Abstract
SEVERAL spot tests are available for determining substances containing nitrogen, and are widely used in qualitative and semi-quantitative analysis1. All these involve the development of colour or fluorescence by spraying with suitable reagents. We have discovered that many nitrogenous compounds give a brown colour when spotted on to filter paper and exposed to doses of ionizing radiation in the range 5 × 106−2 × 108 rads.
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References
Feigl, F., “Spot Tests in Organic Analysis” (Elsevier, 1956).
Saeman, J. F., Millett, M. A., and Lawton, E. J., Indust. Eng. Chem., 44, 2848 (1954).
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BOWEN, H., ARTER, E. & CAWSE, P. Use of Ionizing Radiation in Spot Tests for Nitrogenous Compounds. Nature 186, 383 (1960). https://doi.org/10.1038/186383a0
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DOI: https://doi.org/10.1038/186383a0
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