Cat.NO.: 100019 Grade: AR M.F.: (NH4)2Fe(SO4)2 6H2O CAS: 7783-85-9 Appearance:blue-green crystal

bluish-green crystal

usage: analytical reagent; indicator for testing Halogen

assay: >=99.5%

PH: 3-5(50g/L, 25°C)

Insoluble in water: <=0.005%

Chloride: <=0.001%

Phosphate: <=0.0005%

Mangnese: <=0.05%

Iron: <=0.01%

Copper: <=0.002%

Zinc: <=0.005%

Lead: <=0.002%

Substances not precipitated by NH4OH(as SO4): <=0.1%

Ammonium Iron(II) sulfate hexahydrate