98% Electron Grade Copper Sulphate

Copper Sulphate 1)All kinds of grade 2)High purity and professional services 3)Competitive price 4)Cu>25%, Pb<10ppm,As<5ppm

Molecular Formula: CuSO4·5H2OMolecular Weight: 249·68 Properties: blue transparent crystal, relative density: 2·29. Easily soluble in water, aqueous solution is acidic; Not soluble in methanol;glycerol; slightly soluble in ethanol.Use: For the manufacture of other cupric salts; monoazo dyes; as catalyst for the synthesis of perfumes and dyes intermediates; as bactericide, insecticides etc.

Item	second quality	First quality	Best quality	Feed grade	Electroplating grade
Copper sulfate (CuSO4·5H2O) %≥	94	96	98	98.5	99
Acidity (H2SO4) %≤	0.2	0.2	0.2	0.2	0.2
Insol. in water%≤	0.2	0.2	0.2	0.2	0.1
Pb %≤		10ppm	10ppm	10ppm	10ppm
Arsenic≤		5ppm	5ppm	5ppm	5ppm

Feed grade standard: HB2932-1999 ohter grade standard: GB437-93

98% Electron Grade Copper Sulphate