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| CuO | >=98% | >=99% |
| Cl | <=0.015% | <=0.005% |
| insoluble in HCl | <=0.15% | <=0.05% |
| SO42- | <=0.1% | <=0.01% |
| Fe | <=0.1% | <=0.01% |
| N | -- | <=0.005% |
| soluble in water | <=0.1% | <=0.01% |
| particle size | D50<10um | D50<10um |
Copper oxide is 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 to produce blue color solution, which leads to hydrogen at high temperature can be reduced to metallic copper.
Specification copper oxide:
COA | ||
Item | Standard I | Standard II |
CuO , % ≥ | 99 | 98 |
Muriatic acid insoluble substance ≤ ,% | 0.05 | 0.20 |
Cl , % ≤ | 0.02 | 0.20 |
SO 4 , % ≤ | 0.05 | 0.20 |
water-insoluble , % ≤ | 0.01 | 0.10 |
Residue on sieve (150um ) ≤ ,% | 0.10 | |
Residue on sieve (300um ) ,≤ % | 0.10 | |
Application:
Mainly applies to electric plating ,magnetic material, enamel coloring, ceramics pigment and copper salt.
widely used in glass,pigment,desulfurizer,catalyst,etc.
| CuO | >=98% | >=99% |
| Cl | <=0.015% | <=0.005% |
| insoluble in HCl | <=0.15% | <=0.05% |
| SO42- | <=0.1% | <=0.01% |
| Fe | <=0.1% | <=0.01% |
| N | -- | <=0.005% |
| soluble in water | <=0.1% | <=0.01% |
| particle size | D50<10um | D50<10um |
Copper oxide is 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 to produce blue color solution, which leads to hydrogen at high temperature can be reduced to metallic copper.
Specification copper oxide:
COA | ||
Item | Standard I | Standard II |
CuO , % ≥ | 99 | 98 |
Muriatic acid insoluble substance ≤ ,% | 0.05 | 0.20 |
Cl , % ≤ | 0.02 | 0.20 |
SO 4 , % ≤ | 0.05 | 0.20 |
water-insoluble , % ≤ | 0.01 | 0.10 |
Residue on sieve (150um ) ≤ ,% | 0.10 | |
Residue on sieve (300um ) ,≤ % | 0.10 | |
Application:
Mainly applies to electric plating ,magnetic material, enamel coloring, ceramics pigment and copper salt.
widely used in glass,pigment,desulfurizer,catalyst,etc.
