Scientist and the capillary column on GC

Scientist and the capillary column on GC

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Credit: JAMES HOLMES/THOMSON LABORATORIES/SCIENCE PHOTO LIBRARY

Caption: MODEL RELEASED. Scientist changing the capillary column on a Perkin-Elmer Gas Chromatograph (GC), a computer-controlled instrument used to analyse the chemical composition of mixtures of gaseous & volatile liquid samples. Results are presented as a chromatogram, a print-out of the concentration of components in the mixture plotted against time, which appears as a series of peaks on a chart. The turntable in foreground contains special tubes that contain the various samples, prior to their injection into the GC.

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Keywords: apparatus, chemical, chemist, chemistry, equipment, gas chromatograph, in gc, industry, scientist, technology, thermal desorption

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