ITEM RESULT F-Cl2 1 Max. HCL 30 – 32% Ca 0.23 ppm MS 0.047 ppm Fe 0.009 ppm Si 0.02 ppm AL 0.0012 ppm Heavy Metal (Pb) Max. 2 ppm Unvolatile Max. 10 ppm Sulphate 3 ppm Cr N.D Ni N.D Hg N.D Cu N.D