Image Number D1276-1

David Sessa, a chemist in the ARS Plant Polymer Research Unit, is checking for air bubbles in a chromatographic column to be used for decolorizing and deodorizing yellow zein solutions. Sessa is co-designer of the multicolumn apparatus for pilot-scale operation.

Photo by Peggy Greb.

640 pixels wide: (d1276-1.jpg)