AmeriFlux measures carbon, water and energy flux across research sites throughout the Americas.
Thermochemical Database
The NEA Thermochemical Database project develops reference thermodynamic values for compounds relevant to radioactive waste safety and geochemical modeling.

About Thermochemical Database
The Thermochemical Database (TDB) Project from the Nuclear Energy Agency (NEA) builds a reference set of chemical thermodynamic values for radioactive waste repository safety work. Its values are meant for geochemical modelling of those systems. Expert teams from universities and research institutes review primary experimental sources, and the project's reports explain how each selected value was chosen. The scope is thermodynamic data only, so diffusion, kinetics and sorption data fall outside it.
Pricing is not clearly stated.
Key features
- Reference thermodynamic values for radioactive waste repository safety
- Formation data for aqueous species and solid phases
- Gibbs energies, enthalpies, entropies and heat capacities
- Chemical reactions with corresponding thermodynamic data
- Reports documenting how values were selected
- Project phase history and participating countries
- Values selected through critical review of primary experimental sources by expert teams
- 15 authoritative volumes published over 35 years
- Excludes diffusion, kinetics and sorption data
Thermochemical Database at a glance
- Category
- Research & Data › Open Data & Datasets
- Type
- Website
- Pricing
- Not confirmed. Check the site
- Platforms
- Web
- Details verified
- Oct 21, 2026 · Official source
- Open source
- Not stated
- Language
- English
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
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