KIO3 M.W. 214.00 250 gm Assay(by iodometry) min 99.5% pH(5% water) 5.0-8.0 Chloride, Chlorate, Bromide, Bromate as (Cl) max 0.02% Iodide(I) max 0.002% Sulphate(SO4) max 0.006% Total Nitrogen(N) max 0.002% Heavy metals(as Pb) max 0.0006% Iron(Fe) max 0.001% Sodium(Na) max 0.005% Loss on drying(1300C) max 0.05% Oxidizing agent in volumetric chemical analysis