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Table 1 Optimization of the membrane composition to fabricate high iron (III) selective electrode

From: Potentiometric sensor for iron (III) quantitative determination: experimental and computational approaches

Sensor no.IPVCPlasticizerLipophilic additiveNernstian slope (mV decade−1)aR2Response time (s)
DOPDBPo-NPOENBKTpClPBNaTFPBTDATpClPBNaTPB
1030.0 69.50.54.68 ± 0.210.866N/A
23.030.066.50.516.51 ± 0.250.99817
34.030.065.50.519.51 ± 0.100.99812
45.030.064.50.524.23 ± 0.360.99610
54.030.065.50.518.14 ± 0.410.94013
64.030.065.50.512.30 ± 0.480.93317
74.030.065.50.517.77 ± 0.350.97015
84.030.065.50.514.40 ± 0.540.98715
94.030.065.50.517.40 ± 0.450.99214
104.030.065.50.511.62 ± 0.390.97317
114.030.065.80.218.34 ± 0.260.99815
124.030.065.0122.17 ± 0.330.97515
134.030.064.51.524.37 ± 0.430.97513
  1. aAverage and standard deviation for triplet measurements