http://www.cnr.it/ontology/cnr/individuo/prodotto/ID29195
Determination of Li, Be and B at trace level with Laser Ablation - Inductively Coupled Plasma - Sector Field Mass Spectrometry. (Articolo in rivista)
- Type
- Label
- Determination of Li, Be and B at trace level with Laser Ablation - Inductively Coupled Plasma - Sector Field Mass Spectrometry. (Articolo in rivista) (literal)
- Anno
- 2005-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1111/j.1751-908X.2005.tb00893.x (literal)
- Alternative label
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Tiepolo M.; Zanetti A.; Vannucci R. (literal)
- Pagina inizio
- Pagina fine
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
- Rivista
- Note
- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- CNR, Ist Geosci & Georisorse, Sez Pavia, I-27100 Pavia, Italy
Univ Pavia, Dipartimento Sci Terra, I-27100 Pavia, Italy (literal)
- Titolo
- Determination of Li, Be and B at trace level with Laser Ablation - Inductively Coupled Plasma - Sector Field Mass Spectrometry. (literal)
- Abstract
- The analytical capabilities of laser ablation (LA)-ICP-AAS in determining Li, Be and B at trace levels in geological samples have been tested on a series of glass reference materials and natural samples. The LA-ICP-MS instrument used consisted of a sector-field ICP-MS coupled with a laser ablation microprobe operating at either 266 or 213 nm wavelength. Reference glasses from NIST (SRM 612, 614 and 616) and MPI-DING (KL2-G, MOB-G, StHs6/80-G, GOR128-G, GOR132-G, T1-G and ATHO-G) were selected to develop the analytical method and to assess the best instrumental configuration. A series of calcic amphiboles with different Li, Be and B concentrations were also analysed using both LA-ICP-MS and SIMS to test the applicability of the method to natural minerals. Results indicated that with a spot size of 40 mu m the agreement between measured and reference values of Li, Be and B is generally better than 10% for NIST SRM 612 and 20% for NIST SRM 614. Average reproducibility at the 2s level was 10% for Li, 20% for Be and 15% for B. Limits of detection were approximately 100 ng g(-1) for Be and B and 200 ng g(-1) for Li. These results were confirmed by analyses carried out on natural amphiboles and compared well in terms of precision and accuracy with those commonly achieved by SIMS. (literal)
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