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https://hdl.handle.net/2440/4679
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dc.contributor.author | Rodopoulos, T. | - |
dc.contributor.author | Pittet, P.A. | - |
dc.contributor.author | Mahadevan, I. | - |
dc.contributor.author | Lincoln, S. | - |
dc.contributor.author | Ward, A. | - |
dc.contributor.author | Duckworth, P. | - |
dc.contributor.author | Kurucsev, T. | - |
dc.contributor.author | Hendrickson, K. | - |
dc.contributor.author | Forbes, I. | - |
dc.contributor.author | Zalewski, P. | - |
dc.date.issued | 1997 | - |
dc.identifier.citation | Journal- Chemical Society Dalton Transactions, 1997; 20(20):3879-3882 | - |
dc.identifier.issn | 0300-9246 | - |
dc.identifier.issn | 1364-5447 | - |
dc.identifier.uri | http://hdl.handle.net/2440/4679 | - |
dc.description.abstract | A potentiometric and fluorescence study of the complexation of divalent metal ions (M2+) by the fluorophore 2-methyl-8-(toluene-p-sulfonamido)-6-quinolyloxyacetic acid (H2L) in 50% (v/v) aqueous ethanol at 298.2 K and I = 0.10 mol dm-3 (NaClO4) showed that the [ML] and [ML2]2- complexes are characterised by log(β1/dm3 mol-1) and log(β2/dm6 mol-2) values of 8.12 ± 0.20 and 17.06 ± 0.11, respectively, when M2+ = Co2+ and corresponding values of < 8 and 15.73 ± 0.03 when M2+ = Ni2+, 11.96 ± 0.02 and 21.40 ± 0.03 when M2+ = Cu2+, 9.65 ± 0.02 and 19.11 ± 0.06 when M2+ = Zn2+ and 8.44 ± 0.50 and 15.38 ± 0.40 when M2+ = Cd2+. In the cobalt(II) system, [CoL3]4-, where log(β3/dm9 mol-3) = 25.56 ± 0.11, was also detected. The pKa values for H3L+ are 1.87 ± 0.10, 3.72 ± 0.03 and 10.01 ± 0.02. These data are discussed together with the fluorescence characteristics of HL-, [ZnL] and [ZnL2]2-. | - |
dc.language.iso | en | - |
dc.publisher | ROYAL SOC CHEMISTRY | - |
dc.source.uri | http://dx.doi.org/10.1039/a703433d | - |
dc.title | Complexation of zinc(II) and other divalent metal ions by the fluorophore 2-methyl-8-(toluene-p-sulfonamido)-6-quinolyloxyacetic acid in 50% aqueous ethanol | - |
dc.type | Journal article | - |
dc.identifier.doi | 10.1039/a703433d | - |
pubs.publication-status | Published | - |
dc.identifier.orcid | Zalewski, P. [0000-0001-5196-2611] | - |
Appears in Collections: | Aurora harvest 6 Chemistry publications Environment Institute publications |
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