Specification Test Results

• Synonyms:
  Sodium sulphate (2:1); Disodium sulphate; Natriumsufat; Salt Cake; sulphuric acid, disodium salt; Thenardite; Trona
• Form:
  White powder
• Storage:
  Store at room temperature (15 to 30 °C)
• Assay:
  99,0%
• Heavy Metals:
  5 ppm (as Pb)
• Insoluble Matter:
  0,01%
• Loss on Drying:
  0,5%
• pH:
  5,2 - 9,2 (5% aq soln)
• Refractive Index:
  1,484 (Lit.)