Two unidentified men examining a Beckman Instruments display at a trade show.
The Model 915 converted samples to carbon dioxide and used a non-dispersive infrared analyzer to determine the total carbon and inorganic carbon. Organic carbon was determined as the difference between those values.
|View in library catalog|
Foto Arts. “Beckman Model 915-B Organic Carbon Analyzer Display,” 1968–1973. Beckman Historical Collection, Box 55, Folder 108. Science History Institute. Philadelphia. https://digital.sciencehistory.org/works/9306sz356.
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