Specification Sheet
Product Name Aluminum potassium sulfate dodecahydrate,
ACS reagent, ≥98%
Product Number 237086
Product Brand SIAL
CAS Number 7784-24-9
Molecular Weight 474.39
 
TEST SPECIFICATION
APPEARANCE (COLOR) White
APPEARANCE (FORM) Crystalline Powder
TITRATION (ION EXCHANGE) 98.0 - 102.0 %
ACS SPECIFICATIONS CORRESPONDS TO REQUIREMENTS
REMARKS ON ACS Heavy Metal (as Lead) ≤ 0.001 %; Insoluble matter ≤ 0.005 %
IRON (ICP) ≤ 10 mg/kg
SODIUM (ICP) ≤ 200 mg/kg
CHLORIDE (CL) ≤ 5 mg/kg
ION CHROMATOGRAPHY (NH4+) ≤ 50 mg/kg
REMARKS X-RAY DIFFRACTION CONFORMS TO STANDARD PATTERN