Adelaide Research & Scholarship
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https://hdl.handle.net/2440/17917
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| Type: | Journal article |
| Title: | Complexation of zinc(II) and cadmium(II) by hydroxyethyl- and bis(hydroxyethyl)-1,4,7-triazacyclononane in water |
| Author: | Creaser, S. Pyke, S. Lincoln, S. |
| Citation: | Australian Journal of Chemistry: an international journal for chemical science, 2003; 56(1):61-64 |
| Publisher: | C S I R O Publishing |
| Issue Date: | 2003 |
| ISSN: | 0004-9425 1445-0038 |
| Statement of Responsibility: | Steffen P. Creaser, Simon M. Pyke and Stephen F. Lincoln |
| Abstract: | The complexation of Zn2+ by hydroxyethyl- and bis(hydroxyethyl)-1,4,7-triazacyclononane ((2) and (3)) in aqueous solution at 298.2 K and I = 0.10 mol dm−3 (NaNO3) is characterized by log(K/dm3 mol−1) = 10.45 ± 0.05 and 11.32 ± 0.02 and a deprotonation assigned to coordinated water is characterized by pKa = 8.87 ± 0.11 and 8.50 ± 0.03, respectively. For the analogous Cd2+ complexes log(K/dm3 mol−1) = 8.74 ± 0.02 and 9.79 ± 0.02, respectively, and no deprotonation of coordinated water is detected. The synthesis of (2) is described. |
| Description: | Copyright © CSIRO 2003 |
| DOI: | 10.1071/CH02202 |
| Published version: | http://www.publish.csiro.au/nid/51/paper/CH02202.htm |
| Appears in Collections: | Aurora harvest 6 Chemistry publications Environment Institute publications |
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