Working Electrode Limit of Detection (mol/L) Method References
Carbon nanotubes paste electrode
modified with ferrocenedicarboxylic acid
1.1×10-6 DPV [5]
Nanostructured polyaniline / tungstophosphoric acid CPE 3.0×10-7 DPV [7]
Lead Film modified GCE 7.0×10-10 ASV [36]
5-amino-2-mercapto-1,3,4-thiadiazole modified GCE 2.3×10-10 Amperometry [37]
3-amino-5-mercapto-1,2,4-triazole modified GCE 2.5×10-7 DPV [38]
2,2_-[1,2-ethanediylbis(nitriloethylidyne)]-bis-hydroquinonedouble-wall carbon nanotube paste electrode 1.1×10-7 Chronoamperommetry [39]
Multiwalled carbon nano tube /GCE 1.34×10-7 SVW [40]
Poly (Patton and Reeder’s) modified CPE 18.8×10-9 CV This work
CPE- Carbon Paste Electrode
ASV-Adsorptive Stripping Voltammetry
CV- Cyclic Voltammetry
GCE-Glassy Carbon Electrode
PANI-NanostructuredPolyaniline
SVW- Square Wave Voltammetry
Table 1: Comparision of detection limit of FA with other modified electrodes.