Aluminium potassium sulphate dodecahydrate 99.5% for analysis

Supplier: Thermo Scientific

Synonyms: Aluminium Potassium sulphate, 12-Hydrate, Aluminum potassium sulphate dodecahydrate, Aluminium potassium bis(sulphate) dodecahydrate, Potassium alum, Alum potassium

217480010 217485000 217480025
ACRO217480010EA 66.8 EUR
ACRO217480010 ACRO217485000 ACRO217480025
Aluminium potassium sulphate dodecahydrate 99.5% for analysis
Aluminium potassium sulphate dodecahydrate
Formula: AlK(SO₄)₂·12H₂O
MW: 474,39 g/mol
Melting Pt: 92 °C
Density: 1,72 g/cm³ (20 °C)
Storage Temperature: Ambient
MDL Number: MFCD00149143
CAS Number: 7784-24-9
EINECS: 233-141-3
Merck Index: 12,00373

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Specification Test Results

Appearance White Crystals
Titration Complexometric ≥99.5 %
pH 3 to 3.5 (10 % at 20°C)
Chloride (Cl) ≤50 ppm
Ammonium (NH4) ≤2000 ppm
Arsenic (As) ≤2 ppm
Iron (Fe) ≤50 ppm
Heavy metals (as Pb) ≤10 ppm

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