Parameter

Applied potential enabling

the Pb accumulation

Electrolysis time

supporting electrolyte nature

supporting electrolyte concentration

Potential scan rate

De-aeration time (N2 1 bar)

Lowest concentration considered for the calibration curve I = f([Pb2+])

Limit of detection

Optimum value selected

āˆ’1.3 V

10 min

HClO4

0.03 M

0.2 Vāˆ™sāˆ’1

10 min

3 µg/L

0.138 µg/L