Ammonium iron(III) sulphate dodecahydrate, EMSURE® for analysis, Supelco®
Supplier: Merck
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Danger
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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
M-Clarity™ quality level = MQ300
1.03776.0500
1.03776.1000
1.03776.5000
1.03776.9050
1.03776.0500EA
74
GBP
1.03776.0500
1.03776.1000
1.03776.5000
1.03776.9050
Ammonium iron(III) sulphate dodecahydrate, EMSURE® for analysis, Supelco®
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 |
Specification Test Results
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 % |
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