| Item | Metrical Unit | Standard | Actual Results | |
| (1) Purity(BaCO3 ): ≥ | % | 99.2% | 99.56 | |
| (2) Moisture ≤ | % | 0.30 | 0.064 | |
| (3) Ignition residue of Hcl insolubles | ≤ | % | 0.15 | 0.015 |
| (4) Total sulfur (SO4) ≤ | % | 0.25 | 0.166 | |
| (5) Ferrum ≤ | % | 0.001 | 0.0003 | |
| (6) Chlorides(CL) ≤ | % | 0.01 | 0.005 | |
| (7) D50 | um | 1.50 | ||
| (8) Average particle size | um | 2.14 | ||
| (9) Tap Density | g/cm3 | 1.02 | ||
| (10) Residue on 325 mesh sieve ≤ | % | 0.20 | 0.036 | |
Surface Coatings
Barium Carbonate
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