arthur kierski
Well-known member
i have rh sulphate solution contaminated with iron sulphate-----this makes the plating solution to produce a blackish plating in fantasy jewllery----up to know, i eliminate the iron with potassium ferro cianide producing a blue precipitate(prussian blue)--- i am looking for another precipitant and would like help from anyone who knows if there is another precipitant?
thanks in advance,
Arthur
thanks in advance,
Arthur
