Powdered barium carbonate (light)
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China [CN] Powdered barium carbonate (light)Molecular formula: BaCO3Molecular Weight: 197.35Appearance: white amorphous powderPurposes:Mainly used in magnetic materials, electronic ceramics, purify water, paints, pigments, paints, building materials and steel, carburizing, the manufacture of other barium salts and reagents.Factory standard: GB/T1614-1999Specifications:
|
Item |
Special grade |
1st grade |
2nd grade |
|
|
Main content(on BaCO3 basis) |
99.2% |
99% |
98.5% |
min |
|
Moisture |
0.3% |
0.3% |
0.3% |
max |
|
Total sulphur(on SO4 basis) |
0.25% |
0.35% |
0.45% |
max |
|
HCI insoluble matters |
0.15% |
0.25% |
0.50% |
max |
|
Iron (on Fe basis) |
0.004% |
0.004% |
0.008% |
max |
|
Chloride(on CL basis) |
0.01% |
--- |
--- |
max |
|
Particle Size |
|
|
|
|
|
850μm sieve residue |
1% |
1% |
1% |
max |
|
150μm sieve residue |
85% |
85% |
85% |
min |
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