Content 99．0 min% Loss on drying 2.0% The Acid & Alkalinity ≤0.2ml Appearance Free flowing white powder Clarity of Solution Clear & Colourless Chlorides ≤0.02% Total Chlorine ≤0.03% Heay Metal ≤0.001% Arsenic ≤0.0003% Mercury ≤0.0001%

Appearance white or  light yellow powder Assay 95%min PH 7.0-8.5 Volatiles 5.0% max