Aluminium potassium sulphate dodecahydrate 99.5-100.5%, AnalaR NORMAPUR® ACS, Reag. Ph. Eur. analytical reagent

Supplier: VWR Chemicals

Synonyms: Aluminium Potassium sulphate, 12-HydrateAluminum potassium sulphate dodecahydrateAlum potassiumPotassium alumAluminium potassium bis(sulphate) dodecahydrate

21110.296EA 116 GBP
21110.296
Aluminium potassium sulphate dodecahydrate 99.5-100.5%, AnalaR NORMAPUR® ACS, Reag. Ph. Eur. analytical reagent
Aluminium potassium sulphate dodecahydrate
Formula: AlK(SO₄)₂·12H₂O
MW: 474,39 g/mol
Melting Pt: 92,5 °C
Density: 1,72 g/cm³ (20 °C)
Storage Temperature: Ambient
MDL Number: MFCD00149143
CAS Number: 7784-24-9
EINECS: 233-141-3
REACH: 01-2119960162-44
Merck Index: 12,00373

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Specification Test Results

Assay 99.5 - 100.5 %
Appearance of solution Passes test Ph.Eur.
Identification A Passes test Ph.Eur.
Identification B Passes test Ph.Eur.
Identification C Passes test Ph.Eur.
pH (20°C; 10 %) 3.0 - 3.5
Heavy metals (as Pb) Max. 10 ppm
Insolubility in water Max. 50 ppm
Cl (Chloride) Max. 5 ppm
NH4 (Ammonium) Max. 50 ppm
Fe (Iron) Max. 5 ppm
Na (Sodium) Max. 0.02 %
Pb (Lead) Max. 5 ppm
Conforms to ACS Passes test
Conforms to Reag. Ph.Eur. Passes test
Conforms to Reag. Ph.Eur. Passes test

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