Ammonium iron(III) sulphate dodecahydrate 98.5-101.0% (by iodometry), BAKER ANALYZED® ACS, J.T.Baker®

Supplier: Avantor
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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

1988-01EA 193 GBP
1988-01 1988-07
Ammonium iron(III) sulphate dodecahydrate 98.5-101.0% (by iodometry), BAKER ANALYZED® ACS, J.T.Baker®
Ammonium iron (III) sulphate dodecahydrate

Crystals. Lot analysis on label.

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

Meets ACS Reagent Chemical Requirements
For Laboratory,Research,or Manufacturing Use 98.5 - 102.0 %
Store in a dry, cool place away from sunlight. = 0.01 %
Assay (FeNH₄(SO₄)₂·12H₂O) (by iodometry) 98.5 - 102.0 %
Insoluble Matter ≤0.01 %
Chloride (Cl) ≤0.001 %
Nitrate (NO₃) ≤0.01 %
Calcium (Ca) ≤0.01 %
Copper (Cu) ≤0.003 %
Magnesium (Mg) ≤0.005 %
Potassium (K) ≤0.005 %
Sodium (Na) ≤0.02 %
Zinc (Zn)(by AAS) ≤0.003 %
Ferrous Iron Passes Test
Meets Reagent Specifications for testing USP/NF monographs

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