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Image Number D1277-1

Technician Mardell Schaer performs spectrophotometric analysis of a yellow zein solution (right) and decolorized and deodorized zein (left). The yellow zein solution is represented by red on the screen, and the decolorized and deodorized zein is represented by green.


Photo by Peggy Greb.

640 pixels wide: (d1277-1.jpg)

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