WG1 - Hydrolysis (and associated equilibria) constants
WG1 - NECTAR for highly hydrolysable (HHC) and/or low-valence state (LVC) cations has prepareed a compilation of the hydrolysis constants of most elements of the periodic table. This work is related to its task of providing reliable, accurate and comprehensive sets of thermodynamic data of systems containing HHE and LVC.
You can find the result of the work in the following periodic table. By clicking in a given element, you can access a PDF file containing its hydrolysis constants (log values) at infinite dilution and T = 298 K gathered from the most relevant literature compilations (in green, recommended values).
Various approaches can be used to predict values at different ionic strengths and in different ionic media (e.g., Extended Debye-Hückel, Specific ion Interaction Theory (SIT) and Pitzer models). The final selection criterion should be based on the availability of proper parameters. More at: Grenthe I. and Puigdomenech I. (eds.), Modelling in Aquatic Chemistry. OECD: Paris, 1997.
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