Journal of Radioanalytical and Nuclear Chemistry
Volume/Issue:
Volume 277: Issue 3
Spectral distribution of the radiochemiluminescence from gamma-irradiated humic acid
Authors:
W. Goraczko Poznan University of Technology Faculty of Chemical Technology, Radio- and Photochemistry Department ul. Piotrowo 3 60-965 Poznan Poland

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,
J. Slawiński Institute of Ecotechnology State High Vocational School Gniezno Poland

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, and
K. Staninski Adam Mickiewicz University Faculty of Chemistry, Department of Rare Earths Poznan Poland

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Pages:
613–618
Online Publication Date:
18 Apr 2008
Publication Date:
01 Sep 2008
Article Category:
Research Article
DOI:
https://doi.org/10.1007/s10967-007-7124-0
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Abstract  

This study was conducted to investigate radiochemiluminescence (RCL) spectra (340–650 nm), kinetics and absorption spectra of humic acids (HA) after their exposure of γ-radiation (absorbed doses of 1–10 kGy, 60Co) in model systems. The kinetics and spectral distribution of RCL were measured using the single photon counting method (SPC) and cut-off filters. Absorption spectra (range 240–800 nm) of irradiated solutions indicated that post-radiative degradation/polymerization processes take place in the HA changing their macromolecule or properties. The intensity of the delayed RCL was nonlinearly and suggested that complex radical formation mechanisms were still involved in the post-radiative reactions.

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Cover Journal of Radioanalytical and Nuclear Chemistry
Journal of Radioanalytical and Nuclear Chemistry
Print ISSN:
0236-5731
Online ISSN:
1588-2780

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Journal of Radionalytical and Nuclear Chemistry
Language English
Size A4
Year of
Foundation		 1968
Volumes
per Year		 1
Issues
per Year		 12
Founder Akadémiai Kiadó
Founder's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher		 Chief Executive Officer, Akadémiai Kiadó
ISSN 0236-5731 (Print)
ISSN 1588-2780 (Online)

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