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Chemical actinometry (IUPAC Technical Report)

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Kuhn, H. J., Braslavsky, S. E., Schmidt, R.·2004·Pure and Applied Chemistry

Abstract

This document updates the first version of the IUPAC technical report on “Chemical actinometers” published in Pure Appl. Chem. 61 ,187-210 (1989). Since then, some methods have been improved, procedures have been modified, and new substances have been proposed as chemical actinometers. An actinometer is a chemical system or a physical device by which the number of photons in a beam absorbed into the defined space of a chemical reactor can be determined integrally or per time. This compilation includes chemical actinometers for the gas, solid, microheterogeneous, and liquid phases, as well as for the use with pulsed lasers for the measurement of transient absorbances, including the quantum yield of phototransformation, as well as the literature for each of the actinometers. The actinometers listed are for the use in the wavelength range from the UV to the red region of the spectrum. A set of recommended standard procedures is also given. Advantages and disadvantages are discussed regarding the use of chemical actinometers vs. electronic devices for the measurement of the number of photons absorbed. Procedures for the absolute measurement of incident photon flux by means of photodiodes are also discussed.

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Metadata

Authors
Kuhn, H. J., Braslavsky, S. E., & Schmidt, R.
Venue
Pure and Applied Chemistry
Published
2004-01-01
Volume
76
Issue
12
Pages
2105-2146
ISSN
  • 0033-4545 (ISSN-L)
  • 1365-3075
OpenAlex
W1985572431
Cited by
875
References
0
FWCI
35.05
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: Chemical actinometry (IUPAC Technical Report). https://app.cochat.ai/papers/10.1351/pac200476122105
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Kuhn, H. J., Braslavsky, S. E., & Schmidt, R. (2004). Chemical actinometry (IUPAC Technical Report). Pure and Applied Chemistry. https://doi.org/10.1351/pac200476122105

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