Entries from:

PAC, 1984, 56, 567. Physicochemical quantities and units in clinical chemistry with special emphasis on activities and activity coefficients (Recommendations 1983), doi:10.1351/pac198456050567

absolute activity,
Bates–Guggenheim convention
Debye–Hückel equation
fugacity, ,
Henry's law
pH
Raoult's law
stoichiometric concentration,