The determination of rhenium in rocks by neutron-activation analysis |
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| Affiliation: | 1. Department of Earth and Environmental Sciences, Tulane University, New Orleans, LA 70118, United States of America;2. School for the Environment, University of Massachusetts, Boston, MA 02125, United States of America;3. Graduate School of Oceanography, University of Rhode Island, Narragansett, RI 02882, United States of America;4. Intercampus Marine Sciences Graduate Program, University of Massachusetts System, Boston, MA 02125, United States of America;1. Hebei Key Laboratory of Strategic Critical Mineral Resources, Hebei GEO University, Shijiazhuang 050031, China;2. College of Earth Sciences, Hebei GEO University, Shijiazhuang 050031, China;3. Hebei Province Collaborative Innovation Center for Strategic Critical Mineral Research, Hebei GEO University, China;4. State Key Laboratory of Isotope Geochemistry, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China;5. CAS Centre for Excellence in Deep Earth Science, Guangzhou 510640, China |
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| Abstract: | Neutron-activation analysis has been applied to the determination of rhenium in rocks. Samples of the powdered rocks together with standards were irradiated in the Harwell Pile BEPO. Rhenium was separated from the irradiated rocks by a radiochemical procedure, using carriers, precipitations and solvent extractions. Radiochemically pure 186Re was counted, and the chemical yield determined gravimetrically.Results for the rhenium contents of the standard rock samples G1 and W1 are reported. The ultimate sensitivity of the analytical method is ca. 5 × 10−5 ppm Re. |
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