Title
Fast steel-cleanness characterization by means of laser-assisted plasma spectrometric methods
Author
Faculty/Department
Faculty of Sciences. Chemistry
Publication type
article
Publication
Oxford :Pergamon ,
Subject
Chemistry
Source (journal)
Talanta : the international journal of pure and applied analytical chemistry. - Oxford, 1958, currens
Source (book)
34th Colloquium Spectroscopicum Internationale, SEP 04-09, 2005, Univ Antwerp, Antwerp, BELGIUM
Volume/pages
70(2006) :5 , p. 991-995
ISSN
0039-9140
1873-3573
ISI
000242871900015
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
Laser-assisted plasma spectrometry is a palette of analytical techniques (L-OES, LA-ICP-MS) capable of fast spatially-resolved elemental analysis in the micrometer range. For fast estimation of the occurrence in steel samples of non-metallic inclusions, which degrade the material's technical properties, simultaneous OES detection and sequential ICP-MS detection were compared. Histograms were obtained for the intensity distribution of the acquired signals (laser pulse statistics). The skewness coefficient of the histograms for Al (indicator of non-metallic inclusions) was found to be clearly dependent on the fraction of non-metallic inclusions in the case of scanning L-OES. For LA-ICP-MS less clear dependence was observed, which was influenced by the acquisition characteristics. In fact, less measurement throughput limited for LA-ICP-MS the counting statistics to an extent that overrides the benefit of higher detection power as compared to L-OES. (c) 2006 Elsevier B.V. All rights reserved.
E-info
https://repository.uantwerpen.be/docman/iruaauth/36b25b/9645772.pdf
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