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United States Department of Agriculture

Agricultural Research Service


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Image Number D777-1

With inductively coupled plasma emission spectroscopy, technician Doug Sturtz (left) and horticulturist Jonathan Frantz can detect and measure many elements in plant tissue, soil, and solution samples at concentration levels in the parts per billion. Here, they’re verifying the instrument’s calibration.

 

Photo by Stephen Ausmus.



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Last Modified: 8/13/2016
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