Ammonio ferro (III) solfato dodecaidrato grado analitico ACS, USP, NF 500 g

Ammonio ferro (III) solfato dodecaidrato AGR ACS, USP, NF
FeNH4(SO4)2·12H2O
Fe (III) ammonio solfato, allume di ferro
M.W: 482.19 CAS: 7783-83-7 EC: 233-382-4 TARIC: 28333000
H: H319;H315 P: P264;P280;P302+P352;P305+P351+P338;P332+P313;P337+P313

Appearance ≥ Pale violet crystals
Assay 98.5 – 102%
Insoluble matter ≤ 0.01%
Chloride (Cl–) ≤ 0.001%
Ferrous ion ≤ 0.001%
Nitrates (NO3) ≤ 0.01%
Calcium (Ca) ≤ 0.01%
Magnesium (Mg) ≤ 0.005%
Potassium (K) ≤ 0.005%
Sodium (Na) ≤ 0.02%
Copper (Cu) ≤ 0.003%
Zinc (Zn) ≤ 0.003%
Substances not precipited by ammonia (NH4) ≤ 0.05%