Authors:
N. Joshi Nagpur University Department of Chemistry 440010 Nagpur (India)

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S. Dhoble Nagpur University Department of Physics 440010 Nagpur (India)

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V. Natarajan Bhabha Atomic Research Centre Radiochemistry Division Trombay 400 085 Bombay (India)

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A. Garg Nagpur University Department of Chemistry 440010 Nagpur (India)

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Abstract  

Gamma-radiolysis of KNO3 in the matrix of some sulfates, viz. Na2SO4, K2SO4, KNaSO4, KNaSO4: Eu, KNaSO4: Ce, K3Na(SO4)2, K3Na(SO4)2: Eu and K3Na(SO4)2: Ce has been studied at an absorbed dose of 30 kGy.G(NO 2 ) values calculated on the basis of electron fraction in all the sulfates are enhanced significantly. It is also affected by the nature of outer cation and the dopant lanthanide. Electron spin resonance (ESR) and thermoluminescence (TL) measurements show the formation of radical species SO 4 , SO 3 , O 3 , O 2 upon -irradiation. It is proposed that there radical species may transfer energy and interact with the radical species of nitrate (NO 32– , NO2, NO3 etc.) so as to enhance the decomposition. A possible mechanism has been proposed.

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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)