Sensitive Detection of Trace Elements in Pure Water by Laser-Induced Atomic Fluorescence Spectroscopy in Microwave Discharge Atomization

Yuji Oki, Eiji Tashiro, Mitsuo Maeda, Chikahisa Honda, Yoshio Hasegawa, Hiroshi Futami, Jun Izumi, Keiichi Matsuda

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

Sensitive detection of trace elements in pure water using laser-induced fluorescence (LIF) spectroscopy with a new flameless atomizer is reported. The atomizer is a combination of a microwaveinduced plasma in atmospheric helium and a filament vaporization system. A newly developed pulsed dye laser, which was rapidly and automatically accessible over a wide spectral range from 220 to 740 nm, was used as the laser source. Sixteen elements were analyzed by this system, and for most of these, the detection limit was less than 1 ng/mL, which was better than those obtained by flame LIF analysis. The analytical curve and the saturation curve were measured for each element, and various factors which affect the detection sensitivity are theoretically discussed.

Original languageEnglish
Pages (from-to)2096-2101
Number of pages6
JournalAnalytical Chemistry
Volume65
Issue number15
DOIs
Publication statusPublished - Aug 1 1993

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Atomic spectroscopy
Fluorescence spectroscopy
Trace Elements
Atomization
Atomizers
Microwaves
Water
Lasers
Helium
Dye lasers
Pulsed lasers
Vaporization
Fluorescence
Plasmas

All Science Journal Classification (ASJC) codes

  • Analytical Chemistry

Cite this

Sensitive Detection of Trace Elements in Pure Water by Laser-Induced Atomic Fluorescence Spectroscopy in Microwave Discharge Atomization. / Oki, Yuji; Tashiro, Eiji; Maeda, Mitsuo; Honda, Chikahisa; Hasegawa, Yoshio; Futami, Hiroshi; Izumi, Jun; Matsuda, Keiichi.

In: Analytical Chemistry, Vol. 65, No. 15, 01.08.1993, p. 2096-2101.

Research output: Contribution to journalArticle

Oki, Yuji ; Tashiro, Eiji ; Maeda, Mitsuo ; Honda, Chikahisa ; Hasegawa, Yoshio ; Futami, Hiroshi ; Izumi, Jun ; Matsuda, Keiichi. / Sensitive Detection of Trace Elements in Pure Water by Laser-Induced Atomic Fluorescence Spectroscopy in Microwave Discharge Atomization. In: Analytical Chemistry. 1993 ; Vol. 65, No. 15. pp. 2096-2101.
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