CAS No.:1317-38-0 Molecular formula: CuO
Molecular weight: 79.54
Density: 6.3-6.9g/cm3
Properties:
black powder,soluble in diluted acid,ammonium chloride,ammounium carbonate
and potassium cyanide solution,insoluble in water and alcohol.Slowly dissolve in
ammonia liquid.
Specification
Packing : 1. It comes in an iron drum, net weight 30 Kg or 50kg.
2. It comes in a woven bag lined with aluminum foil, net weight 25kg.
Transportation :
This goods should be stored in a dry and ventilated warehouse. It must not be stored
with oxide agents. Container must be sealed up to prevent air contact. It must not be
shipped and stored with strong acids and alkalis. In case of catching fire, use tap water
to put out.
Use:
Mainly used in magnetic materials,glass and colorant;also used to produce dyes,catalyst,crease-proofing of paints,fireworks.
Cupric oxide (Electroplate grade)
Item |
Level |
CuO |
98.50%min |
Total copper |
78.70%min |
Cu2O |
0.20%max |
Fe |
0.02max |
Pb |
0.02%max |
Zn |
0.02%max |
Chloride as Cl |
0.01%max |
Total hydrochloric acid Insoluble residue |
0.20%max |
Volatile |
0.20%max |
Particle size (200 mesh) |
0 |
Dissolving speed |
< 1 minute |
Cupric oxide (Industrial grade)
Item |
Level |
CuO |
98.00%min |
Total copper |
78.2%min |
Total hydrochloric acid Insoluble residue |
0.20%max |
Water liquefiable |
0.20%max |
Chloride as Cl |
0.20%max |
Sulphate as SO4 |
0.20%max |
Particle size (100 mesh) |
1.00%max |
Copper Sulfate Pentahydrate Cu-10
Items |
Guaranteed Specification |
Typical Analysis |
CuSO4. 5H2O |
99%Min |
99.36% |
Cu |
25.2% |
25.3% |
Water insoluble |
0.005% Max. |
0.002% |
Ph value |
3.5 – 4.5 |
3.95 |
Cl |
10 ppm Max. |
5 ppm |
Ni |
5 ppm Max. |
2 ppm |
Cd |
3 ppm Max. |
2 ppm |
Pb |
10 ppm Max. |
5 ppm |
Fe |
10 ppm Max. |
7 ppm |
Ca |
5 ppm Max. |
3 ppm |
Zn |
10 ppm Max. |
5 ppm |
Co |
10 ppm Max. |
1 ppm |
As |
5 ppm Max. |
|