Accelerator mass spectrometry for heavy isotopes at Oxford (OSIRIS)

Details Accelerator mass spectrometry for heavy isotopes at Oxford (OSIRIS) Accelerator mass spectrometry for heavy isotopes at Oxford (OSIRIS)

Nov 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984nimpb...5..179c&link_type=abstract

Nuclear Instruments and Methods in Physics Research Section B, Volume 5, Issue 2, p. 179-184.

Physics

Scientific paper

The isotopic ratios 194Pt/195Pt/196Pt and 193Ir/194Pt/195Pt have been measured for samples from the Cretaceous-Tertiary boundary at Stevns Klint, Dania, Nye Kløv in Denmark and at Hor Har Har in Israel, for iron meteorites Odessa and Buenaventura and for the carbonaceous chondrite Allende. Determination of the indium ratio 193/191 in a standard and in a sample from the Cretaceous-Tertiary boundary at Stevns Klint has also been made. Preliminary measurements of the ratio 188Os/189Os in laboratory prepared Os samples (abundance approximately 10 ppm), in the Odessa and Allende meteorites and in the Stevns Klint Cretaceous-Tertiary boundary have been carried out. An anomalous abundance of 193Ir, 194Pt, 195Pt and 189Os at the Cretaceous-Tertiary boundary at Stevns Klint has also been established.

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