Merck 1037769050 十二水合硫酸铁（III）铵 (H₄NFeO₈S₂ * 12 H₂O, 纤维纸箱 50kg)

CAS number: 7783-83-7

EC number: 233-382-4

Hill Formula: H₄NFeO₈S₂ * 12 H₂O

Chemical formula: (NH₄)Fe(SO₄)₂ * 12H₂O

Molar Mass: 482.19 g/mol

Assay (iodometric): 99.0 - 102.0 %

Insoluble matter: ≤ 0.005 %

Chloride (Cl): ≤ 0.0005 %

Nitrate (NO₃): ≤ 0.01 %

Cu (Copper): ≤ 0.001 %

Fe II (Iron II): ≤ 0.001 %

Ca (Calcium): ≤ 0.01 %

K (Potassium): ≤ 0.005 %

Mg (Magnesium): ≤ 0.001 %

Mn (Manganese): ≤ 0.005 %

Na (Sodium): ≤ 0.01 %

Pb (Lead): ≤ 0.0005 %

Zn (Zinc): ≤ 0.001 %

Corresponds to ACS, ISO, Reag. Ph. Eur.