Sodium Sulfate Decahydrate GR 1kg
for analysis EMSURE® ACS,Reag. Ph Eur
Manufacturer: Merck
Catalog ID: 106648.1000
Stock: In Stock
Description
| Catalogue Number | 106648 |
Product Information
| CAS number | 7727-73-3 |
| EC number | 231-820-9 |
| Grade | ACS,Reag. Ph Eur |
| Hill Formula | Na₂O₄S * 10 H₂O |
| Chemical formula | Na₂SO₄ * 10 H₂O |
| Molar Mass | 322.19 g/mol |
| HS Code | 2833 11 00 |
Physicochemical Information
| Density | 1.464 g/cm3 |
| Melting Point | 32.4 °C |
| pH value | 5.2 - 8.0 (50 g/l, H₂O, 25 °C) (anhydrous substance) |
| Bulk density | 700 kg/m3 |
| Solubility | 420 g/l |
Storage and Shipping Information
| Storage | Store at +15°C to +25°C. |
Specifications
| Assay (alkalimetric) | ≥ 99.0 % |
| Assay (alkalimetric, calculated on dried substance) | 98.5 - 101.0 % |
| Identity | passes test |
| Appearance 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 % |
| corresponds to ACS,Reag. Ph Eur |
