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United States Department of Agriculture

Agricultural Research Service

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Image Number D112-45

In a test of carbon’s ability to adsorb metals from water, student technician Bonnie Dillon (left) and chemist Isabel Lima run a copper ion solution (blue liquid) through a column of broiler manure-based carbon. When the copper is removed, the solution becomes clear.


Photo by Stephen Ausmus.

640 pixels wide: (d112-45.jpg)

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Last Modified: 8/13/2016
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