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Pure Appl. Chem., Vol. 69, No.5, pp. 979-992, 1997

ORGANIC CHEMISTRY DIVISION

COMMISSION ON PHOTOCHEMISTRY

Methods for the Analysis of Transient Absorbance Data

(Technical Report)

Prepared by Roland Bonneau, Jakob Wirz and Andreas D. Zuberbühler

[full text - pdf 1246 kB]

Abstract: Procedures for the generation and collection of transient UV-visible absorbance data are briefly re-viewed. Problems associated with signal generation (scattered light, inhomogeneous distribution of transients, insta-bility of pulsed light sources), signal detection (averaging, filtering), and signal analysis in kinetic and spectrographic flash photolysis are addressed. Methodology for the fitting of model functions to absorbance data that depend on up to three variables (time, wavelength and, e.g., temperature) is discussed.

 


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