Figure 3. Calibration curve of electrochemical potential difference between the Na+-selective ZnO nanorod and the Ag/AgCl reference microelectrodes vs. the Na+ concentration

From

Review of Recent Advances of ZnO Nanowires Based Sensors Devices

M. Alzubaidi, Y. Saleh Ahmed M. Nahhas

American Journal of Nanomaterials. 2023, 11(1), 51-60 doi:10.12691/ajn-11-1-4