Abstract
WHEN autoradiography is used to detect labelled compounds on paper chromatograms, a radioactive ink is a useful adjunct. With this ink, a visible mark can be made on both the paper and the X-ray film in order to assist their re-alignment after the film has been developed. For radioactive components of such ink, non-volatile compounds of carbon-14 or sulphur-35 have been suggested, but suitable materials are expensive so that a cheaper alternative was sought.
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GARDINER, J. A Radioactive Marking Ink. Nature 197, 414 (1963). https://doi.org/10.1038/197414b0
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DOI: https://doi.org/10.1038/197414b0
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