaCO3 |
≥99.8% |
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Sr |
≤0.001% |
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Cl |
≤0.005% |
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Fe |
≤0.001% |
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H2O |
≤0.1% |
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D50 |
0.5-1.5μm |
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K |
≤0.001% |
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Na |
≤0.001% |
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Mg |
≤0.001% |
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Ca |
≤0.005% |
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