POTASSIUM CARBONATE ANHYDROUS 99 Extra Pure - 500 GM

K2CO3 M.W. 138.21Assay(by acidimetry) min 99.0%Insoluble matter in water max 0.02%Loss on drying at 300oC max 3.0%Total Nitrogen(N) max 0.005%Chloride (Cl) max 0.01%Phosphate (PO4) max 0.005%Sulphate(as SO4) max 0.05%Aluminium (Al) max 0.005%Lead (as Pb) max 0.003%Arsenic(As) max 0.0003%Calcium(Ca) max 0.01%Copper (Cu) max 0.003%Iron(Fe) max 0.003%Magnesium(Mg) max 0.01%Nickel (Ni) max 0.003%