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Sodium Sulphate

NATURAL SODIUM SULPHATE,Anhydrous
Production Information
PROPERTIES   &  USAGE
Properties   Usage
Chemical formula Na2SO4 Commodity industries
Boiling point 1,429 °C (2,604 °F; 1,702 K) (anhydrous) Thermal storage
Density  2.664 g/cm3 (anhydrous) Small-scale applications
  1.464 g/cm3 (decahydrate)  
Melting point  884 °C (1,623 °F; 1,157 K) (anhydrous)  
  32.38 °C (decahydrate)  
Molar mass  142.04 g/mol (anhydrous)  
  322.20 g/mol (decahydrate)  
 
SPECIFICATION  
Specification    
Appearance : White, free-flowing powder
Mass share of sodium sulfate (Na2SO4), %, min : 99,2
Mass share of insoluble in water group, %, max : 0,2
Mass share of chlorides on conversion to natrium chloride (NaCl), %, max : 0,2
Mass share of iron (Fe) on conversion to Fe2O3, ppm, max : 2000.00%