Towards a common thermodynamic database for speciation models

Verfasser / Beitragende:
[Jan van der Lee, Claire Lomenech]
Ort, Verlag, Jahr:
2004
Enthalten in:
Radiochimica Acta/International journal for chemical aspects of nuclear science and technology, 92/9-11/2004(2004-11-01), 811-818
Format:
Artikel (online)
ID: 378927086
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024 7 0 |a 10.1524/ract.92.9.811.54998  |2 doi 
035 |a (NATIONALLICENCE)gruyter-10.1524/ract.92.9.811.54998 
245 0 0 |a Towards a common thermodynamic database for speciation models  |h [Elektronische Daten]  |c [Jan van der Lee, Claire Lomenech] 
520 3 |a Bio-geochemical speciation models and reactive transport models are reaching an operational stage, allowing simulation of complex dynamic experiments and description of field observations. For decades, the main focus has been on model performance but at present, the availability and reliability of thermodynamic data is the limiting factor of the models. Thermodynamic models applied to real and complex geochemical systems require much more extended thermodynamic databases with many minerals, colloidal phases, humic and fulvic acids, cementitious phases and (dissolved) organic complexing agents. Here we propose a methodological approach to achieve, ultimately, a common, operational database including the reactions and constants of these phases. Provided they are coherent with the general thermodynamic laws, sorption reactions are included as well. We therefore focus on sorption reactions and parameter values associated with specific sorption models. The case of sorption on goethite has been used to illustrate the way the methodology handles the problem of inconsistency and data quality. 
540 |a © 2004 Oldenbourg Wissenschaftsverlag GmbH 
690 7 |a Laboratory techniques, experiments  |2 nationallicence 
690 7 |a Analytical chemistry  |2 nationallicence 
690 7 |a Inorganic chemistry  |2 nationallicence 
700 1 |a van der Lee  |D Jan  |4 aut 
700 1 |a Lomenech  |D Claire  |4 aut 
773 0 |t Radiochimica Acta/International journal for chemical aspects of nuclear science and technology  |d Oldenbourg Wissenschaftsverlag GmbH  |g 92/9-11/2004(2004-11-01), 811-818  |x 0033-8230  |q 92:9-11/2004<811  |1 2004  |2 92  |o ract 
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950 |B NATIONALLICENCE  |P 700  |E 1-  |a van der Lee  |D Jan  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Lomenech  |D Claire  |4 aut 
950 |B NATIONALLICENCE  |P 773  |E 0-  |t Radiochimica Acta/International journal for chemical aspects of nuclear science and technology  |d Oldenbourg Wissenschaftsverlag GmbH  |g 92/9-11/2004(2004-11-01), 811-818  |x 0033-8230  |q 92:9-11/2004<811  |1 2004  |2 92  |o ract 
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