CHNaO2 M.W. 68.01
ASSAY ........................ min 99%
pH(5% AQUEOUS SOLUTION) ...... 7.0-8.5
CHLORIDE(Cl) ................. max 0.005%
SULPHATE(SO4) ................ max 0.005%
IRON(Fe) ..................... max 0.005%
HEAVY METALS(Pb) ............. max 0.005%