Sodium sulphate, anhydrous 98.5-101.0%, AnalaR NORMAPUR® Reag. Ph. Eur. analytical reagent
:7757-82-6
:
:Na₂SO₄
:MFCD00003504
:12,08829
:1429 °C (1013 hPa)
:888 °C
:2.7 g/cm³ (20 °C)
:142.04 g/mol
:Ambient
:231-820-9
- 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
- Pack typePk