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Determination of Copper in Wine by Anodic Stripping Voltammetry with Rotating Glassy Carbon and Microfiber Carbon Electrode

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2017
2552.pdf (11.31Mb)
Authors
Suznjevic, Desanka Z.
Pastor, Ferenc
Gorjanović, Stanislava
Article (Published version)
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Abstract
Anodic stripping voltammetry (ASV) with rotating glassy carbon electrode (RGCE) and microfiber carbon electrode (mu FCE), both filmed with mercury, were used to determine copper content in wine. Influence of phenolics on in situ mercury film formation was studied. Wine and quercetin were added gradually into solution of Hg(II) in acetic acid-sodium acetate buffer (pH = 4.60). Reduction of Hg(II) was observed in both cases. In situ filmed electrode was found unsuitable. Results obtained using ex situ filmed RGCE and mu FCE were found in good agreement with ASV using hanging mercury drop electrode. Thus, ASV with ex situ mercury filmed electrodes can be recommended for accurate quantification of copper in complex samples containing phenolics, without any special pretreatments.
Keywords:
anodic stripping voltammetry / glassy carbon electrode / carbon microfiber electrode / mercury film electrode / wine / copper
Source:
Croatica Chemica Acta, 2017, 90, 2, 353-357
Publisher:
  • Croatian Chemical Soc, Zagreb

DOI: 10.5562/cca3178

ISSN: 0011-1643

WoS: 000416047000029

Scopus: 2-s2.0-85040364208
[ Google Scholar ]
URI
https://cherry.chem.bg.ac.rs/handle/123456789/2554
Collections
  • Publikacije
Institution/Community
Hemijski fakultet
TY  - JOUR
AU  - Suznjevic, Desanka Z.
AU  - Pastor, Ferenc
AU  - Gorjanović, Stanislava
PY  - 2017
UR  - https://cherry.chem.bg.ac.rs/handle/123456789/2554
AB  - Anodic stripping voltammetry (ASV) with rotating glassy carbon electrode (RGCE) and microfiber carbon electrode (mu FCE), both filmed with mercury, were used to determine copper content in wine. Influence of phenolics on in situ mercury film formation was studied. Wine and quercetin were added gradually into solution of Hg(II) in acetic acid-sodium acetate buffer (pH = 4.60). Reduction of Hg(II) was observed in both cases. In situ filmed electrode was found unsuitable. Results obtained using ex situ filmed RGCE and mu FCE were found in good agreement with ASV using hanging mercury drop electrode. Thus, ASV with ex situ mercury filmed electrodes can be recommended for accurate quantification of copper in complex samples containing phenolics, without any special pretreatments.
PB  - Croatian Chemical Soc, Zagreb
T2  - Croatica Chemica Acta
T1  - Determination of Copper in Wine by Anodic Stripping Voltammetry with Rotating Glassy Carbon and Microfiber Carbon Electrode
VL  - 90
IS  - 2
SP  - 353
EP  - 357
DO  - 10.5562/cca3178
UR  - Kon_3370
ER  - 
@article{
author = "Suznjevic, Desanka Z. and Pastor, Ferenc and Gorjanović, Stanislava",
year = "2017",
abstract = "Anodic stripping voltammetry (ASV) with rotating glassy carbon electrode (RGCE) and microfiber carbon electrode (mu FCE), both filmed with mercury, were used to determine copper content in wine. Influence of phenolics on in situ mercury film formation was studied. Wine and quercetin were added gradually into solution of Hg(II) in acetic acid-sodium acetate buffer (pH = 4.60). Reduction of Hg(II) was observed in both cases. In situ filmed electrode was found unsuitable. Results obtained using ex situ filmed RGCE and mu FCE were found in good agreement with ASV using hanging mercury drop electrode. Thus, ASV with ex situ mercury filmed electrodes can be recommended for accurate quantification of copper in complex samples containing phenolics, without any special pretreatments.",
publisher = "Croatian Chemical Soc, Zagreb",
journal = "Croatica Chemica Acta",
title = "Determination of Copper in Wine by Anodic Stripping Voltammetry with Rotating Glassy Carbon and Microfiber Carbon Electrode",
volume = "90",
number = "2",
pages = "353-357",
doi = "10.5562/cca3178",
url = "Kon_3370"
}
Suznjevic, D. Z., Pastor, F.,& Gorjanović, S.. (2017). Determination of Copper in Wine by Anodic Stripping Voltammetry with Rotating Glassy Carbon and Microfiber Carbon Electrode. in Croatica Chemica Acta
Croatian Chemical Soc, Zagreb., 90(2), 353-357.
https://doi.org/10.5562/cca3178
Kon_3370
Suznjevic DZ, Pastor F, Gorjanović S. Determination of Copper in Wine by Anodic Stripping Voltammetry with Rotating Glassy Carbon and Microfiber Carbon Electrode. in Croatica Chemica Acta. 2017;90(2):353-357.
doi:10.5562/cca3178
Kon_3370 .
Suznjevic, Desanka Z., Pastor, Ferenc, Gorjanović, Stanislava, "Determination of Copper in Wine by Anodic Stripping Voltammetry with Rotating Glassy Carbon and Microfiber Carbon Electrode" in Croatica Chemica Acta, 90, no. 2 (2017):353-357,
https://doi.org/10.5562/cca3178 .,
Kon_3370 .

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