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KMID : 1059519950390050399
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Journal of the Korean Chemical Society
1995 Volume.39 No. 5 p.399 ~ p.407
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A Study on Air Emission Spectra Observed by Using Electrothermal-Hollow Cathode Glow Discharge Spectrometry (Et-HCGDS)
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Lee Sang-Chun
Shin Jeong-Sook
Kang Mi-Ra
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Abstract
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Electrothermal-Hollow Cathode Glow Discharge Spectrometry (Et-HCGDS) has been constructed in our laboratory for in-situ monitoring of traceble amounts of rare earth elements and actinides. Et-HCGDS is the portable glow discharge system that can perform the trace analysis of elements. The main structural design of Et-HCGDS was based upon the electrothermal heating and glow discharge techniques. More details on Et-HCGDS are available elsewhere. In this study, air was used as a flow gas for the glow discharge system. As a result, the emission spectra of air were collected and the assignment of air emission lines was performed with helps of pure nitrogen and oxygen emission spectra and previously published results. We found that the emission lines of air plasma were mainly due to nitrogen molecules. This paper includes the complete assignments of the air emission lines observed by using Et-HCGDS. Also, this study will be an useful reference for spectrochemical anaysis including air analysis.
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