Concentration by freeze-thaw.
A simple procedure for concentrating aqueous solution by freezing is described. Solutions are frozen in test tubes, which are insulated on the sides and bottom, and allowed to thaw during centrifugation. Fractionation of solutes could also be achieved.
D005615:Freezing; D012996:Solutions / Q000737:chemistry*; D014867:Water
D012996:Solutions; D014867:Water
SOLUTIONS/chemistry