Table 7.
Analytical characteristics of sensors for nickel determination in water published between 2007 and 2009.
| Method | Tested sample | LoD (μg/L) | RSD (%) | Ref. |
|---|---|---|---|---|
| SWASV on bismuth-film electrode after complexation with dimethylglyoxime | River water | 0.1 | 2.3 | [124] |
| DPASV on carbon screen-printed micro-electrode chip | Acetate buffer | 0.5 | nr | [113] |
| Conductometric measurement of alkaline phosphatase activity of the microalgae Chlorella vulgaris on two gold interdigitated electrodes | Wastewater | 1 | nr | [42] |
| Colorimetry (ratio 540 nm/396 nm) of glutathione-stabilized silver nanoparticles | Standard | 600 | nr | [125] |
| Conductometric measurement of alkaline phosphatase activity in enzyme membrane on gold interdigitated electrodes | Tris-nitrate buffer | 5,000 | 4 | [62] |
| Nine cross-reactive sensing fluorescent elements on micro-plate & data processed by pattern recognition | Mineral waters | 6,000 | nr | [65] |
*
LoD: Limit of Detection; RSD: Relative Standard Deviation; nr: not reported; DPASV: Differential Pulse Anodic Stripping Voltammetry; SWASV: Square-Wave Anodic Stripping Voltammetry; LSASV: linear-scan anodic stripping voltammetry.