期刊
ANALYTICAL AND BIOANALYTICAL CHEMISTRY
卷 385, 期 2, 页码 303-311出版社
SPRINGER HEIDELBERG
DOI: 10.1007/s00216-006-0323-7
关键词
laser-induced plasma spectroscopy; copper alloys; elemental analysis
Double-pulse laser-induced plasma spectroscopy (DP-LIPS) is applied to submerged targets to investigate its feasibility for elemental analysis. The role of experimental parameters, such as inter-pulse delay and detection time, has been discussed in terms of the dynamics of the laser-induced bubble produced by the first pulse and its confinement effect on the plasma produced by the second laser pulse. The analytical performance of this technique applied to targets in a water environment are discussed. The elemental analysis of submerged copper alloys by DP-LIPS has been compared with conventional (single-pulse) LIBS in air. Theoretical investigation of the plasma dynamics in water bubbles and open air has been performed.
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