... David A. Jaeger* and Malgorzata Wegrzyn Clennan Department of Chemistry, University of Wyoming, Laramie, Wyoming 82071 ... XAD-2 (Rohm and Haas) are qual- itatively ~imilar.~ For a wide variety of organic solvents, XAD ... 11) Menger, FM; Donohue, J. A,; Williams, RF J. Am. ...