Table 4.
Applications of Polymer Nanocomposites-Based Electrochemical Sensors for the Detection of Nitrite in Environmental Specimens
| electrochemical sensor | method | analyte | detection limit | linear range | ref |
|---|---|---|---|---|---|
| Gr/PPy/CHIT/GCE | amperometry | nitrite | 0.1 μM | 0.5−722 μM | 143 |
| Co NPs-PEDOT-Gr/GCE | amperometry | nitrite | 0.15 μM | 0.5 μM to 240 μM | 144 |
| Ag−PAMAM/GCE | amperometry | nitrite | 0.4 μM | 4.0 μM to 1.44 mM | 145 |
| PDDA-RGO/GCE | amperometry | nitrite | 0.2 μM | 0.5 μM to 2 mM | 146 |
| PEDOT/AuNP/GCE | amperometry | nitrite | 60 nM | 0.2 to 1400 μM | 147 |
| Fe1.833(OH)0.5O2.5/NG@PDDA/GCE | amperometry | nitrite | 0.027 μM | 0.1−1275 μM | 148 |
| RGO/MoS2/PEDOT/GCE | DPV | nitrite | 0.059 μM | 0.001−1.0 mM | 149 |
| RGO/MnFe2O4/PANI/GCE | DPV | nitrite | 0.015 μM | 0.05−12000 μM | 150 |