# Critical Point Phase Diagram

**Critical Point Phase Diagram**. Did you know that supercritical fluids can be used to dissolve and isolate substances (such as extraction of caffeine from coffee beans)? So just to understand what's going on here, is that on this axis, I have pressure.

Did you know that supercritical fluids can be used to dissolve and isolate substances (such as extraction of caffeine from coffee beans)? In thermodynamics, a critical point (or critical state) is the end point of a phase equilibrium curve. The critical point is one of the main features of the phase diagram of strongly interacting quark-gluon matter.

### Now lets put some numbers on the diagram to show the exact positions of the critical point.

Critical points are also sometimes called equilibria, since we have so-called equilibrium solutions at critical points.

When interpreting a phase diagram, it is critical to note that the pressure that is important for the gas is the partial pressure of the substance you are looking One very special point on a phase diagram is the triple point. Ther-modynamic states on the phase diagram are calculated for a homogeneous material at equilibrium states. Ammonia - Density at Varying Temperature and Pressure - Online calculator, figures and tables showing density and specific weight.

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