Data obtained for the electrochemical determination of NIT

MethodElectrode typeSupporting electrolyteLinear range (μmol L–1)LOD (μmol L–1)ApplicationRef.
DPVTPC-CPEB-R buffer, pH 7.09.27–108.342.77-[64]
SWVHg(Ag)FEB-R buffer, pH 7.0

2.14–22.01 (peak 1)

0.6–22.01 (peak 2)

0.66 (peak 1)

0.74 (peak 2)

River water[65]
Amp.Cu NPs/N-G/GCEB-R buffer, pH 3.785–1,1102.00River water[66]
DPVScreen-printed sensors containing a sputtered bismuth thick-filmB-R buffer, pH 11.0-1.26–1.88

Distilled water

Tap water

Mineral water

Surface water

[67]
LSVβ-CD-rGO/GCEPB, pH 7.20.5–220.11Three kinds of rice[68]
DPVHCNT/CNH/GCEPB, pH 11.00.02–2.04 × 10–3

Corn

River water

[69]
LSVCeO2/MWCNTs/GCEPB, pH 9.02–1800.72

Corn

River water

[70]
DPVCQDs/AgNs/SDS/GCEB-R buffer, pH 2.51 × 10–4–0.021.5 × 10–3

Tomatoes

Paddy grains

[71]

LOD: limit of detection; Ref.: reference; TPC-CPE: tricresyl phosphate-based carbon paste electrode; B-R: Britton-Robinson; Hg(Ag)FE: silver-amalgam film electrode; Amp.: amperometry; Cu NPs/N-G/GCE: copper nanoparticles functionalized nitrogen-doped graphene nanocomposites modified glassy carbon electrode; β-CD-rGO/GCE: β-cyclodextrin-reduced graphene oxide nanosheets modified glassy carbon electrode; PB: phosphate buffer; HCNT/CNH/GCE: the binary nanohybrid of hydroxylated multiwall carbon nanotubes/single-wall carbon nanohorn modified glassy carbon electrode; CeO2/MWCNTs/GCE: nano-structured cerium oxide and multiwall carbon nanotube composite modified glassy carbon electrode; CQDs/AgNs/SDS/GCE: carbon quantum dots, silver nanoparticles, and sodium dodecyl sulfate modified glassy carbon electrodes; -: none