Specification Sheet
Product Name
Aluminum potassium sulfate dodecahydrate puriss. p.a., ACS reagent, reag. Ph. Eur., ≥99.5%
Product Number
31242
Product Brand
sigald
CAS Number
7784-24-9
Molecular Weight
474.39
Test | Specification |
|---|---|
| APPEARANCE (COLOR) | Colorless or White |
| APPEARANCE (FORM) | Powder or Crystals |
| TITRATION (ION EXCHANGE) | ≥ 99.5 % |
| SOLUBILITY (COLOR) | complying |
| SOLUBILITY (TURBIDITY) | complying |
| SOLUBILITY (METHOD) | ACC. TO PH.EUR. |
| PH-TEST | 3.0 - 3.5 |
| PH (METHOD) | 10 % in water , 20C |
| ACS SPECIFICATIONS | CORRESPONDS TO REQUIREMENTS |
| REMARKS ON ACS | INSOLUBLE MATTER ≤ 0.005 % HEAVY METALS (AS PB) ≤ 0.001 % |
| CADMIUM (ICP) | ≤ 5 mg/kg |
| COPPER (ICP) | ≤ 5 mg/kg |
| IRON (ICP) | ≤ 5 mg/kg |
| SODIUM (ICP) | ≤ 100 mg/kg |
| LEAD (ICP) | ≤ 10 mg/kg |
| ARSENIC TRACES (MHS-AAS) | ≤ 2 mg/kg |
| CHLORIDE (CL) | ≤ 5 mg/kg |
| ION CHROMATOGRAPHY (NH4+) | ≤ 50 mg/kg |
| RECOMMENDED RETEST PERIOD | 60 MONTHS |