Solvent extraction of H3O+, NH4+, Ag+, K+, Rb+ and Tl+ into nitrobenzene by using cesium dicarbollylcobaltate in the presence of a hexaarylbenzene-based receptor
From extraction experiments and γ -activity measurements, the extraction constants corresponding to the general equilibrium M + (aq) + 1 ·Cs + (nb) 1 ·M + (nb) + Cs + (aq) taking part in the two-phase water–nitrobenzene system ( 1 = hexaarylbenzene-based receptor; M + = H 3 O + , NH 4 + , Ag + ,...
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Published in | Journal of radioanalytical and nuclear chemistry Vol. 287; no. 2; pp. 497 - 500 |
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Main Authors | , , , , |
Format | Journal Article |
Language | English |
Published |
Dordrecht
Springer Netherlands
01.02.2011
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Subjects | |
Online Access | Get full text |
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Summary: | From extraction experiments and
γ
-activity measurements, the extraction constants corresponding to the general equilibrium M
+
(aq) +
1
·Cs
+
(nb)
1
·M
+
(nb) + Cs
+
(aq) taking part in the two-phase water–nitrobenzene system (
1
= hexaarylbenzene-based receptor; M
+
= H
3
O
+
, NH
4
+
, Ag
+
, K
+
, Rb
+
, Tl
+
; aq = aqueous phase, nb = nitrobenzene phase) were evaluated. Furthermore, the stability constants of the ML
+
complex species in nitrobenzene saturated with water were calculated; they were found to increase in the series of Rb
+
< K
+
< Ag
+
, Tl
+
< H
3
O
+
, NH
4
+
. |
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Bibliography: | ObjectType-Article-2 SourceType-Scholarly Journals-1 ObjectType-Feature-1 content type line 23 |
ISSN: | 0236-5731 1588-2780 |
DOI: | 10.1007/s10967-010-0704-4 |