The Purification of Water by Freeze-Thaw or Zone Melting
A simple method for purifying water via freeze-thaw or zone melting is presented. The method involves aqueous NaCl solutions and a home freezer and the determination of conductivity.
& Battino, R.
(2001). The Purification of Water by Freeze-Thaw or Zone Melting. Journal of Chemical Education, 78 (10), 1373-1374.