THE ULTRAVIOLET SPECTROSCOPIC TECHNIQUE
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Date
1954
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Ohio State University
Abstract
Ultraviolet absorption spectroscopy has demonstrated its usefulness in applications to problems of identification, to qualitative, molecular structure studies, and to quantitative analysis, even of multicomponent systems. The ability to observe the spectra of ions in solution has been of great usefulness in molecular structure investigations and in the determination of ionization constants. The combination of the high absorptivities of conjugated molecules and a variety of common, highly transparent solvents has permitted quantitative analyses down to parts per million. Highly developed and readily available instrumentation of modest cost combines with increasingly reliable data, interchangeable among different laboratories, to give the ultraviolet spectroscopic technique great utility. Examples of both familiar and unusual applications (such as industrial hygiene, vapor pressure, and solubility) are discussed.
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Author Institution: American Cyanamide Company