Stability constants of the Li+, Na+, H3O+, NH4+, Ag+, and K+ complexes of the cone conformer of tetraethyl p-tert-butyltetrathiacalix[4]arene tetraacetate in nitrobenzene saturated with water |
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| Authors: | Emanuel Makrlík Petr Vaňura Jan Budka and Pavel Selucky |
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| Institution: | (1) Faculty of Applied Sciences, University of West Bohemia, Pilsen, Czech Republic;(2) Institute of Chemical Technology, Prague, Czech Republic;(3) Nuclear Research Institute, Řež, Czech Republic |
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| Abstract: | Abstract From extraction experiments in the two-phase water–nitrobenzene system and γ-activity measurements, the stability constants of the tetraethyl p-tert-butyltetrathiacalix4]arene tetraacetate (cone)·M+ complexes (M+ = Li+, H3O+, NH4
+, Ag+, or K+) were determined in water-saturated nitrobenzene. It was found that these constants increase in the cation order NH4
+ < K+ < H3O+ < Ag+ < Li+ < Na+. |
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