Tubular Detector of Silver Solid Amalgam for Electrochemical Measurements in Flow Systems

Oksana Yosypchuk, Jiri Barek, Bogdan Yosypchuk

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

This paper presents the application of the tubular detector based on silver solid amalgam (TD-AgSA) for electrochemical determinations of reducible inorganic (Cd2+, Zn2+) and organic (4-nitrophenol) compounds under flow injection analysis conditions. The newly developed TD-AgSA is simple, robust and inexpensive. The limits of detections of Zn2+, Cd2+ and 4-nitrophenol are 1.4×10-6, 7.0×10-7, and 5.0×10-7moldm-3, respectively (i.e. 0.09, 0.08 and 0.07ppm). The obtained results proved the long-term stability of the detector (RSD of the determination of Zn2+, Cd2+, and 4-nitrophenol were 0.8, 0.9 and 0.8% (n=10; cZn=7.7×10-5moldm-3, cCd=4.5×10-5moldm-3 and c4-NPh=3.6×10-5moldm-3), respectively and its applicability for cathodic measurements in aqueous solutions at potentials up to -2V.

Original languageEnglish
Pages (from-to)2230-2234
Number of pages5
JournalElectroanalysis
Volume24
Issue number12
DOIs
Publication statusPublished - 1 Dec 2012
Externally publishedYes

Fingerprint

Mercury amalgams
Silver
Detectors
4-nitrophenol
Nitrophenols

Keywords

  • Flow injection analysis
  • Silver solid amalgam
  • Tubular detector

ASJC Scopus subject areas

  • Analytical Chemistry
  • Electrochemistry

Cite this

Tubular Detector of Silver Solid Amalgam for Electrochemical Measurements in Flow Systems. / Yosypchuk, Oksana; Barek, Jiri; Yosypchuk, Bogdan.

In: Electroanalysis, Vol. 24, No. 12, 01.12.2012, p. 2230-2234.

Research output: Contribution to journalArticle

Yosypchuk, Oksana ; Barek, Jiri ; Yosypchuk, Bogdan. / Tubular Detector of Silver Solid Amalgam for Electrochemical Measurements in Flow Systems. In: Electroanalysis. 2012 ; Vol. 24, No. 12. pp. 2230-2234.
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