The influence of thiourea on the cation-exchange behaviour of various elements in dilute nitric and hydrochloric acids

Cation-exchange distribution coefficients for 21 elements between the cation-exchange resin AG50W-X4 and dilute nitric and hydrochloric acid containing up to 2.0 M concentration of thiourea are presented. The ion-exchange behaviour of the elements and some possible separations are discussed. Four mu...

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Veröffentlicht in:	Talanta (Oxford) 1986-06, Vol.33 (6), p.481-487
Hauptverfasser:	-Siegfried, C.H., Weinert, W., Strelow, Franz W.E., Böhmer, Reinhard G.
Format:	Artikel
Sprache:	eng
Schlagworte:	Analytical chemistry Chemical and thermal methods Chemistry Exact sciences and technology
Online-Zugang:	Volltext
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Zusammenfassung:	Cation-exchange distribution coefficients for 21 elements between the cation-exchange resin AG50W-X4 and dilute nitric and hydrochloric acid containing up to 2.0 M concentration of thiourea are presented. The ion-exchange behaviour of the elements and some possible separations are discussed. Four multi-element elution curves are presented, demonstrating the separation of the combinations Ga(Ag, Cu)Zn(Cd, Pb, In, Sn[IV]), CoPbSbTe, ZnCdBiHg, and AgCdInAu.
ISSN:	0039-9140 1873-3573
DOI:	10.1016/0039-9140(86)80259-4