Unary system

{
  "id": "MLC-T-CHM-012414",
  "term": "Unary system",
  "field": "Chemistry",
  "definition": "A thermodynamic system composed of a single chemical component, meaning only one type of chemical substance is present. The phase behavior of such a system can be described by a phase diagram with pressure and temperature as variables. Water (H₂O) is a common example, exhibiting solid, liquid, and gaseous phases depending on these conditions.",
  "subject": "Analytical Chemistry",
  "see_also": [
    "binary system",
    "higher-order system",
    "ternary system"
  ],
  "references": [
    "PAC, 2008, 80, 233. 'Glossary of terms related to solubility (IUPAC Recommendations 2008)' on page 270 (https://doi.org/10.1351/pac200880020233)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/unary-system/"
}