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Table 3 EIS results of NiPcMWCNTs/GCE in four dissimilar electrolytes

From: Impedance and voltammetry detection of bromate in food samples using NiPcMWCNTs modified glassy carbon electrode

EIS parameter

Electrolyte

Rs (Ω)

CPE (μF)

Rct (kΩ)

W (μF)

N

X2

H2SO4

39.9 (2.95)

42.0 (53.2)

0.06 (9.53)

3130 (3.96)

0.79 (8.22)

0.320

Na2SO4

62.6 (1.96)

17.8 (8.06)

9.04 (21.8)

37.5 (5.88)

0.78 (1.49)

0.186

PBS

105 (2.20)

43.4 (10.65)

1.98 (7.21)

407 (5.98)

0.63 (2.38)

0.164

SAB

91 (2.50)

306 (11.5)

0.36 (5.12)

714 (5.70)

0.50 (3.68)

0.192

  1. H2SO4, Sulfuric acid; Na2SO4, Sodium sulphate; PBS, Phosphate buffer solution; SAB, Sodium acetate buffer