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Issue 6, 1993
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Communication. Use of poly(L-lysine) and ascorbic acid for surface enhanced resonance Raman scattering analysis of acidic monoazo dyes

Abstract

A surface enhanced resonance Raman scattering (SERRS) procedure is described for the analysis of acidic monoazo dyes. The SERRS spectra of these compounds can be obtained if a 0.01% solution of poly(L-lysine) is added to a citrate-reduced silver sol. Further enhancement of the SERRS intensities can be obtained by the addition of ascorbic acid. The discrimination between dyes offered by this procedure is demonstrated and a mechanism is proposed for the interaction between the poly(L-lysine), ascorbic acid and a dye.

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Article information


Analyst, 1993,118, 731-733
Article type
Paper

Communication. Use of poly(L-lysine) and ascorbic acid for surface enhanced resonance Raman scattering analysis of acidic monoazo dyes

C. H. Munro, W. E. Smith and P. C. White, Analyst, 1993, 118, 731
DOI: 10.1039/AN9931800731

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