Application of 7N In as secondary cathode for the direct current‐glow discharge mass spectrometry analysis of solid, fused high‐purity quartz

Direct current glow discharge mass spectrometry with an indium‐based secondary cathode technique is used to analyze solid, nonconducting, fused high‐purity quartz regarding metallic impurities of relevance to the solar industry. Details of the analytical routines are presented. In this work, the sec...

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Bibliographic Details
Published in:Journal of mass spectrometry. 2021-08, Vol.56 (8), p.e4771-n/a
Main Authors: Busam, Jochen, Stokkan, Gaute, Muggerud, Astrid Marie F., Di Sabatino, Marisa
Format: Article
Language:English
Subjects:
Cathodes
Design optimization
Detection limits
Direct current
direct current glow discharge mass spectrometry
Glow discharges
Impurities
Indium
Mass spectrometry
Mass spectroscopy
Purity
Quartz
Scientific imaging
secondary cathode
silica
Spectroscopy
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Summary:Direct current glow discharge mass spectrometry with an indium‐based secondary cathode technique is used to analyze solid, nonconducting, fused high‐purity quartz regarding metallic impurities of relevance to the solar industry. Details of the analytical routines are presented. In this work, the secondary cathode design and glow discharge conditions are optimized beyond the commonly applied practices. In addition, relative sensitivity factors (RSFs) for these optimized conditions are established and compared to previously published results. The results indicate that the technique enables stable measurements with detection limits down to the part per billion (ppb) range.
ISSN:1076-5174
1096-9888
DOI:10.1002/jms.4771