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Researchers at the University of Nebraska-Lincoln have found a new method to assess oil contamination in soil by using VIS-NIR spectroscopy. The technique has significant advantages over previous methods.
Traditional methods of analyzing samples are done in the laboratory and require multiple steps. Samples must be collected from the spill site and then taken off site for analysis. The process is time-consuming, labor-intensive, and costly.
These laboratory-constructed soil samples contain various concentrations of petroleum hydrocarbons. Courtesy of David Weindorf.
“It costs about $50 per sample,” said Nuwan Wijewardane, a post-doctoral research assistant at the University of Nebraska-Lincoln. “And that does…