General view of employee Jack Guillaumin (right) and an unidentified chemist reviewing the results of an analysis conducted by a Perkin-Elmer Model 306 Atomic Absorption Spectrophotometer in a laboratory at the Detroit Edison Company. Per notations accompanying the photograph, the atomic absorption spectrophotometer is equipped with a heated graphite atomizer (HGA) and was used to test for the presence of trace metals in samples of river water taken from the company's plant in Marysville, Michigan.
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Perkin-Elmer Corporation. “Perkin-Elmer Atomic Absorption Spectrophotometer in Use at Detroit Edison Company,” 1970–1979. Photographs from the Perkin-Elmer-Applera Collection, Box 4. Science History Institute. Philadelphia. https://digital.sciencehistory.org/works/gh93h035j.
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