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Novel applications of dipicrylamine as an extractant in the determination of alkali metals

✍ Scribed by M. Kyrš; J. Rais; P. Selucký

Book ID
118990783
Publisher
Elsevier Science
Year
1969
Tongue
English
Weight
544 KB
Volume
16
Category
Article
ISSN
0039-9140

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## Abstract Dipicrylamine anion (DPA^–^) precipitates out [K(DPA)] with high selectivity from salt bitterns containing Na^+^, K^+^, and Mg^2+^, whereas the same ligand shows poor selectivity towards K^+^ – and much higher selectivity towards Cs^+^ – in studies conducted with a mixture of K^+^, Rb^+