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VWR Potassium hydrogen carbonate ≥99.5%, AnalaR NORMAPUR® analytical reagent, 1kg
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Specifications:
| Storage Temperature | Room Temperature | ||
| Product Type | Laboratory Chemical | Forms | Powder |
| Product Brand | VWR | ||
| Product Grade | Analytical grade | Formula | KHCO₃ |
Specification Test Results
| Assay | Min. 99.5 % |
| Substances reducing iodine (0,1 N) | Passes test |
| pH (20°C; 5 %) | 8.2 - 8.8 |
| Heavy metals (as Pb) | Max. 5 ppm |
| Insolubility in water | Max. 50 ppm |
| Substances precipitated by NH4OH | Max. 100 ppm |
| Cl (Chloride) | Max. 10 ppm |
| NH4 (Ammonium) | Max. 10 ppm |
| NO3 (Nitrate) | Max. 10 ppm |
| PO4 (Phosphate) | Max. 10 ppm |
| SO4 (Sulphate) | Max. 20 ppm |
| As (Arsenic) | Max. 2 ppm |
| Ca + Mg (as Ca) | Max. 100 ppm |
| Fe (Iron) | Max. 2 ppm |
| Na (Sodium) | Max. 0.025 % |
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