Microsecond-pulse glow discharge atomic emission |
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| Authors: | W. O. Walden Wei Hang B. W. Smith J. D. Winefordner W. W. Harrison |
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| Affiliation: | (1) Department of Chemistry, University of Florida, Gainesville, FL 32611, USA |
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| Abstract: | A microsecond pulsed glow discharge was produced with high pulse magnitude and small duty cycle. Time resolved emission and absorption spectroscopy was applied to study the processes of atomization, excitation and ionization in the glow discharge. Experimental results show that, without overheating the sample, the emission peak intensity is several orders greater than that obtained in the conventional dc mode. This implies that a much more intense plasma is generated during pulsed  on region. |
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