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Analytical developments in secondary ion mass spectrometry 2003

Urheber*innen

Deloule,  E.
External Organizations (TEMPORARY!);

/persons/resource/michawi

Wiedenbeck,  Michael
3.1 Inorganic and Isotope Geochemistry, 3.0 Geochemistry, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;

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Zitation

Deloule, E., Wiedenbeck, M. (2005): Analytical developments in secondary ion mass spectrometry 2003. - Geostandards and Geoanalytical Research, 29, 1, 37-40.
https://doi.org/10.1111/j.1751-908X.2005.tb00653.x


Zitierlink: https://gfzpublic.gfz-potsdam.de/pubman/item/item_2253904
Zusammenfassung
This annual review of secondary ion mass spectrometry (SIMS) highlights significant progress in the application of the technology for the following areas: U-Pb geochronology (notably in the fields of reference material zircons), sources of uncertainty during analysis and secondary ion yields. Major publications introduced a new zircon reference sample and dealt with an intercomparison study of a suite of established calibrators, some of which have been shown to have certain limitations. Another publication claimed that the principal uncertainty in U-Pb dating is related to variations in the Pb and U relative emission yields over a complete analytical session. 2003 saw the introduction of an automated particle identification procedure applied to the analysis of a chondritic meteorite, as well as new geometries of SIMS hardware (NanoSIMS) and techniques (time-of-flight SIMS). NanoSIMS allows a two to three order of magnitude reduction in sampling volume as a result of a reduced beam diameter, and time-of-flight SIMS allows the study of sample surfaces, and can provide data for elements concurrently.