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Applied Spectroscopy

Applied Spectroscopy

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  • Vol. 42, Iss. 8 — Nov. 1, 1988
  • pp: 1469–1472

High-Precision Fluorimetry with a Light-Emitting Diode Source

B. W. Smith, B. T. Jones, and J. D. Winefordner

Applied Spectroscopy, Vol. 42, Issue 8, pp. 1469-1472 (1988)


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Abstract

A simple fluorimeter which uses a light-emitting diode as a source of excitation and a photodiode as a detector has been constructed and evaluated. The exceptional stability of both the detector and the source make it possible to make concentration measurements by fluorimetry with a precision of at least 0.002%. Furthermore, the system exhibited excellent linear dynamic range and a limit of detection of 20 ng/L for the dye Oxazine 720 in methanol.

Citation
B. W. Smith, B. T. Jones, and J. D. Winefordner, "High-Precision Fluorimetry with a Light-Emitting Diode Source," Appl. Spectrosc. 42, 1469-1472 (1988)
http://www.opticsinfobase.org/as/abstract.cfm?URI=as-42-8-1469


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