SpecificationTOTAL ALKALINITY(AS Na2CO3 IN DRY BASE)% ≥99.2CHLORIDE CONTENT(AS NaCl) %≤0.70IRON CONTENT(AS Fe IN DRY BASE) /%≤0.003SULPHATE CONTENT(AS SO4 IN DRY BASE) /%≤0.03WATER INSOLUBLE MATTER /%≤0.03LOSS ON IGNITION a/ %≤0.5 Mainly used in glass, chemical engineering, metallurgy, paper making, printing & dyeing, detergents and petro-chem industry.