Title
The preparation and preliminary characterisation of eight geological MPI-DING reference glasses for in-site microanalysis The preparation and preliminary characterisation of eight geological MPI-DING reference glasses for in-site microanalysis
Author
Faculty/Department
Faculty of Sciences. Chemistry
Publication type
article
Publication
Paris ,
Subject
Physics
Source (journal)
Geostandards newsletter. - Paris
Volume/pages
24(2000) :1 , p. 87-133
ISSN
0150-5505
ISI
000088900000010
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
Eight silicate glasses were prepared by directly fusing and stirring 50-100 g each of basalt, andesite, komatiite, peridotite, rhyolite, and quartz-diorite. These are referred to as MPI-DING glasses and were made for the purpose of providing reference materials for geochemical, in-situ microanalytical work. Results from various analytical techniques indicate that individual glass fragments are well homogenised with respect to major and trace elements at the mu m to mm scale. Heterogeneities due to quench crystallisation of olivine have been observed in small and limited areas of the two komatiitic glasses. In order to obtain concentration values for as many elements as possible, the glasses were analysed by a variety of bulk and microanalytical methods in a number of laboratories. From the analytical data, preliminary reference values for more than sixty elements were calculated. The analytical uncertainties of most elements are estimated to be between 1% and 10%.
E-info
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