Could anybody tell if BaSO4 is more effective than BaCO3 at removing Lead from a solution?

I have chloride solution of Sn where Pb is an impurity having concentration of 950-990 mg/L. I would like to remove Pb before electrorefining of Sn. While trying with BaCO3, there was about 20-25%...

14 July 2014 5,058 4 View