A note on successive complexometric determination of thorium and rare earths |
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| Authors: | Pribil R Veselý V |
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| Institution: | Analytical Laboratory J. Heyrovsky Polarographic Institute Czechoslovak Academy of Sciences Prague 1, Jilská 16, Czechoslovakia. |
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| Abstract: | An improved method for successive determination of thorium and rare earths is described. It is based on the EDTA titration of thorium at pH 2 (Xylenol Orange as indicator) followed by addition of acetylacetone-acetone mixture, adjustment of the pH to 5-5.5 with hexamine, and by further EDTA titration of rare earths with the same indicator. |
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