Determination of aminonaphthalenes and aminobiphenyls by liquid chromatography with amperometric detection on diamond-film electrode

J. Cvačka, G. M. Swain, J. Barek, J. Zima

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

An amperometric detector with a diamond-film working electrode was tested for the determination of 1-aminonaphthalene and 2-aminobiphenyl by liquid chromatography. The noise, background current, signal stability, linearity of calibration curve and detection limits were compared with the parameters obtained using classic glassy carbon electrode. The signal of analytes was reproducible and stable at least for 8 h for both electrode materials. Calibration curves were linear in the whole range (10-7-10-4 mol.l-1) and the sensitivity was higher for the glassy carbon electrode. Both the background current and noise were substantially lower on the diamond-film electrode. As a result, the detection limits of analytes (1×10-7 mol.l-1 for both analytes) were 5-7 times lower for the diamond-film electrode.

Original languageEnglish
Pages (from-to)37-38
Number of pages2
JournalChemicke Listy
Volume96
Issue number1
Publication statusPublished - 1 Dec 2002
Externally publishedYes

Fingerprint

Diamond films
Liquid chromatography
Electrodes
Glassy carbon
1-Naphthylamine
Calibration
Detectors

ASJC Scopus subject areas

  • Chemistry(all)

Cite this

Determination of aminonaphthalenes and aminobiphenyls by liquid chromatography with amperometric detection on diamond-film electrode. / Cvačka, J.; Swain, G. M.; Barek, J.; Zima, J.

In: Chemicke Listy, Vol. 96, No. 1, 01.12.2002, p. 37-38.

Research output: Contribution to journalArticle

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