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- Author or Editor: B. Spivakov x
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Abstract
The possibility of substoichiometric displacement in ion association systems of metal halogenide anions (chlorides and iodides) and extraction reagent cations is demonstrated. Tetrephenylarsonium halogenide, ternary amines and quaternary ammonium halogenides were used as extraction reagents. The method was applied to the determination of several impurities in aluminium by activation analysis.
Abstract
The distribution of lanthanides and actinides in a two-phase liquid system obtained by mixing an aqueous solution of poly(ethylene glycol) and ammonium sulfate has been studied as a function of pH. Conditions are reported which provide the heterogeneity of the system suggested. It is shown that thorium and plutonium can be separated from transplutonium elements and lanthanides. Conditions have been chosen for quantitative group extraction of actinides and lanthanides.
