.. _sphx_glr_api_gallery_surface_freundlich:

Freundlich isotherm
----------------------

The empirical Freundlich power-law adsorption isotherm, and fitting
(Kf, n) from data via the standard log q vs. log P linearization.


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    <div class="sphx-glr-thumbcontainer" tooltip="FreundlichIsotherm models the empirical power law q=K_fP^{1/n}, useful for a heterogeneous surface where Langmuir&#x27;s single-site-energy assumption breaks down. Unlike Langmuir, it has no saturation limit, so extrapolating it far beyond the fitted pressure range is unphysical. fit_freundlich recovers (Kf, n) via the standard log q vs. log P linearization.">

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  .. image:: /api/gallery/surface/freundlich/images/thumb/sphx_glr_plot_01_freundlich_isotherm_thumb.png
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  :doc:`/api/gallery/surface/freundlich/plot_01_freundlich_isotherm`

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      <div class="sphx-glr-thumbnail-title">The Freundlich adsorption isotherm</div>
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    </div>


.. toctree::
   :hidden:

   /api/gallery/surface/freundlich/plot_01_freundlich_isotherm