Ammonium iron(III) sulphate dodecahydrate 99.0-101.0%, AnalaR NORMAPUR® analytical reagent

Supplier: VWR Chemicals
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Synonyms: Alum iron, Ammonium iron sulphate dodecahydrate, Ferric ammonium sulphate dodecahydrate, Ammonium iron(III) sulphate dodecahydrate, Iron alum, Ammonium ferric sulphate dodecahydrate

21094.233EA 36.4 GBP
21094.233 21094.290 21094.260
Ammonium iron(III) sulphate dodecahydrate 99.0-101.0%, AnalaR NORMAPUR® analytical reagent
Ammonium iron (III) sulphate dodecahydrate
Formula: NH₄Fe(SO₄)₂·12H₂O
MW: 482,2 g/mol
Boiling Pt: 230 °C (1013 hPa)
Melting Pt: 39…41 °C
Density: 1,71 g/cm³ (20 °C)
Storage Temperature: Ambient
MDL Number: MFCD00150004
CAS Number: 7783-83-7
EINECS: 233-382-4
Merck Index: 12,00549

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Specification Test Results

Assay 99.0 - 101.0 %
Insolubility in water Max. 50 ppm
Substances not precipitated by NH4OH Max. 0.1 %
Cl (Chloride) Max. 10 ppm
NO3 (Nitrate) Max. 100 ppm
Cu (Copper) Max. 20 ppm
Fe (II) (Iron) Max. 10 ppm
Mn (Manganese) Max. 50 ppm
Pb (Lead) Max. 20 ppm
Zn (Zinc) Max. 30 ppm

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