ELECTRONIC SPECTRA OF CONCENTRATED SOLUTIONS
Creators:Clark Leigh B.
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Publisher:Ohio State University
Light reflected at the boundary between a transparent window and on absorbing liquid solution is related to the complex index of refraction of the solution which is derived from the absorption spectrum of the solution. Since the solution absorption spectrum is (for the most part) a superposition of the absorption spectra of both the solute and the solvent. Information about the individual component absorption spectra is contained in the reflection spectrum obtained from such a boundary. In particular for very concentrated solutions, concentrated solutions in the region of solvent absorption and for other optically dense systems such reflection spectra would seem to be a useful probe. Preliminary data for light reflected from interfaces between either quartz or LiF and concentrated solutions of several hydrocarbons dissolved in various solvents will be presented for the visible, UV and vacuum UV regions and for transparent and absorbing solvents.
Author Institution: Department of Chemistry, B-014, University of California-San
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