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Cupric
oxide
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Identification
CAS Nr. 1317-38-0
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Process Caustic boiling of alkaline liquors
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Chemical charcteristics (typical)
| CuO |
96
- 99 % |
| total
copper |
76
- 78 % |
| Cu
+ |
1.0
- 1.5 % |
| H2O |
0.5
- 1.0 % |
| Cl
(soluble) |
0.1
- 0.3 % |
| Pb |
100
- 250 ppm |
| As |
25
- 75 ppm |
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Physical properties (typical)
| Appearance |
black
free flowing fine powder |
| Tapped
density |
3.1
- 3.2 kg/dm³ |
| Medium
diameter |
20 - 30 µm |
| Ignition
loss (600 ° C) |
2.5
- 2.8 % |
| Solubility |
water
insoluble / acid soluble |
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Toxicity / handling / storage
Toxicity |
Not
hazardous |
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Not
regulated under the criteria of Directive 67/548/EEC |
Handling |
Keep
container tightly closed. Avoid all necessary exposure. |
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Storage |
Store
in dry, cool, well-ventilated area. |
- Specific
advantages
- “high” copper concentration
- neutral reaction against sensitive components (such as vitamins,
Iodine)
- high stability |
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