Separation of Oxygen Isotopes by Gas Chromatography

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SEPARATION of some volatile isotopic molecules can be achieved either by gas solid chromatography on packed columns1 or by gas liquid chromatography on capillary columns2. The small differences in vapour pressure of isotopes require columns with a high number of theoretical plates, which is more easily realized with open tubular columns.

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BOCOLA, W., BRUNER, F. & CARTONI, G. Separation of Oxygen Isotopes by Gas Chromatography. Nature 209, 200–201 (1966) doi:10.1038/209200a0

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