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Molecular formula: Co(OH)2
Molecular weight: 92.94
CAS NO.: 21041-93-0
Property:
As a kind of odorless and light pink powder, it is insoluble in water and ethanol but soluble in acid soluble in acid and ammonium salt solution. Its comparative gravity is 3.597g/cm3 and its melting point is (1100-1200) ℃. As for storage, we need to put cobalt oxide in dry and ventilated place, preventing the rain and humidity.
Use:
Raw materials for cobalt salt manufacture, drier agent of paint and varnish, as well as catalyst for hydrogen peroxide decomposition.
Specification:
| 控 制 标 准Standard(%) | 检 验 结 果Analysis(%) | ||
| Co ≥62.00 | Mg ≤0.005 | Co 62.23 | Mg 0.0009 |
| Ni ≤0.05 | Na ≤0.03 | Ni 0.0004 | Na 0.0062 |
| Fe ≤0.01 | Pb ≤0.005 | Fe 0.0008 | Pb 0.0002 |
| Cu ≤0.002 | Cr ≤0.08 | Cu 0.0003 | Cr 0.065 |
| Mn ≤0.003 | Al ≤0.002 | Mn 0.0001 | Al 0.0001 |
| Zn ≤0.001 | Li ≤0.001 | Zn 0.0001 | Li 0.0001 |
| Ca ≤0.02 | Insol. In Acetic Acid≤0.03 | Ca 0.0006 | Insol. In Acetic Acid 0.019 |
