Activity coefficient models
============================

.. contents:: :local:

Non-electrolyte models
----------------------

There are 3 non-electrolyte activity coefficient models in pytherm:

* :obj:`UNIFAC and Modified UNIFAC <pytherm.activity.unifac>`
* :obj:`UNIQUAC <pytherm.activity.uniquac>`

Electrolyte models
-------------------

There are 2 electrolyte activity coefficient model in pytherm:

* :obj:`Pitzer <pytherm.activity.pitzer.Pitzer>`
* :obj:`SIT <pytherm.activity.sit>`