Purity :99%
Appearance:Black
Packaging Details:5kg per bag
2.Materialize character: Dissoluble in water and ethanol. Dissoluble in diluent acid, ammonium chloride and potassuim cyanide.Dissolve slowly in ammoniacal liquor
3.Application: magnetic material.glass. colorant.dye.accelerant. paint's crease-resist and Catharine
4.Specification
|
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
|
|