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Disposable injection molded conductive electrodes modified with antimony film for the electrochemical determination of trace pb(II) and cd(II)

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Disposable injection molded conductive electrodes modified with antimony film for the electrochemical determination of trace pb(II) and cd(II). / Christidi, S.; Chrysostomou, A.; Economou, A.; Kokkinos, C.; Fielden, P.R.; Baldock, S.J.; Goddard, N.J.

In: Sensors, Vol. 19, No. 21, 4809, 05.11.2019.

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Christidi, S. ; Chrysostomou, A. ; Economou, A. ; Kokkinos, C. ; Fielden, P.R. ; Baldock, S.J. ; Goddard, N.J. / Disposable injection molded conductive electrodes modified with antimony film for the electrochemical determination of trace pb(II) and cd(II). In: Sensors. 2019 ; Vol. 19, No. 21.

Bibtex

@article{96f24825cc714d259249b11a84c9939a,
title = "Disposable injection molded conductive electrodes modified with antimony film for the electrochemical determination of trace pb(II) and cd(II)",
abstract = "This work describes a novel electrochemical sensor fabricated by an injection molding process. This device features a conductive polymer electrode encased in a plastic holder and electroplated in situ with a thin antimony film. The antimony film sensor was applied to the determination of Pb(II) and Cd(II) by anodic stripping voltammetry (ASV). The deposition of Sb on the sensor was studied by cyclic voltammetry (CV) and microscopy. The experimental variables (concentration of the antimony plating solution, deposition potential and time, stripping waveform) were investigated, and the potential interferences were studied and addressed. The limits of detection were 0.95 μg L−1 for Pb(II) and 1.3 for Cd(II) (at 240 s of preconcentration) and the within-sensor percentage relative standard deviations were 4.2% and 4.9%, respectively, at the 25 μg L−1 level (n = 8). Finally, the sensor was applied to the determination of Pb(II) and Cd(II) in a phosphorite sample and a lake water sample.",
keywords = "injection molding, antimony film, electrode, stripping voltammetry, Cd(II), Pb(II)",
author = "S. Christidi and A. Chrysostomou and A. Economou and C. Kokkinos and P.R. Fielden and S.J. Baldock and N.J. Goddard",
year = "2019",
month = nov,
day = "5",
doi = "10.3390/s19214809",
language = "English",
volume = "19",
journal = "Sensors",
issn = "1424-8220",
publisher = "Multidisciplinary Digital Publishing Institute (MDPI)",
number = "21",

}

RIS

TY - JOUR

T1 - Disposable injection molded conductive electrodes modified with antimony film for the electrochemical determination of trace pb(II) and cd(II)

AU - Christidi, S.

AU - Chrysostomou, A.

AU - Economou, A.

AU - Kokkinos, C.

AU - Fielden, P.R.

AU - Baldock, S.J.

AU - Goddard, N.J.

PY - 2019/11/5

Y1 - 2019/11/5

N2 - This work describes a novel electrochemical sensor fabricated by an injection molding process. This device features a conductive polymer electrode encased in a plastic holder and electroplated in situ with a thin antimony film. The antimony film sensor was applied to the determination of Pb(II) and Cd(II) by anodic stripping voltammetry (ASV). The deposition of Sb on the sensor was studied by cyclic voltammetry (CV) and microscopy. The experimental variables (concentration of the antimony plating solution, deposition potential and time, stripping waveform) were investigated, and the potential interferences were studied and addressed. The limits of detection were 0.95 μg L−1 for Pb(II) and 1.3 for Cd(II) (at 240 s of preconcentration) and the within-sensor percentage relative standard deviations were 4.2% and 4.9%, respectively, at the 25 μg L−1 level (n = 8). Finally, the sensor was applied to the determination of Pb(II) and Cd(II) in a phosphorite sample and a lake water sample.

AB - This work describes a novel electrochemical sensor fabricated by an injection molding process. This device features a conductive polymer electrode encased in a plastic holder and electroplated in situ with a thin antimony film. The antimony film sensor was applied to the determination of Pb(II) and Cd(II) by anodic stripping voltammetry (ASV). The deposition of Sb on the sensor was studied by cyclic voltammetry (CV) and microscopy. The experimental variables (concentration of the antimony plating solution, deposition potential and time, stripping waveform) were investigated, and the potential interferences were studied and addressed. The limits of detection were 0.95 μg L−1 for Pb(II) and 1.3 for Cd(II) (at 240 s of preconcentration) and the within-sensor percentage relative standard deviations were 4.2% and 4.9%, respectively, at the 25 μg L−1 level (n = 8). Finally, the sensor was applied to the determination of Pb(II) and Cd(II) in a phosphorite sample and a lake water sample.

KW - injection molding

KW - antimony film

KW - electrode

KW - stripping voltammetry

KW - Cd(II)

KW - Pb(II)

U2 - 10.3390/s19214809

DO - 10.3390/s19214809

M3 - Journal article

VL - 19

JO - Sensors

JF - Sensors

SN - 1424-8220

IS - 21

M1 - 4809

ER -