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Fundamental study on aqueous solutions of 2-methyl-2-nitrosopropane as a spin trap. [/sup 60/Co]

Journal Article · · Radiat. Res.; (United States)
DOI:https://doi.org/10.2307/3575507· OSTI ID:6267679
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Several aspects of spin trapping with 2-methyl-2-nitrosopropane (MNP) were studied. Compounds produced from dimer MNP in aqueous solutions prepared for spin trapping were analyzed as t-butylnitrosohydroxylamine, t-butyl alcohol, and isobutene. The procedure for obtaining solutions containing the lowest concentrations of these products and the highest of monomer MNP with spin-trapping ability was established. The ESR signals of di-t-butyl-nitroxide in the light-irradiated aqueous MNP solution increased when the pH of the solution was raised. It was found that nitrous acid generated in the irradiated solution reacts with di-t-butylnitroxide and an unidentified compound, giving rise to a stable, positively charged diamagnetic intermediate. The production of the nitroxide from the intermediate caused by raising the pH might be relevant to the increase in ESR signals.
Research Organization:
Kyoto Univ., Japan
OSTI ID:
6267679
Journal Information:
Radiat. Res.; (United States), Journal Name: Radiat. Res.; (United States) Vol. 86:2; ISSN RAREA
Country of Publication:
United States
Language:
English

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Related Subjects

38 RADIATION CHEMISTRY, RADIOCHEMISTRY, AND NUCLEAR CHEMISTRY
400600* -- Radiation Chemistry
ALKANES
AQUEOUS SOLUTIONS
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
CHEMICAL RADIATION EFFECTS
CHEMICAL REACTIONS
CHEMISTRY
COBALT 60
COBALT ISOTOPES
DECOMPOSITION
DISPERSIONS
ELECTROMAGNETIC RADIATION
ELECTRON SPIN RESONANCE
GAMMA RADIATION
HYDROCARBONS
HYDROGEN COMPOUNDS
INORGANIC ACIDS
INTERMEDIATE MASS NUCLEI
INTERNAL CONVERSION RADIOISOTOPES
IONIZING RADIATIONS
ISOMERIC TRANSITION ISOTOPES
ISOTOPES
MAGNETIC RESONANCE
MINUTES LIVING RADIOISOTOPES
MIXTURES
NITROSO COMPOUNDS
NITROUS ACID
NUCLEI
ODD-ODD NUCLEI
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
PH VALUE
RADIATION CHEMISTRY
RADIATION EFFECTS
RADIATIONS
RADIOINDUCTION
RADIOISOTOPES
RADIOLYSIS
RESONANCE
SOLUTIONS
YEARS LIVING RADIOISOTOPES