Table 6.
Analytical characteristics of electrochemical sensors for mercury determination in water, published between 2007 and 2009.
Method | Tested sample | LoD (μg/L) | RSD (%) | Ref. |
---|---|---|---|---|
DPASV on Boron-doped diamond like carbon electrode | Standard pH 1 | 0.002 | 10 | [112] |
DPASV on screen-printed carbon paste microelectrode chip | Standard solutions | 0.03 | nr | [113] |
Amperometric measure of ammonia from urease on rhodinized carbon electrode | Standards | 0.1 | nr | [38] |
DPSV on labeled DNA gold nanoparticles | Tap & river waters | 0.1 | 4 | [111] |
Cyclic voltammetry on invertase-glucose oxidase modified Pt electrode (inhibition) | Spiked waters | 2 | nr | [53] |
Field Effect Transistor on single walled carbon nanotube sensor | Standards | 2 | nr | [114] |
Potentiometry on 2-amino-6-purinethiol or 5-amino-1,3,4-thiadiazole-2-thiol/PVC membrane | Natural waters | 8.8 | 3 | [115] |
SWASV on 2-aminothiazole modified carbon paste electrode | Tap & waste waters | 12 | 10 | [116] |
Potentiometry on substituted thiourae-functionalized nanopourous silica | Wastewater | 14 | 4.5 | [117] |
DPSV on labeled DNA with a ferrocene on a gold electrode surface | Buffers | 20 | nr | [118] |
Potentiometry on bis(benzoyl acetone) diethylene triamine/PVC membrane | Natural & waste waters | 20 | 0.5 | [119] |
Potentiometry on salophen modified carbon paste electrode | Natural waters | 30 | 0.8 | [120] |
LASV on Nitrogen doped tetrahedral amorphous carbon thin films/silicone | Standard pH 1 | 200 | nr | [121] |
ASV on chitosan modified carbon paste electrode | Spiked waters | 130 | 5 | [122] |
Chrono-amperometry on glucose oxidase in poly-o-phenylenediamine film (inhibition) | Standard | 500 | 6 | [123] |
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.