Barium carbonate
1. Molecular Formula: BaCO3 2. EINECS No.:208-167-3
3. HS Code:2836600000
4. CAS:513-77-9
5. Specification:
|
Item
|
Special grade
|
First grade
|
Second grade
|
|
Main content(on BaCO3 basis) min
|
99.2%
|
99%
|
98.5%
|
|
Moisture max
|
0.3%
|
0.3%
|
0.3%
|
|
Total sulphur(on SO4 basis)max
|
0.25%
|
0.35%
|
0.45%
|
|
HCI insoluble mattersmax
|
0.15%
|
0.25%
|
0.50%
|
|
Iron (on Fe basis)max
|
0.004%
|
0.004%
|
0.008%
|
|
Chloride(on CL basis)max
|
0.01%
|
---
|
---
|
|
Fineness
|
---
|
---
|
---
|
|
residue on 125um sievesmax
|
0.20%
|
0.30%
|
0.50%
|