Abstract
IN connexion with a problem on the determination of the ultra-violet absorption spectra of organic molecules dissolved in 95 per cent ethyl alcohol1, it was necessary to determine the suitability of the alcohol as a solvent in the region of 2000 A. There is a report2 that carefully purified 95 per cent ethyl alcohol3 is suitable for the region of 2000 A., although no experimental results were given. Observations in this region have been reported by MacLean, Jencks and Acree4 for ordinary commercial 95 per cent ethanol, and they find that unpurified alcohol is completely opaque in this region.
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References
Moser and Kohlenberg, J. Chem. Soc. (in the press).
Harrison, Lord and Loofbourow, “Practical Spectroscopy”, 418 (Prentice-Hall, New York, 1948).
Leighton, Cary and Schipp, J. Amer. Chem. Soc., 53, 3017 (1931).
MacLean, Jencks and Acree, J. Res. Nat. Bureau of Standards, 34, 271 (1945).
Pirlot, Bull. Soc. Roy. Sci. Liège, 18, 115 (1949).
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MOSER, C. Use of 95 per cent Ethyl Alcohol as a Solvent for Ultra-Violet Spectroscopy. Nature 167, 656 (1951). https://doi.org/10.1038/167656a0
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DOI: https://doi.org/10.1038/167656a0
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