Ammonio ferro (II) solfato esaidrato grado analitico ACS, USP, NF 500 g

Ammonio ferro (II) solfato esaidrato AGR ACS, USP, NF
(NH4)2Fe(SO4)2·6H2O
Sale di Mohr
M.W: 392.14 CAS: 7783-85-9 EC: 233-151-8 TARIC: 28429080

Appearance ≤ Greenish blue crystals / crystalline powder
Assay 99.0 – 101.5%
Insoluble matter ≤ 0.01%
Phosphate (PO4) ≤ 0.003%
Calcium (Ca) ≤ 0.005%
Copper (Cu) ≤ 0.003%
Iron III (Fe (III)) ≤ 0.01%
Manganese (Mn) ≤ 0.01%
Magnesium (Mg) ≤ 0.002%
Potassium (K) ≤ 0.002%
Sodium (Na) ≤ 0.02%
Substance not precipitated by NH4OH ≤ 0.05%
Zinc (Zn) ≤ 0.003%