> For the complete documentation index, see [llms.txt](https://docs.materialsproject.org/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.materialsproject.org/apps/analysis-apps/pourbaix-app.md).

# Pourbaix Diagram

In this section, we review how to use the Pourbaix Diagram app to generate Pourbaix diagrams for different elements. The app can generate diagrams for up to 4 elements at a time. We show generating the Fe and Fe-Cr Pourbaix diagram and illustrate some of the Advanced Options available in the app.

Here are the articles in this section:

{% content-ref url="/pages/hHHlTiCtRxf3TEBq8xS6" %}
[Background](/apps/analysis-apps/pourbaix-app/background.md)
{% endcontent-ref %}

{% content-ref url="/pages/du33rRZdcjXWJa7ampDi" %}
[Tutorial](/apps/analysis-apps/pourbaix-app/tutorial.md)
{% endcontent-ref %}

{% content-ref url="/pages/5X11QUYTIdZbZkJbRQKW" %}
[FAQ](/apps/analysis-apps/pourbaix-app/faq-+-known-issues.md)
{% endcontent-ref %}