C4H4KNaO6.4H2O M.W. 282.23
DESCRIPTION ................ white crystalline powder
ASSAY ...................... min 99%
CHLORIDE(Cl) ............... max 0.005%
SULPHATE(SO4) .............. max 0.05%
IRON(Fe) ................... max 0.002%
HEAVY METALS(Pb) ........... max 0.001%