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| LC5247 Sodium sulfate decahydrate for analysis |
| Order number | Packaging | Quantity | Price € |
| AC32247 | Plastic bottle | 1 kg | 25.20 |
| AC32247 | Fibre carton | 25 kg | inquire |
| Product information | |
| Hill Formula | Na2O4S * 10 H2O |
| Chemical formula | Na2SO4 * 10 H2O |
| HS Code | 2833 11 00 |
| EC number | 231-820-9 |
| Molar mass | 322.19 g/mol |
| Storage | Store at +15°C to +25°C. |
| CAS number | 7727-73-3 |
| Chemical and physical data | |
| Solubility | 420 g/l (20 °C) |
| Melting point | 32.4 °C |
| Molar mass | 322.19 g/mol |
| Density | 1.464 g/cm3 |
| Bulk density | 700 kg/m3 |
| pH value | 5 – 7.5 (100 g/l, H2O, 20 °C) (anhydrous substance) |
| Safety information | |
| Storage class | 10 – 13 Other liquids and solids |
| WGK | WGK 1 slightly water endangering |
| Disposal | 14 Inorganic salts: Container I. Neutral solutions of the these salts: Container D. Before placing in Container D, check the pH with pH-Universal indicator strips (Item No. 109535). |
| Transport information | |
| Declaration (transport by sea) IMDG-Code | No Dangerous Good |
| Declaration (transport by air) IATA-DGR | No Dangerous Good |
| Specifications | |
| Assay – alkalimetric |
≥ 99.0 % |
| – alkalimetric, calculated on dried substance | 98.5 – 101.0 % |
| Identity | passes test |
| Clarity of solution | passes test |
| Insoluble matter | ≤ 0.01 % |
| pH-value (5 %; water; 25 °C) | 5.2 – 8.0 |
| Acidity or alkalinity | passes test |
| Chloride (Cl) | ≤ 0.0003 % |
| Phosphate (PO4) | ≤ 0.0005 % |
| Total nitrogen (N) | ≤ 0.0003 % |
| Heavy metals (as Pb) | ≤ 0.0003 % |
| As (Arsenic) | ≤ 0.0001 % |
| Ca (Calcium) | ≤ 0.002 % |
| Fe (Iron) | ≤ 0.0005 % |
| K (Potassium) | ≤ 0.002 % |
| Mg (Magnesium) | ≤ 0.001 % |
| Loss on drying (130 °C) | 52.0 – 57.0 % |