Stabilization of the spark-discharge point on a sample surface by laser irradiation for steel analysis

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4 Citations (Scopus)

Abstract

A combined technique with laser irradiation is suggested to control spark discharge for analytical use, having a unique feature that firing points of the spark discharge can be fixed by laser irradiation. Because the spark discharge easily initiates at particular surface sites, such as non-metallic inclusions, called selective discharge, the concentration of some elements sometimes deviates from their average one in spark discharge optical emission spectrometry. Therefore, stabilization of firing points on a sample surface could improve the analytical precision. 2006

Original languageEnglish
Pages (from-to)1275-1277
Number of pages3
Journalanalytical sciences
Volume22
Issue number10
DOIs
Publication statusPublished - 2006 Oct

ASJC Scopus subject areas

  • Analytical Chemistry

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