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- W1994538543 endingPage "154" @default.
- W1994538543 startingPage "143" @default.
- W1994538543 abstract "A critical analysis of data published for complexation (conditional stability constants and complexation capacities) of lead(II) by natural organic matter (NOM) is presented. The same patterns are observed for the different types of NOM, i.e. isolated humic-type substances, isolated algae- and bacteria derived ligands and cell walls, and filtered whole water systems: apparent stronger binding sites are utilised at lower metal ion loadings, progressively weaker sites contribute to metal complexation at higher loadings. Continuous binding functions should thus be used to adequately describe lead-NOM complexation in natural waters. Two important observations arising from our analysis are that: (i) the binding curves (binding affinity as a function of metal ion loading) for whole natural water samples lie between those for compounds representative of the two main NOM types, viz., isolated humic compounds and biota, and (ii) binding constants commonly used in speciation codes probably underestimate the actual extent of lead(II) binding by NOM at natural concentration levels." @default.
- W1994538543 created "2016-06-24" @default.
- W1994538543 creator A5047522640 @default.
- W1994538543 creator A5062716126 @default.
- W1994538543 date "2002-12-01" @default.
- W1994538543 modified "2023-10-18" @default.
- W1994538543 title "Implications of natural organic matter binding heterogeneity on understanding lead(II) complexation in aquatic systems" @default.
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