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Specification:
(1)Barium carbonate powder
Item\Index\Grade | Top grade |
BaCO3 %≥ | 99.2 |
Moisture %≤ | 0.30 |
Ignition residue of Hcl insolubles %≤ | 0.15 |
Total sulphur %≤ | 0.25 |
Fe %≤ | 0.004 |
Fineness:floury 125μm residue on test sieve %≤ | 0.20 |
(2)Barium carbonate particles
Item\Index\Grade | Top grade |
Fineness:floury 850μm residue on test sieve %≤ | 1 |
Fineness:floury 150μm residue on test sieve %≥ | 75 |
(3)High purity
| Item | content% |
| BaCO3 | 99.75% |
| Fe2O3 | 0.002% |
| Na2O | 0.010% |
| Cl- | 0.03% |
| LOD | 0.10% |
| SrCO3 | 0.10% |
| CaCO3 | 0.03% |
| MgCO3 | 0.005% |
| LOI | 0.30% |
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Barium carbonate(Powder and Granular) 99.2%