Specification Test Results Total Alkalinity as Na O Min. 58.0 % w/w 58.25 % w/w Total Alkalinity as NA CO Min. 99.2 % w/w 99.59 % w/w Sodium Chloride Max. 0.50 % w/w 0.23 % w/w Iron as Fe 0 Max. 50 ppm 14 ppm Calcium as CaO Max. 70 ppm 28 ppm Magnesium as MgO Max. 60 ppm 32 ppm