Change of State

4C10.XX - PVT SURFACES

4C20.XX - PHASE CHANGES: LIQUID-SOLID

4C30.XX - PHASE CHANGES: LIQUID-GAS

4C31.XX - COOLING BY EVAPORATION

4C40.XX - SUBLIMATION

4C45.XX - PHASE CHANGES: SOLID-SOLID

4C50.XX - CRITICAL POINT