Assay of Ba(CH3COO)2 min 99.0%(by chelatometry)Substances insoluble in water max 0.01%pH(5% solution 20oC) 6.5-8.5Chloride(Cl) max 0.004%Total nitrogen(N) max 0.005%Heavy metals(as Pb) max 0.001%Iron(Fe) max 0.001%Calcium(Ca) max 0.05%Strontium(Sr) max 0.3%Substances not precipitatedby dilute H2SO4 acid(as Sulphate) max 0.3%Substances reducing KMnO4(as