Barium carbonate
- Số CAS
- 513-77-9
- Khối lượng phân tử
- 197.34
- Công thức phân tử / ký hiệu hóa học
- BaCO3
Mô tả
Apearances: White powder. Toxic. Was dissolved in dilute hydrochloric acid, dilute nitric acid, acetic acid, ammonium chloride solution, and an ammonium sulfate solution, slightly soluble in water containing carbon dioxide, and water insoluble. Decomposition of barium oxide and carbon dioxide at about 1300 ℃.
ỨNG DỤNG
Analysis of iron, calcium, magnesium, manganese, and zinc. Verification and determination of halogens in organic compounds. The separation of aluminum. Catalyst. Optical glass. Of oil bleaching chemical operations neutralizer.
Keywords:Surface treatment chemicals;Environmental protection paint
Phiếu kiểm nghiệm
|
|
High-class product |
First grade |
Qualified products |
|
|
BaCO3≥ |
99.2 |
99.0 |
98.5 |
|
|
Moisture≤ |
0.30 |
0.30 |
0.30 |
|
|
Hydrochloric acid does not dissolve Residue on ignition ≤ |
0.15 |
0.25 |
0.50 |
|
|
Total sulfur (SO4) content ≤ |
0.25 |
0.35 |
0.45 |
|
|
Chloride (cl) content ≤ |
0.01 |
/ |
/ |
|
|
Fe ≤ |
0.004 |
0.004 |
0.008 |
|
|
Degree of fineness |
Powdered 125um test sieve residue% ≤ |
0.20 |
0.30 |
0.50 |
|
Powdered 850um test sieve residue% ≤ |
1 |
1 |
1 |
|
|
Powdered 150um test sieve residue% ≤ |
85 |
85 |
85 |
|
|
Note: Ceramic capacitors with powdered 45um the test sieve residue ≤ 1%; Hydrochloric acid insoluble matter the burning slag content indicators parameters for wet granulation product supply and demand sides agreed |
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