Issue Date: March 12, 2010
Solvents that reversibly switch from being hydrophobic to hydrophilic or between extremes in ionic strength simply by the addition or removal of carbon dioxide are being reported by Philip G. Jessop and coworkers of Queen's University, in Kingston, Ontario.
The difference between the two states of the solvents is large enough that many compounds are soluble in only one form or the other. Harnessing these switchable solvents for chemical processing . . .
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