
Properties:
White superfine heavy crystallization or white powder. The relative density 4.43. About 1,300 °C decomposition. Soluble in water, but soluble in acidic solution. Toxic. Inhaled harmful
Use:
Used for steel, glass, pigments, enamel, paint, rubber, coating, welding rod, fireworks, electronic industry etc.
Details
Test item | Specification | |
Reagent grade | Pharmaceutical grade | |
Appearance | Conform | Conform |
Assay [BaCO3] /% | 99.0 | 99.0 |
Clarify degrees test | Conform | Conform |
Hydrochloric acid insoluble, /% | 0.01 | 0.05 |
Free alkali (OH) | 0.02 | 0.05 |
Chloride (Cl)/% | 0.002 | 0.01 |
sulfide (S)% | 0.0001 | 0.0005 |
Nitrogen compounds (N) /% | 0.002 | 0.005 |
Calcium and sr /% | 0.15 | 0.5 |
Ferric (Fe) /% | 0.0005 | 0.0015 |
Heavy metal (Pb) /% | 0.0005 | 0.001 |
Sulfuric acid not sediment | 0.05 | 0.2 |
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