Abstract
THE structure of nitrosylsulphuric acid is being investigated by Raman spectra. The acid was pre pared by bubbling sulphur dioxide into specially purified nitric acid to which a small amount of glacial acetic acid had been added. A solution of nitrosylsulphuric acid in commercial 100 per cent pure sulphuric acid was examined using a Hilger Raman spectrograph and Ilford New Double X–Press plates. The spectrum obtained after 6¾ hours exposure was rich in Raman lines. Raman displacements of 424, 549, 730, 915, 1043, 1181 and 1378 cm.1 were obtained. These clearly arise from the sulphuric acid and are in good agreement with previously recorded values. In addition, a number of other lines due to the nitrosylsulphuric acid were present; most of these were faint, but one corresponding with a displacement of 2340 cm.1 had an intensity comparable with the intensities of the sulphuric acid lines.
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ANGUS, W., LECKIE, A. Raman Spectrum of Nitrosylsulphuric Acid. Nature 134, 572 (1934). https://doi.org/10.1038/134572b0
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DOI: https://doi.org/10.1038/134572b0
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