Sossi, Paolo; Halverson, Galen P.; Nebel, Oliver; Eggins, Stephen M.
Isotope ratios of heavy elements vary on the 1/10000 level in high temperature materials, providing a fingerprint of the processes behind their origin. Ensuring that the measured isotope ratio is precise and accurate depends on employing an efficient chemical purification technique and optimised analytical protocols. Exploiting the disparate speciation of Cu, Fe and Zn in HCl and HNO3, an anion exchange chromatography procedure using AG1-×8 (200–400 mesh) and 0.4 × 7 cm Teflon columns was...[Show more]
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