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Preliminary Results from a New 157 nm Laser Ablation ICP‐MS Instrument: New Opportunities in the Analysis of Solid Samples
Author(s) -
Telouk Philippe,
RoseKoga Estelle F.,
Albarede Francis
Publication year - 2003
Publication title -
geostandards newsletter
Language(s) - English
Resource type - Journals
eISSN - 1751-908X
pISSN - 0150-5505
DOI - 10.1111/j.1751-908x.2003.tb00708.x
Subject(s) - laser ablation , analytical chemistry (journal) , materials science , ablation , laser , zircon , mass spectrometry , inductively coupled plasma , inductively coupled plasma mass spectrometry , plasma , chemistry , optics , geology , physics , environmental chemistry , chromatography , geochemistry , nuclear physics , engineering , aerospace engineering
Preliminary results are given from an excimer 157 nm laser ablation multiple‐collector inductively coupled plasma‐mass spectrometer (LA‐MC‐ICP‐MS), used for the isotopic measurements of solid materials. Elements of geological interest with different volatilities such as Pb and U (e.g. zircon geochronology) and Cu and Zn (as examples of geochemical/biochemical tracers) were analysed. The range of ablation rates of 20‐150 nm s ‐1 enabled us to ablate the sample down to a depth of 45 μm for a 50 μm diameter pit. The Cu and Zn isotopic measurements gave values that were very stable with, on average, a 0.01 % standard error, comparable with that achieved in liquid mode measurements.