Development of a Coherent Forward Scattering Resonance Monochromator for the Rejection of Continuum Background and Neighboring Lines in Emission Spectra

Hideyuki Matsuta, Kichinosuke Hirokawa

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)

Abstract

Optimum operating conditions of a coherent forward scattering resonance monochromator (CFSRM), such as applied magnetic field strength, pulse duration, and peak current of pulsed glow discharge atomizatlon, were studied. Correction of performance-limiting factors, such as leakage of the crossed polarizer and analyzer, was tried by two different methods. One used the time dependence of atomic vapor density produced by pulsed glow discharge atomizatlon and the other used magnetic field modulation. In the present apparatus, the method using time dependence of atomic vapor density was superior. Experiments to obtain the rejection of continuum background and neighboring lines of copper resonance lines (324.8 and 327.4 nm) in emission spectra were performed, and satisfactory results were obtained.

Original languageEnglish
Pages (from-to)1747-1754
Number of pages8
JournalAnalytical Chemistry
Volume63
Issue number17
DOIs
Publication statusPublished - 1991 Sep 1

ASJC Scopus subject areas

  • Analytical Chemistry

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