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VWR Potassium iodide ≥99.5%, AnalaR NORMAPUR® analytical reagent
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Formula: Kl
CAS Number: 7681-11-0
Specifications:
| Storage Temperature | Ambient | ||
| Product Type | Laboratory Chemical | Forms | Powder |
| Product Brand | VWR | ||
| Product Grade | Analytical grade | ||
Specification Test Results
| Assay | Min. 99.5 % |
| Solution in water | Passes test |
| Alkalinity | Max. 0.002 meq/g |
| pH (20°C; 5 %) | 5.7 - 9.2 |
| Heavy metals (as Pb) | Max. 2 ppm |
| Insolubility in water | Max. 50 ppm |
| Loss on drying (150°C) | Max. 0.2 % |
| Reducing substances (as I) | Max. 10 ppm |
| Total N (Nitrogen) | Max. 10 ppm |
| Cl + Br (as Cl) | Max. 100 ppm |
| IO3 (Iodate) | Max. 2 ppm |
| PO4 (Phosphate) | Max. 10 ppm |
| SO4 (Sulphate) | Max. 10 ppm |
| As (Arsenic) | Max. 0.1 ppm |
| Ba (Barium) | Max. 20 ppm |
| Ca (Calcium) | Max. 10 ppm |
| Cu (Copper) | Max. 2 ppm |
| Fe (Iron) | Max. 2 ppm |
| Mg (Magnesium) | Max. 5 ppm |
| Na (Sodium) | Max. 0.03 % |
| Pb (Lead) | Max. 5 ppm |
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