Congruent transition

{
  "id": "MLC-T-CHM-002434",
  "term": "Congruent transition",
  "field": "Chemistry",
  "definition": "A phase transition where a solid phase transforms into another phase (solid or liquid) without any change in chemical composition. The composition of the initial and final phases at the transition point is identical. This type of transition is common in pure substances undergoing melting or polymorphic transformations.",
  "subject": "Inorganic Chemistry",
  "see_also": [
    "melting"
  ],
  "references": [
    "PAC, 1994, 66, 577. 'Definitions of terms relating to phase transitions of the solid state (IUPAC Recommendations 1994)' on page 579 (https://doi.org/10.1351/pac199466030577)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/congruent-transition/"
}