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Applied Spectroscopy

Applied Spectroscopy

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  • Vol. 49, Iss. 4 — Apr. 1, 1995
  • pp: 508–512

Quantitative Detection of Environmentally Important Dyes Using Diode Laser/Fiber-Optic Raman Spectroscopy

Daniel A. Gilmore, Donald Gurka, and M. Bonner Denton

Applied Spectroscopy, Vol. 49, Issue 4, pp. 508-512 (1995)


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Abstract

A compact diode laser/fiber-optic Raman spectrometer is used for quantitative detection of environmentally important dyes. This system is based on diode laser excitation at 782 nm, fiber-optic probe technology, an imaging spectrometer, and a state-of-the-art scientific CCD camera. The dyes studied include trypan blue, acid black 1, acid blue 40, and basic blue 7. Detection sensitivities (at rms S/N = 2) ranged from 0.2 ppm (3.24 x 10-7 M) for acid black 1, to 25 ppm (4.86 x 10-5 M) for basic blue 7.

Citation
Daniel A. Gilmore, Donald Gurka, and M. Bonner Denton, "Quantitative Detection of Environmentally Important Dyes Using Diode Laser/Fiber-Optic Raman Spectroscopy," Appl. Spectrosc. 49, 508-512 (1995)
http://www.opticsinfobase.org/as/abstract.cfm?URI=as-49-4-508


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