Specification :ItemPropertyResult Total Sodium Carbonate Volume(Na2CO3)%≥ 99.2 99.53 Chloride (NaCl)%≤ 0.7 0.40 Iron (Fe)%≤ 0.0035 0.0007 Sulphate (SO4) % ≤ 0.03 0.015 Water insoluble volume % ≤ 0.03 0.007 Ignition loss % ≤ 0.8/Bulk density g/ml 0.9 0.93 Particle size 180um Residue ≥ 70 95.7 Industry Standard: GB210.1—2004