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Caswell No. 252 Copper (II) Pyrophosphate Copper Pyrophosphate
Chemical Name: Copper Pyrophosphate
Synonyms: Caswell No. 252; Copper (II) Pyrophosphate
CAS No.: 10102-90-6
Relative molecular mass:301.04
Molecular Formula: Cu2P2O7
Properties:
Pale green powder. Dissolves in acid, does not dissolve in water. May have complex reaction with the potassium pyrophosphate, becoming water-soluble pyrophosphoric acid copper potassium complex salt.
Application:
Mainly applied for the cyanide-less ectroplating, is the main salt to supply cupric ion in bath. Used in the bottom of copper for the ornamental protection course and part of anti-carburization accessories.
Specifications:
Items |
Special Grade |
Assay(Cu) |
34.0 |
Insoluble matter in potassium pyrophosphate, % ≤ |
0.1 |
Sodium(Na), % ≤ |
0.5 |
Lead(Pb), % ≤ |
0.003 |
Iron(Fe), % ≤ |
0.01 |
Arsenic(As), % ≤ |
0.0003 |
Chloride(Cl), % ≤ |
0.01 |
Zinc(Zn), % ≤ |
0.005 |
Packing:
25kgs in PE/PP bags or paper drums, 500/1000 kgs in PP bag, 200kgs in metal drum or per clint's requirement.
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