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  • 1 Southwest Institute of Nuclear Physics and Chemistry P.O. Box 515-25 610 003 Chengdu (PR China)
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A method for neutron activation determination of rhenium in rocks has been developed. Fusion with potassium hydroxide containing 15% water in a Teflon beaker was used in decomposition of irradiated samples. The purification procedure is given. Rhenium in the rocks is in the range of 1-10 ng/g.