Isotope Dilution and the Use of Spikes

4,932 views · Published 27 September 2018 · 2:17 · Indexed 1 November 2026

Channel: GIA (Gemological Institute of America) · 2018 · Education

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This sequence of videos starts with Dr. Shirey weighing the sulfide inclusion recovered from the diamond. Next, he takes us through the chemistry necessary to separate the radiogenic isotopes of osmium and rhenium from the inclusion for age dating.    
View the full article at http://www.gia.edu/gia-news-research-tiny-inclusions-reveal-diamond-age

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