On-line analysis of mercury by sequential injection stripping analysis (SISA) using a chemically modified electrode

  • Iva Turyan
  • , Thomas Erichsen
  • , Wolfgang Schuhmann D
  • , Daniel Mandler*
  • *Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

18 Scopus citations

Abstract

A highly flexible, automatic sequential-injection stripping analysis (SISA) system has been developed and applied for monitoring the levels of mercury in aqueous solutions using a chemically modified electrode. The preparation of the modified electrode comprises spin coating of an ethanolic solution of poly(4-vinylpyridine) and Kryptofix-222 onto a glassy carbon electrode (GCE) followed by cross-linking the polymer. The analysis is based on the anodic stripping voltammetry of mercury using differential pulse voltammetry. A sequence of 36 operations was needed to complete a full cycle of cleaning, calibration and analysis.

Original languageEnglish
Pages (from-to)79-82
Number of pages4
JournalElectroanalysis
Volume13
Issue number1
DOIs
StatePublished - 2001

Keywords

  • Anodic stripping voltammetry
  • Mercury
  • Sequential-injection analysis

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