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Technical Note
J. Anal. At. Spectrom., 2009, 24, 1570 - 1574, DOI: 10.1039/b903251g
Elemental analysis of copper and magnesium alloy samples using IR-laser ablation in comparison with spark and glow discharge methods
Julia Wienold, Heike Traub, Britta Lange, Thorsten Giray, Sebastian Recknagel, Heinrich Kipphardt, Ralf Matschat and Ulrich Panne
Three methods for direct solid sampling of bulk material namely IR laser ablation, glow discharge and spark OES, were compared with respect to analytical figures of merit obtained for elemental analysis with atomic spectrometry. Matrices investigated were copper, pressed doped copper powder, and magnesium alloys. For the vast majority of analytes, statistical equivalence regarding precision (usually
5%) and the performance of the calibrations between the compared methods was demonstrated.
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