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CUPRIC OXIDE
Property: black to brown amorphous powder or crystalline particles (monoclinic crystals). Relative density 6.315, melting point 1446 °C, Mohs hardness 3-4, dielectric constant 18.10, insoluble in water, soluble in acid, ammonia, ammonium chloride, dissolved in sodium hydroxide to produce blue color solution, which leads to hydrogen or carbon monoxide at high temperature.
Application: used in making fibers, ceramics, gas analyses and for Welding fluxes. Cupric Oxide is used as a catalyst and in catalyst preparation. Cupric Oxide (CuO) is the higher oxide of copper. Cupric oxide is used as a pigment in ceramics to produce blue, and green glazes. Cupric oxide is used as flux in copper and bronze metallurgy, in galvanic electrodes, as solvents for chromic iron ores,and also used in manufacturing wood preservatives.
Molecular Formula: | CuO |
Brand of Products: | Baofull |
CAS NO: | 1317-38-0 |
EINECS NO. : | 215-269-1 |
Appearance: | black to brown amorphous powder |
Usage: | used as raw material to produce magnetic materials such as Nickel Zinc ferrites and temperature sensitive elements, or used as pigment in ceramic and glass industry; it can also be used as catalyst of organic reaction to produce rayon or as raw materials of other copper compounds, oil desulfurization agent, anti-creasing agent of paint and polishing paste of optical glass. |
Packing: | In polyethylene film bag with outer polypropylene woven bag, 25kg, 50kg, big sack bag or as required by the customer. |
Storage: | Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. |
ITEM | STANDARD Value | |
TYPE-E | TYP-I | |
Copper Oxide (CuO) | ≥ 98% | ≥ 98% |
Copper (Cu) | ≤ 78.2% | -- |
Fe | ≤0.5 % | ≤0.2 % |
Water | ≤ 0.3% | ≤ 0.3% |
Chloride (Cl-) | ≤ 0.2% | ≤ 0.2% |
Sulfate (SO4-) | ≤ 0.2% | ≤ 0.2% |
Hydrochloric Acid insoluble substances | ≤ 0.2% | ≤ 0.2% |
Fineness(residue on 325 mesh) | ≤0.3% | - |
Fineness(residue on 200 mesh) | -- | ≤0.3% |
Note: Special requirements should be decided through negotiation between the seller and the buyer.
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