Determination of Ni~(2+) ,Co~(2+) and Mn~(2+) Concentrations in Ni-Co-Mn Alloy Plating Bath by Complex Titrimetry

The concentrations of Ni2 + ,Co2 + and Mn2 + ionsin Ni Co Mn alloy electroplating bath were determined by EDTA complex titration .The method is accurate in determination ,convenient in operation and good in practice.