Our company is made of iron ferrous sulfate and sulfuric acid synthesis Shaw. Less high impurity content. Is your best choice

Ferrous sulphate heptahydrate The products are mainly used in integrated circuit printing. The mainly specification is as follows,

Content	101%MIN
Fe	21%MIN
Pb	4PPM MAX
Insoluble matter in water	0.1%MAX
Cd	1PPM MAX
As	1PPM MAX
Zn	0.005%
Cu	0.002%

packing in 25kg pp bag with one pe bag inside

Ferrous Sulphate(FeSo4.7H2O)