電子級BaCO3
項目 | 指標 | |
電子級 | 納米級 | |
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 |