Sodium sulfate, anhydrous 98.5-101.0%, AnalaR NORMAPUR® Reagent. Pharma. Eur. analytical reagent 1kg CAS 7757-82-6
28114.296
Specification 28114
Sodium sulfate, anhydrous 98.5-101.0%, AnalaR NORMAPUR® Reag. Ph. Eur. analytical reagent
| Formula: Na₂SO₄ MW: 142,04 g/mol Storage Temperature: Ambient |
CAS Number: 7757-82-6 |
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Specification Test Results
| Assay (dried substance) | 98.5 - 101.0 % |
| Acidity or alkalinity | Passes test |
| Appearance of solution | Passes test |
| Identification (SO4) | Passes test |
| Identification (Na) | Passes test |
| Solution S | Passes test |
| pH (25°C; 5 %) | 5.2 - 8.0 |
| Heavy metals (as Pb) | Max. 5 ppm |
| Insolubility in water | Max. 100 ppm |
| Loss on drying (130°C) | Max. 0.5 % |
| Loss on ignition (800°C) | Max. 0.5 % |
| Cl (Chlo ride) | Max. 100 ppm |
| PO4 (Pho sphate) | Max. 10 ppm |
| Total N (Nit rogen) | Max. 5 ppm |
| As (Ars enic) | Max. 1 ppm |
| Ca (Calc ium) | Max. 50 ppm |
| Fe (Iro n) | Max. 5 ppm |
| K (Pot assium) | Max. 50 ppm |
| Mg (Mag nesium) | Max. 25 ppm |
| Conforms to Reag. Ph.Eur. | Passes test |
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