Research Article

Rapid Determination of Mercury Ions in Environmental Water Based on an N-Rich Covalent Organic Framework Potential Sensor

Table 2

Reproducibility of the GPE/COFTFPB-TZT electrode.

No.Potential (mV)
1.0 × 10−6 mol/L1.0 × 10−4 mol/L

197.0140.0
296.3139.3
397.0140.0
495.6140.0
596.3139.2
696.2138.5
797.1139.2
897.0139.3
996.3140.0
1097.0140.7
AV96.6139.6
RSD0.53%0.45%