China Supplier High quality Cuo 99% Copper Oxide
Model NO.: 99% copper oxide
Compound Type: Chelate Fertilizer
Nutrient Composition: Mixed Fertilizer
Type: Copper Fertilizer
Molecular Formula: Cuo
Color: Black to Brown Amorphous Powder
Assay(Cuo) %: 99%
Chlorides(Cl)%: 0.05
Sulfur Compound(So4)%: 0.10
Fe%: 0.20
Sample: Yes
Delivery Time: Within 20 Days
Payment Term: Tt
CAS No: 1317-38-0
Trademark: QFG
Transport Package: 25kg Bag
Specification: 99%
Origin: China
HS Code: 310590000
 | Molecular Formula: | CuO |
| Brand of Products: | QFG COPPER PXIDE 99% POWDERÂ |
| 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. |
| Cupric Oxide | Technical first grade |
| Item | Spec. |
| Assay(CuO) % | 99 |
| Insol. in Hcl % | 0.10 |
| Chlorides(Cl)% | 0.05 |
| Sulfur compound(SO4)% | 0.10 |
| Ni % | 0.10 |
| Fe% | 0.20 |
| Particle size | 200 mesh |
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Cupric Oxide/Copper Oxide (CuO) is the higher oxide of copper. As a mineral, it is known as tenorite. It is a black solid with an ionic structure which melts above 1200 °C with some loss of oxygen. It can be formed by heating copper in air. Copper(II) oxide is a amphoteric oxide, so it dissolves in mineral acids such as hydrochloric acid, sulfuric acid or nitric acid to give the corresponding copper(II) salts.
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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.
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