Ferro (II) solfato eptaidrato extra puro 500 g

Ferro (II) solfato eptaidrato EPR
FeSO4·7H2O
Vetriolo verde
M.W: 278,02 CAS: 7782-63-0 EC: 231-753-5 TARIC: 28332980

Appearance ≤ Light blue or blue-green or green powder or crystals
Assay 98.5 – 104.5%
pH (5% water) 3 – 4
Chloride (Cl–) ≤ 0.01%
Heavy metals (Pb) ≤ 0.005%
Arsenic (As) ≤ 0.0002%
Lead (Pb) ≤ 0.001%
Fe (III) salts (Fe) ≤ 0.2%
Copper (Cu) ≤ 0.005%
Manganese (Mn) ≤ 0.1%
Mercury (Hg) ≤ 0.0003%
Zinc (Zn) ≤ 0.05%