Representative sampling using single-pulse laser ablation withinductively coupled plasma mass spectroscopy

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Single pulse laser ablation sampling with inductively coupled plasma mass spectrometry (ICP-MS) was assessed for accurate chemical analysis. Elemental fractionation (e.g. Pb/U), the quantity of ablated mass (crater volume), ICP-MS intensity and the particle contribution (spike signal) during single pulse ablation of NIST 610 glass were investigated. Pb/U fractionation significantly changed between the first and second laser pulse and showed strong irradiance dependence. The Pb/U ratio obtained by the first pulse was usually higher than that of the second pulse, with the average value close to the representative level. Segregation during laser ablation is proposed to explain the composition change ... continued below

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Liu, Haichen; Mao, Xianglei & Russo, Richard E. April 2, 2001.

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Single pulse laser ablation sampling with inductively coupled plasma mass spectrometry (ICP-MS) was assessed for accurate chemical analysis. Elemental fractionation (e.g. Pb/U), the quantity of ablated mass (crater volume), ICP-MS intensity and the particle contribution (spike signal) during single pulse ablation of NIST 610 glass were investigated. Pb/U fractionation significantly changed between the first and second laser pulse and showed strong irradiance dependence. The Pb/U ratio obtained by the first pulse was usually higher than that of the second pulse, with the average value close to the representative level. Segregation during laser ablation is proposed to explain the composition change between the first and second pulse. Crater volume measurements showed that the second pulse produced significantly more ablated mass. A roll-off of the crater depth occurred at {approx}750 GW/cm{sup 2}. The absolute ICP-MS intensity from the second pulse showed no correlation with crater depth. Particle induced spikes on the transit signal showed irradiance and elemental species dependence.

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  • Journal Name: Journal of Analytical Atomic Spectrometry; Journal Volume: 16; Journal Issue: 10; Related Information: Journal Publication Date: 2001

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  • Report No.: LBNL-48423
  • Grant Number: DE-AC02-05CH11231
  • Office of Scientific & Technical Information Report Number: 861113
  • Grant Number: 40073027
  • Archival Resource Key: ark:/67531/metadc777525

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  • April 2, 2001

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  • Dec. 3, 2015, 9:30 a.m.

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  • July 26, 2016, 3:33 p.m.

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Liu, Haichen; Mao, Xianglei & Russo, Richard E. Representative sampling using single-pulse laser ablation withinductively coupled plasma mass spectroscopy, article, April 2, 2001; Berkeley, California. (digital.library.unt.edu/ark:/67531/metadc777525/: accessed August 23, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.