... 10.1039/C3RA40205C (Paper) RSC Adv., 2013, 3, 5997-6007. ... 1.3.3 Cloud point extrapolation with salting-in salts. ... When the surface tension was stable (standard deviation of the 10 final steps of 0.05 mN m −1 ), a manual dilution keeping the volume constant was performed. ...