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Journal

2007 | 5 | 2 | 479-495

Article title

Proposal for a mercury isolation procedure using cold vapor method in combination with voltammetric determination using a rotating gold electrode

Content

Title variants

Languages of publication

EN

Abstracts

EN
The optimal process of pre-treatment and activation of gold rotating disc electrode (AuRDE) before voltammetric determination of mercury is proposed. This treatment encompasses polishing of the electrode surface, electrochemical cycling, and activation. This procedure both increases determination sensitivity as well as improves determination reproducibility. The detection limit on the working electrode achieved using this approach amounted to 8.26·10−10 mol L−1for direct mercury determination in water solution (applying 200 s running accumulation). The procedure of the quantitative mercury isolation from complicated sample matrix was developed as well. It provides better selectivity and significant increase of sensitivity of mercury determination. In case of mercury isolation from one liter of water the detection limit is 6.23·10−11 mol L−1 (analyzing a greater sample volume the determined concentration could be lower). [...]

Publisher

Journal

Year

Volume

5

Issue

2

Pages

479-495

Physical description

Dates

published
1 - 6 - 2007
online
26 - 1 - 2007

Contributors

  • Department of Environment Protection, University of Pardubice, Doubravice 41, 533 53, Pardubice, Czech Republic
  • Department of Environment Protection, University of Pardubice, Doubravice 41, 533 53, Pardubice, Czech Republic
  • Department of Environment Protection, University of Pardubice, Doubravice 41, 533 53, Pardubice, Czech Republic

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Document Type

Publication order reference

Identifiers

YADDA identifier

bwmeta1.element.-psjd-doi-10_2478_s11532-007-0009-9
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