1 December 1974 A Raman Technique for the Remote Measurement of Aqueous Acid Solutions
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Abstract
The feasibility of remotely measuring acidity of aqueous solution is demonstrated. Profile changes in the Raman band for water, which occurs over the Raman shift range between 2800 cm-1 and 3800 cm-1, are attributed to modifications of the hydrogen bonding by acid protons. It is shown that these profile changes are directly related to acid concentrations. Measurements have been made for aqueous solutions of HC1, HBr, and H2SO4. In addition, Raman spectra of an acid aerosol are shown and estimates of the detectivity of acidity by remote Raman spectroscopy made.
Donald D. Dylis, Donald D. Dylis, } "A Raman Technique for the Remote Measurement of Aqueous Acid Solutions," Optical Engineering 13(6), 136502 (1 December 1974). https://doi.org/10.1117/12.7978714 . Submission:
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