I've been asked to state the function of PbCO3 in this reaction
In the separation of Ru, Ir, Os, Rh and Ag (now AgCl, after dissolution in Aqua regia), how does addition of PbCO3 and HNO3, bring out AgNO3
In the separation of Ru, Ir, Os, Rh and Ag (now AgCl, after dissolution in Aqua regia), how does addition of PbCO3 and HNO3, bring out AgNO3