The strongest adverse effect was found with those metal ions which could be retained into the mini-column by forming complex with the SPDA ligand such as copper (30 mg L1) and cobalt (50 mg L1).
The strongest adverse effect was found with those metal ionswhich could be retained into the mini-column by forming complexwith the SPDA ligand such as copper (30 mg L1) and cobalt(50 mg L1).