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電子級BaCO3
| 項目 | 指標 | |
| 電子級 | ナノ級 | |
| BaCO3(wt%) | ≥99.9 | ≥99.9 |
| Fe (wt%) | ≤0.003 | ≤0.003 |
| Ca (wt%) | ≤0.005 | ≤0.005 |
| Na (wt%) | ≤0.001 | ≤0.001 |
| Mg (wt%) | ≤0.001 | ≤0.001 |
| Sr (wt%) | ≤0.005 | ≤0.005 |
| Cl (wt%) | ≤0.035 | ≤0.002 |
| H2O (105℃/30min) | ≤0.3 | ≤0.3 |
| LOSS (700℃/60min) | ≤0.5 | ≤0.5 |
| D50 (μm) | ≈0.4 | ≤0.2 |
| BET(㎡/g) | 5.0 — 7.0 | ≥10 |