Table 3. Determination of Hg2+ Using Different Modified Electrodesa.
| electrodes | methods | medium (M) | sensitivity | LOD (μg/L) | LDR (μg/L) | ref |
|---|---|---|---|---|---|---|
| Au–SPCE | SWASV | HCl (0.025) | 1.02 ± 0.07 | 1–100 | (7) | |
| Au–SPCE | SWASV | HCL (0.05) | 0.5 | 5–30 | (36) | |
| Au–SPCE | SWASV | HCl (0.05) | 1.1 ng/mL | 0.2–0.8 | (37) | |
| Au-ink-SPCE | SWASV | HCl (0.1) | 0.9 | 1–1000 | (38) | |
| SbF-CPE | SWASV | HCl (1) | 1.3 ppb | 10–100 | (39) | |
| AuF-CPE | SWASV | HNO3/KCl (0.05/0.02) | 50 ng/L | 0.2–50 | (40) | |
| Unmod-SPCE | DPASV | NaCl (0.1) | 2 ppm | 5–100 | (41) | |
| Chitosan-SPCE | DPASV | HCl/KCl (0.1) | 60 ng/L | 10–200 | (42) | |
| PAm-blue SPCE | DPASV | HCl (0.5) | 54.27 ± 3.28 | 54 | (43) | |
| Au(I)-AT-NTs/GCE | SWASV | HNO3 (0.1) | 0.5 nM | (44) | ||
| 3-NBBSH/GCE | I–V | PB (0.1) | 949.0 pA μM–1 cm–2 | 10.0 ± 1.0 pM | 100.0 pM ∼ 1.0 mM | this work |
a
SPCE, screen printed carbon electrode; SWASV, square-wave anodic stripping voltametry; SbF-CPE, antimony-coated carbon paste electrode; AuF-CPE, carbon paste electrode plated with a gold film; and DPASV, differential pulse anodic stripping voltametry.