Assay (as Bacl2 2H2O): 98-100% by wt. Min.
Matter insoluble in Water: 0.2% by wt. Max.
Iron (as Fe): 0.01% by wt Max.
Substance not precipitated by Sulphuric acid: 0.20% by wt. max.
Calcium & Strontium Salts: 0.30% by wt. Max
Copper (as Cu): 0.002% by wt. Max.
PH (of aqueous solution): 5-8 by wt Max.
Water soluble sulphides (as S) parts per million: 40 PPM Max.
Oxidising substances (as NO2)
Heavy Metals (as Pb) parts per million: 100 PPM Max.
Sulphur Compounds (as S): To Pass Test
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