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Table 1 Potentiometric response characteristics of the copper-selective sensors A-C

From: Potentiometric detection and removal of copper using porphyrins

Sensor Working conc. range (M) Slope (mV/decade) Detection limit (μM) R2
A 5x10-5 – 1x10-1 (26.0 ± 0.3) 0.8 0,9969
B 1x10-7 – 1x10-1 (28.4 ± 0.4) 0.09 0,9972
C 1x10-5 – 1x10-1 (24.8 ± 0.4) 8.0 0,9989
  1. The table presents the working concentration range (M), slope (mV/decade of activity) and detection limit (μM) of the obtained sensors.