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Table 2 Comparison of performances of different electrochemical sensors for nitrites.

From: Facile synthesis of flower like copper oxide and their application to hydrogen peroxide and nitrite sensing

Electrode Linear range (μM) Detection limit (μM) Reference
Nano-Au/Ch/GC 0.4-750 0.1 [47]
Nano-Au/P3MT/GC 5-500 2.3 [48]
Pt disk electrode 10-10 000 4.8 [49]
Cu-Tl composite film-GCE 1000-10 000 250 [50]
CuO-Graphite Composite EC 100- 1 250 0.6 [30]
MnO2-Graphite Composite EC   1.2 [31]
CuO-GCE 1.0-91.5 0.36 This work