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United States Department of Agriculture

Agricultural Research Service

ARS Photo Library

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Image Number K8747-10

Chemist Ulrich Bernier examines glass beads that have absorbed human scents. The glass insert containing the beads is ready to be installed in a gas chromatograph to identify the scents.

Photo by Peggy Greb.

640 pixels wide: (k8747-10.jpg)

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Last Modified: 5/23/2006
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