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Development of a flow manifold for Fe(III) ion determination with a fluoride ion-selective electrode


Bralić, Marija; Brinić, Slobodan; Generalić, Eni; Vrsalović, Ladislav
Development of a flow manifold for Fe(III) ion determination with a fluoride ion-selective electrode // Talanta, 63 (2004), 3; 777-783 (međunarodna recenzija, članak, znanstveni)


Naslov
Development of a flow manifold for Fe(III) ion determination with a fluoride ion-selective electrode

Autori
Bralić, Marija ; Brinić, Slobodan ; Generalić, Eni ; Vrsalović, Ladislav

Izvornik
Talanta (0039-9140) 63 (2004), 3; 777-783

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
Iron; Fluoride ion-selective electrode; Flow injection; Continuous analysis; Potentiometry

Sažetak
Continuous-flow (CF) and flow-injection (FI) analysis using the fluoride ion-selective electrode (FISE) as detector have been investigated. The measurements were performed in a home-made cell under appropriate flow conditions (2.86 or 3.45 ml min-1, 0.2 ml samples, 10-6 M sodium fluoride). The calibration graph was obtained by plotting the signal height versus concentration of iron in the range of Fe(III) concentration from 10-5 to 10-1 M in acetate buffer (pH 2.8 or 3.4). In all described procedures, the range of linear response extends to the Fe(III) concentration from 1×10-3 to 1×10-1 M, with detection limit 9×10-5 M. The effect of double-line, two-line flow manifold and CF was investigated and discussed.

Izvorni jezik
Engleski

Znanstvena područja
Kemija



POVEZANOST RADA


Projekt / tema
0011005
0011011

Ustanove
Kemijsko-tehnološki fakultet, Split

Časopis indeksira:


  • Current Contents Connect (CCC)
  • Web of Science Core Collection (WoSCC)
    • Science Citation Index Expanded (SCI-EXP)
    • SCI-EXP, SSCI i/ili A&HCI
  • Scopus