Table 2.

GO-based material for nitrate and nitrite detection.

Material.	Method	Detection Conditions	Detection Range(µM)	LOD (µM)	Sensitivity (µAµM−1cm−2)	Long-term Stability	Repeatability (RSD)	Reproducibility (RSD)	Ref
Cube-like Pt/GO	Amperometry	1.02 V pH = 4	0.5–227780	0.2	0.358a	N/A	N/A	N/A	[73]
Aggregation-like Pt/GO	Amperometry	1 V pH = 4	0.85–227740	0.02	0.523a	N/A	N/A	N/A	[73]
Globular-like Pt/GO	Amperometry	1.05 pH = 4	0.05–177780	0.015	0.405a	N/A	N/A	N/A	[73]
GO-Ag/GCE	LSV, Amperometry	0.94 V pH = 7	10–180 1–1000	2.1 0.037	N/A	N/A	N/A	N/A	[74]
AgNPs/GO/GCE	LSV	0.91 V pH = 7.2	1–1000	0.24	N/A	N/A	N/A	N/A	[75]
Ag-Fe3O4-GO	Amperometry	0.8 V 6	0.5–720 720–8150	0.17	1.966 0.426	94%/1 M	N/A	3.68%	[76]
Ag-AEfG	Amperometry	0.85 V pH = 7.4	0.05–3000	0.023	0.2	98.7%/300 C	N/A	2.03%	[77]
GO-MWCNTs-PMA-Au	DPV	0.73 V pH = 6	2–10000	0.67	0.484	91.2%/4 W	N/A	4.0%	[79]
Au/GO-CS/GCE	Amperometry	0.8 V pH = 5	0.9–18.9	0.3	N/A	N/A	N/A	N/A	[80]
Au-HNTs-GO	Amperometry	0.8 V pH = 6	0.1–6330 6330–61900	0.03	0.0231 0.0865	93%/1 W	3.5%	N/A	[81]
PANI/GO	Amperometry	0.83 V pH = 5	2–44000	0.5	0.117	N/A	2.4%	2.2%	[82]
Mn3O4 MC/GO/SPE	Amperometry	0.7 V pH = 7	0.1–420 420–1318	0.02	2.37 1.23	97.8%/30 D	N/A	4.82%	[83]
MnO2/GO-SPE	DPV	0.55 V pH = 7.4	0.1–1 1–1000	0.09	1.25 0.005	N/A	N/A	N/A	[84]
Pt-GO-PB	LSV	pH = 7	N/A	6.6	0.0084a	82.8%/20 C	N/A	N/A	[85]
Pt-GO-Fe2O3	LSV	pH = 7	N/A	16.58	0.0093a	72.5%/20C	N/A	N/A	[85]
Fe3O4/GO/COOH/GCE	DPV	pH = 4	1–85 90–600	0.37	0.192a	N/A	N/A	N/A	[86]
CS/FEPA-GO/GCE	Amperometry	0.756 V	0.3–3100	0.1	N/A	92%/1M	3.42%	N/A	[87]
Gem-GO-POM/GCE	DPV	0.6 V	5–500	0.39	0.021a	N/A	N/A	NSD	[88]
GO/MnNH2TPP/GCE	Amperometry	0.76 pH = 4	10–160	2.5	N/A	N/A	N/A	N/A	[89]
BC-GO	Amperometry	1 V pH = 7	0.5–4590	0.2	527.35	91%/1M	2.75%	N/A	[90]

Notes: ¹ DPV; Differential Pulse Voltammetry, ² LSV; Linear Sweep Voltammetry, ^{3 a}: µAµM⁻¹, ⁴ S: second, ⁵ D: Day, ⁶ C: cycles, ⁷ M: Month, ⁸ W; Week, ⁹ NSD; No Significant Difference,¹⁰ N/A: Not Applicable