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Industrial grade copper sulfate pentahydrate

CAS: 7758-99-8
Molecular formula: CuSO4 5H2O
Specification: blue crystal
Packing: 25kg per plastic bag, sealed packaging. Stored in a cool dry place.
Use: Analytical reagents, catalysts, mordants, colorants, rayon pigments, sources of other copper salt.

Details

Copper sulfate crystal	Electronic grade	Superior grade(Plating grade)	First grade(Plating grade)
Item	Index	Index	Index
Content (CuSO4.5H2O) ≥	99%	98%	98%
Chloride (Cl) ≤	0.0015%	0.002%	0.01%
PH value(5%,20°)	3.5~4.5	3.5~4.5	3.5~4.5
Fe ≤	0.001%	0.002%	0.005%
Ni ≤	0.0005%	0.0005%	0.005%
Zn ≤	0.001%	0.005%	0.005%
As ≤	0.0005%	0.0005%	0.001%
Pb ≤	0.001%	0.001%	0.005%