Microbeam AMS measurements of PGE and Au trace and osmium isotopic ratios

Details Microbeam AMS measurements of PGE and Au trace and osmium isotopic ratios Microbeam AMS measurements of PGE and Au trace and osmium isotopic ratios

Jul 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001aipc..576..399s&link_type=abstract

The CAARI 2000: Sixteenth international conference on the application of accelerators in research and industry. AIP Conference

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Mass Spectrometry, Activation Analysis And Other Radiochemical Methods, Mass Spectrometers, Electrostatic, Collective, And Linear Accelerators

Scientific paper

The microbeam Accelerator Mass Spectrometry (AMS) system, AUSTRALIS (AMS for Ultra Sensitive TRAce eLement and Isotopic Studies) at CSIRO Heavy Ion Analytical Facility (HIAF) has been used to measure trace levels of precious metals, the platinum group elements (PGE) and Au, from an assortment of geological and meteoritic samples with spatial resolution of 30 micrometres. For Au, detection sensitivity as low as sub parts per billion has been obtained, which will be of great benefit in studies of ore deposit mineralogy and mineral processing. We have also demonstrated the facility for osmium isotope measurements in meteorite samples, opening up the possibility of widespread use of the Re-Os system in exploration programs. .

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