Preliminary results from a new 157 nm laser ablation ICP-MS instrument: New opportunities in the analysis of solid samples

被引：22

作者：

Telouk, P ^{[1
]}

Rose-Koga, EF ^{[1
]}

Albarede, F ^{[1
]}

机构：

[1] Ecole Normale Super Lyon, Lab Sci Terre, F-69364 Lyon 07, France

来源：

GEOSTANDARDS NEWSLETTER-THE JOURNAL OF GEOSTANDARDS AND GEOANALYSIS | 2003年 / 27卷 / 01期

关键词：

laser ablation; ICP-MS; 157; nm; excimer; elemental fractionation; NIST SRM 610; 612;

D O I：

10.1111/j.1751-908X.2003.tb00708.x

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

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 mum for a 50 mum 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.

引用

页码：5 / 11

页数：7

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