TY - JOUR
T1 - Pitfalls and artifacts in measuring absorption spectra and kinetics
T2 - The effect of stray light in the UV and red regions
AU - Czapski, Gideon
AU - Ozeri, Yair
AU - Goldstein, Sara
PY - 2005/2
Y1 - 2005/2
N2 - Effects of stray light on absorption spectrum and kinetics are discussed. The extent of the stray light depends on the light source, monochromator, wavelength set by the instrument and the absorption of the sample at this wavelength. Effects of the stray light on the shape of the spectrum and the extinction coefficients are shown. Methods for determining the existence and extent of stray light are suggested and are especially relevant for studies using pulse radiolysis, flash photolysis, and stopped-flow techniques. The literature examples for artifacts due to stray light are presented for kinetics and absorption spectra.
AB - Effects of stray light on absorption spectrum and kinetics are discussed. The extent of the stray light depends on the light source, monochromator, wavelength set by the instrument and the absorption of the sample at this wavelength. Effects of the stray light on the shape of the spectrum and the extinction coefficients are shown. Methods for determining the existence and extent of stray light are suggested and are especially relevant for studies using pulse radiolysis, flash photolysis, and stopped-flow techniques. The literature examples for artifacts due to stray light are presented for kinetics and absorption spectra.
KW - Absorption spectrum
KW - Artifact
KW - Kinetics
KW - Stray light
UR - http://www.scopus.com/inward/record.url?scp=9644264356&partnerID=8YFLogxK
U2 - 10.1016/j.radphyschem.2003.06.003
DO - 10.1016/j.radphyschem.2003.06.003
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AN - SCOPUS:9644264356
SN - 0969-806X
VL - 72
SP - 229
EP - 234
JO - Radiation Physics and Chemistry
JF - Radiation Physics and Chemistry
IS - 2-3
ER -