Efficient preconcentration strategy is of vital importance for the sensitive and selective electrochemical detection of metal ions; rapid specific enrichment with the depressed absorption of interfering ions at electrode, however, is challenging. Here, we proposed an electric field-induced...

Efficient preconcentration strategy is of vital importance for the sensitive and selective electrochemical detection of metal ions; rapid specific enrichment with the depressed absorption of interfering ions at electrode, however, is challenging. Here, we proposed an electric field-induced...