cupric oxide
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cupric oxide

Character  Cupric Oxide is the black non-finalize design powder or crystallize, pellet (monophase powder) with density 6.313, melting point 1446°C, melting rate 11.80KJ/mol, hardness 3.4, dielectric constant 18.10. It doesn’t dissolve in water, but dissolves is in acid, ammononia water, ammonium chloride, then turns into blue solution. It can be also turned back to copper powder with hydrogen or carbon monoxide in high temperature.

Copper Oxide(CuO)≥                                  98%

Chlorhydric acid indissolvableness≤          0.2%

Water soluble≤                                         0.1%

Chloride(Cl-)≤                                           0.2%

Sulfate(So4)≤                                            0.2%

Cadmium(Cd)<                                         5ppm

Lead(Pb)<                                            100ppm

Mercury(Hg)<                                           2ppm

Hexad chromium(Cr VI)<                          2ppm

Fine≤                                                        0.3%

Maimly

Mainly used in the industry areas of glass, ceramics, enamel, colors, etc. It can be used as germicide, solar heat absorption material, artificial rainmaking material; it can also used in ferromagnetic materials of electronics industry