Polynuclear Nickel Hexacyanoferrate/Graphitized Mesoporous Carbon Hybrid Chemically Modified Electrode for Selective Hydrazine Detection

Table 1

Comparison of hydrazine detection limit on various chemically modified electrodes.

S. No	Modified electrode	pH	Detection limit (𝜇M)	Reference
1	Cu–Pd screen-printed carbon electrodes	7.4	0.27	[11]
2	GCE/NiHCFe@f-MWCNT	7.0	0.62	[27]
3	NiHCFe-graphite electrode	7.0	0.10	[28]
4	Ni(II)-baicalein-MWCNT-paste electrode	13	0.80	[31]
5	NiHCFe-nanoparticle-carbon ceramic electrode	7.0	8.00	[32]
6	Indenedione -MWCNT-carbon ceramic electrode	7.0	0.29	[33]
7	GCE/ZnO-MWCNTs	7.0	0.18	[34]
8	GCE/Mn(II) complex-MWNTs	8.0	0.50	[35]
9	Co(II)complex-MWCNT-carbon paste electrode	7.0	0.10	[36]
10	GCE/CeHCFe-ordered mesoporous carbon	7.0	0.10	[37]
11	Polyethylenedioxy pyrrole/MWCNTs-Pd	7.4	0.04	[38]
12	GCE/NiHCFe@GMC	7.1	0.02	Present work

HCFe: hexacyanoferrate; MWCNT: multiwalled carbon nanotube; f-MWCNT: functionalized-MWCNT; GMC: graphitized mesoporous carbon; GCE: glassy carbon electrode.