硫酸铁(II) 七水合物

14.6 mmHg ( 25 °C)

200

puriss.

99.5-104.5% (manganometric)

crystals

meets analytical specification of Ph. Eur., BP, USP, FCC

Shelf life is limited

reagent type: catalyst
core: iron

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organic volatile impurities, complies (GC), residual solvents, complies, ≤0.005% heavy metals (as Pb)

3-4 (20 °C, 5%)

1.898 g/mL at 25 °C (lit.)

chloride (Cl^-): ≤100 mg/kg

As: ≤2 mg/kg, Ca: ≤200 mg/kg, Cr: ≤50 mg/kg, Cu: ≤30 mg/kg, Fe³⁺: ≤2000 mg/kg, Hg: ≤1 mg/kg, K: ≤20 mg/kg, Mg: ≤200 mg/kg, Mn: ≤1000 mg/kg, Na: ≤100 mg/kg, Ni: ≤50 mg/kg, Pb: ≤2 mg/kg, Zn: ≤20 mg/kg

complies for appearance of solution

Enabling

O.O.O.O.O.O.O.[Fe++].[O-]S([O-])(=O)=O

1S/Fe.H2O4S.7H2O/c;1-5(2,3)4;;;;;;;/h;(H2,1,2,3,4);7*1H2/q+2;;;;;;;;/p-2

SURQXAFEQWPFPV-UHFFFAOYSA-L