Surface-Enhanced Raman Vapor Dosimeter

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This paper describes a new direct-reading personal dosimeter designed to detect vapors of organic chemicals. The device employs the surface-enhanced Raman scattering (SERS) technique for direct measurement of the amount of analyte collected on the dosimeter, requiring no sample desorption or wet-chemical extraction procedure. The time-weighted average exposure to the chemical vapors can be determined on the dosimeter substrate. The results with benzoic acid used as the model compound illustrate the usefulness of this SERS-based dosimeter.

Keywords: Benzoic acid; Dosimeter; Raman spectroscopy; Surface-enhanced Raman scattering; Vapor monitor

Document Type: Research Article


Affiliations: Advanced Monitoring Development Group, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831-6101

Publication date: October 1, 1993

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