T-X_Br phase diagram for the NH₄Br_xCl_1−x system

Abstract

In this study using a mean field model we calculate the phase line equations for the β-δ, β-γ and γ-δ phase transitions in the NH₄Br_xCl_{1 x} system. We then fit our phase line equations to the experimentally observed T-X _Br phase diagram for this system. Our calculated phase diagram agrees well with the observed one for the NH₄Br_xCl_{1 x} system.

Key Words:

• Phase diagram
• Mean field theory
• Ammonium halides