Comparison of the manufactured electrode for HQ, CC, RC and NO₂⁻ detection with other electrodes.

Electrode	HQ		CC		RS		NO2−		Optimum pH	Ref.
	D.La (μM)	L.Rb (μM)	D.L (μM)	L.R (μM)	D.L (μM)	L.R (μM)	D.L (μM)	L.R (μM)
CDs/r-GO/GCE	0.17	0.5–1000	0.28	1.0–950	1.0	5.0–600	—	—	7	37
AuNPs/Fe3O4–APTES–GO/GCE	1.1	3–137	0.8	2–145	—	—	—	—	7.4	38
P-rGO modified electrode	0.08	10–170	0.18	4–50	2.62	10–180	—	—	7	39
MWCNT–SH@Au GR	4.17	54.5–1250.5	1	11–126	7.8	43.5–778.5	23.5	86–7500	7	12
Au/pAMTa–MWNTs/GCE	0.3	7.2–391.2	0.24	3.6–183.6	0.6	8.4–398.4	10	30–419	7	21
GPE/PQ–BNWs	0.12	0.76–362.7	0.2	0.74–321.9	0.82	4.99–970.6	4.5	14.9–2392.6	8	This work

^aDetection limit.

^bLinear range.