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  • 1 Mendeleev Institute of Chemical Technology Moscow Russian Federation
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Radiometric correction and interpolation methods have been worked out for rhenium determination with extraction of the tetraphenylphosphonium complex into dichloroethane. Liquid scintillation counting was used. The method allows to determine from 1 to 100 g of rhenium(VII) in analyzed probe. The relative standard deviation is 0.05–0.09 over the whole concentration range.