Name

COPPER OXIDE

Chemical Formula

CuO

appearance

Black powder

Product index

Electronic grade

Industry grade

Purity%≥    

98%

98%

Insoluble in acid≤ 

0.2% max

0.2% max

Soluble in water ≤ 

0.1% max

0.1% max

Free moisture≤ 

1.0% max

0.1%

Chlorine≤ 

20PPM

0.2% max

Sulphate≤ 

0.2%max

0.2% max

Cadmium≤ 

5ppm max

10PPM

Lead≤ 

100ppm max

0.1PPM

Iron≤

500ppm max

0.05PPM

Mercury

2ppm max

-

Arsenic

5ppm max

-

Chrome (Cr Ⅵ):

2ppm max

-

Particles size (325 mesh):

0.3% max

0.3% max