ideal dilute solution

https://doi.org/10.1351/goldbook.I02934
Dilute solution
in which the solute may be regarded as obeying
Henry's law
, so that all the solute
activity coefficients
may be approximated to 1.
Source:
Physical Chemistry Division, unpublished [Terms]
See also:
PAC, 1994, 66, 533. (Standard quantities in chemical thermodynamics. Fugacities, activities and equilibrium constants for pure and mixed phases (IUPAC Recommendations 1994)) on page 545 [Terms] [Paper]