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Optical Engineering

A Raman Technique for the Remote Measurement of Aqueous Acid Solutions
Author(s): Donald D. Dylis
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Paper 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.

Paper Details

Date Published: 1 December 1974
PDF: 4 pages
Opt. Eng. 13(6) 136502 doi: 10.1117/12.7978714
Published in: Optical Engineering Volume 13, Issue 6
Show Author Affiliations
Donald D. Dylis, Rome Air Development Center (United States)


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