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Critical point

Reference data 과 engineering information about critical point for thermodynamics applications.

criticalpoint

Overview

The critical point of a substance is the temperature and pressure above which distinct liquid and gas phases do not exist.

Data Table

10
Critical point data for common substances
Substance
Critical Temperature(°C)
Critical Pressure(MPa)
Water37422.06
Carbon Dioxide317.38
Methane-824.6
Ethane324.88
Propane974.25
Ammonia13211.3
Nitrogen-1473.39
Oxygen-1195.04
Hydrogen-2401.3
Helium-2680.23

출처: engineeringtoolbox.com

Notes

  • Values are at standard conditions unless otherwise noted
  • Always verify values for critical applications

References