Aluminium Potassium Sulfate Dodecahydrate For Analysis Emsure

ürün Kodu : 101047.1000

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Description
Catalogue Number 101047
Synonyms Potassium aluminium sulfate, Alum potassium, Potassium alum
Product Information
CAS number 7784-24-9
EC number 233-141-3
Grade ACS,Reag. Ph Eur
Hill Formula AlKO₈S₂ * 12 H₂O
Chemical formula KAl(SO₄)₂ * 12 H₂O
Molar Mass 474.39 g/mol
HS Code 2833 30 00
Quality Level MQ300
Physicochemical Information
Density 1.75 g/cm3 (20 °C)
Melting Point 92 °C
pH value 3.0 - 3.5 (100 g/l, H₂O, 20 °C)
Bulk density 900 kg/m3
Solubility 139 g/l
Safety Information according to GHS
RTECS WS5690000
Storage class 10 - 13 Other liquids and solids
WGK WGK 1 slightly hazardous to water
Disposal 14
Inorganic salts: Container I. Neutral solutions of the these salts: Container D. Before placing in Container D, check the pH with pH-Universal indicator strips (Item No. 109535).
Storage and Shipping Information
Storage Store at +2°C to +30°C.
Specifications
Assay (complexometric) 99.0 - 100.5 %
Identity passes test
Appearance of solution passes test
Insoluble matter ≤ 0.005 %
pH-value (10 %; in water) 3.0 - 3.5
Chloride (Cl) ≤ 0.0005 %
Heavy metals (as Pb) ≤ 0.001 %
Cd (Cadmium) ≤ 0.0005 %
Cu (Copper) ≤ 0.0005 %
Fe (Iron) ≤ 0.0005 %
Na (Sodium) ≤ 0.005 %
NH₄ (Ammonium) ≤ 0.005 %
Pb (Lead) ≤ 0.0005 %
Corresponds to ACS,Reag. Ph Eur