XII. DETERGENT CHEMICALS

i. Sodium Sulphate
   a) Specifications
       Product : Sodium sulphate (Anhydrous)
       Appearance : White powder
       Assay : 99% Minimum
       Insoluble in water : 0.5% Maximum
       Chloride as NaCl : 0.3 % Maximum
       Iron as Fe : 0.003 % Maximum
       Sieve-analysis : 80 to 85% material passing through 100 mesh