New method for the measurement of osmium isotopes applied to a New Zealand Cretaceous/Tertiary boundary shale

Details New method for the measurement of osmium isotopes applied to a New Zealand Cretaceous/Tertiary boundary shale New method for the measurement of osmium isotopes applied to a New Zealand Cretaceous/Tertiary boundary shale

Aug 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986natur.322..816l&link_type=abstract

Nature (ISSN 0028-0836), vol. 322, Aug. 28, 1986, p. 816, 817.

Mathematics

Logic

14

Geochemistry, Geochronology, Mass Spectroscopy, New Zealand, Osmium Isotopes, Shales, Geology, Meteoritic Damage, Neutron Activation Analysis

Scientific paper

A new and simple method for measuring osmium in geological materials is reported. This method involves fusion of the sample with sodium peroxide, distillation of the osmium as the tetroxide using perchloric acid, extraction into chloroform, and absorption of the chloroform extract onto graphite powder before instrumental neutron activation analysis. This method has been used on the Woodside Creek Cretaceous/Tertiary boundary clay, obtaining the first osmium content for this material.

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