A Python library for solution chemistry
Project description
![](pyeql-logo.png)
A Python library for solution chemistry
pyEQL is a Python library that provides tools for modeling aqueous electrolyte solutions. It allows the user to manipulate solutions as Python objects, providing methods to populate them with solutes, calculate species-specific properties (such as activity and diffusion coefficients), and retreive bulk properties (such as density, conductivity, or volume).
![](pyeql-demo.png) —
pyEQL is designed to be customizable and easy to integrate into projects that require modeling of chemical thermodyanmics of aqueous solutions. It aspires to provide a flexible, extensible framework for the user, with a high level of transparency about data sources and calculation methods.
pyEQL runs on Python 3.0+ and is licensed under LGPL.
Key Features
Build accurate solution properties using a minimum of inputs. Just specify the identity and quantity of a solute and pyEQL will do the rest.
“Graceful Decay” from more sophisticated, data-intensive modeling approaches to simpler, less accurate ones depending on the amount of data supplied.
Not limited to dilute solutions. pyEQL contains out of the box support for the Pitzer Model and other methods for modeling concentrated solutions.
Extensible database system that allows one to supplement pyEQL’s default parameters with project-specific data.
Units-aware calculations (by means of the [pint](https://github.com/hgrecco/pint) library)
Documentation
Detailed documentation is available at <https://pyeql.readthedocs.io/>
Dependencies
Python 3
[pint](https://github.com/hgrecco/pint) - for units-aware calculations
[scipy](https://www.scipy.org/) - for certain nonlinear equation solvers
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