Sodium sulphate, anhydrous 98.5-101.0%, AnalaR NORMAPUR® Reag. Ph. Eur. analytical reagent
Supplier: VWR Chemicals
Synonyms:
Disodium sulphate, Bisodium sulphate, Sulphuric acid disodium salt
VWRC28114.296EA
32.5
SGD
VWRC28114.296
VWRC28114.365
VWRC28114.230
VWRC28114.460
VWRC28114.260
Sodium sulphate, anhydrous 98.5-101.0%, AnalaR NORMAPUR® Reag. Ph. Eur. analytical reagent
Sodium sulphate
Formula:
Na₂SO₄ MW: 142,04 g/mol Boiling Pt: 1429 °C (1013 hPa) Melting Pt: 888 °C Density: 2,7 g/cm³ (20 °C) Storage Temperature: Ambient |
MDL Number:
MFCD00003504 CAS Number: 7757-82-6 EINECS: 231-820-9 Merck Index: 12,08829 |
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 |
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 (Chloride) | Max. 100 ppm |
PO4 (Phosphate) | Max. 10 ppm |
Total N (Nitrogen) | Max. 5 ppm |
As (Arsenic) | Max. 1 ppm |
Ca (Calcium) | Max. 50 ppm |
Fe (Iron) | Max. 5 ppm |
K (Potassium) | Max. 50 ppm |
Mg (Magnesium) | Max. 25 ppm |
Conforms to Reag. Ph.Eur. | Passes test |
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