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VWR Potassium dihydrogen phosphate(monobasic) 99.5-100.5%, AnalaR NORMAPUR® Reag. Ph. Eur. analytical reagent
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Specifications:
| Storage Temperature | Ambient | ||
| Product Type | Laboratory Chemical | Forms | Powder |
| Product Brand | VWR | ||
| Product Grade | Analytical grade | Formula | KH₂PO₄ |
Specification Test Results
| Assay (calculated on dried substance) | 99.5 - 100.5 % |
| Appearance of Solution S | Passes test Ph.Eur. |
| Identification A | Passes test Ph.Eur. |
| Identification B | Passes test Ph.Eur. |
| Identification C | Passes test Ph.Eur. |
| Reducing substances | Passes test Ph.Eur. |
| Solubility in water | Passes test |
| pH (20°C; 5 %) | 4.2 - 4.5 |
| Heavy metals (as Pb) | Max. 10 ppm |
| Loss on drying (105°C) | Max. 2 % |
| Total N (Nitrogen) | Max. 20 ppm |
| Water | Max. 0.2 % |
| Cl (Chloride) | Max. 5 ppm |
| SO4 (Sulphate) | Max. 30 ppm |
| As (Arsenic) | Max. 0.5 ppm |
| Ca (Calcium) | Max. 100 ppm |
| Cu (Copper) | Max. 3 ppm |
| Fe (Iron) | Max. 10 ppm |
| Mg (Magnesium) | Max. 20 ppm |
| Na (Sodium) | Max. 0.02 % |
| Pb (Lead) | Max. 10 ppm |
| Conforms to Reag. Ph.Eur. | Passes test |
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