NOT KNOWN FACTUAL STATEMENTS ABOUT BARIUM NITRATE CRYSTAL

Barium carbonate is at first dissolved in $mathrm HNO_ three $. Iron impurities precipitate to your surface as these chemical substances react. You have to get rid of these contaminants using the filtration technique.How can a poisonous compound like barium sulfate be employed for this technique? Barium sulfate would not dissolve in water. So it si