Spectral studies of pH dye films for detection of toxic chemicals

Wieslaw Wojcik; Radislav A. Potyrailo; Sergei P. Golubkov; Pavel S. Borsuk

doi:10.1117/12.155667

24 September 1993 Spectral studies of pH dye films for detection of toxic chemicals

Wieslaw Wojcik, Radislav A. Potyrailo, Sergei P. Golubkov, Pavel S. Borsuk

Proceedings Volume 1711, High-Performance Optical Spectrometry; (1993) https://doi.org/10.1117/12.155667
Event: High Performance Optical Spectrometry, 1992, Warsaw, Poland

Abstract

The molecular absorption spectra of pH dyes, employed for ammonia sensing are investigated. Differences of absorption spectra of Bromothymol Blue and Bromocresol Purple dyes, dissolved in water and entrapped in Polymethylphenylsiloxane film are discussed. Correspondence of dye-films absorption bands shape to the Gauss distribution shape in the spectral region of light source emission band was determined.

Citation Download Citation

Wieslaw Wojcik, Radislav A. Potyrailo, Sergei P. Golubkov, and Pavel S. Borsuk "Spectral studies of pH dye films for detection of toxic chemicals", Proc. SPIE 1711, High-Performance Optical Spectrometry, (24 September 1993); https://doi.org/10.1117/12.155667

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