|
Elements
|
Standard(%)
|
|
CuSO4 . 5H2O
|
≥ 98.0
|
|
Cu
|
≥ 25.0
|
|
Ni
|
≤ 0.05
|
|
Fe
|
≤ 0.05
|
|
Zn
|
≤ 0.001
|
|
Pb
|
≤ 0.001
|
|
As
|
≤ 0.002
|
|
Hg
|
≤ 0.00001
|
|
Cd
|
≤ 0.001
|
|
Acidity(H2SO4)
|
≤ 0.1
|
|
Insoluble matter
|
≤ 0.2
|
