EFFECTS OF IONIZING RADIATIONS ON AQUEOUS SOLUTIONS OF FORMIC AND OXALIC ACID. Final Technical Report, November 1, 1961-November 1, 1962
Technical Report
·
OSTI ID:4090641
In aqueous solutions CO/sub 2/ and bicarbonate react with negatively charged polarons (H/sub 2/O)-- formed by the gamma irradiation of water, leading to formation of the carboxyl radical ion. In the presence of organic solutes, the carboxyl radical ion may add on to other free radicals, e.g., those formed by the action of radiation-produced OH radicals on organic solutes, to give the corresponding carboxylic acids. Using C/sup 14/ labeled carbon dioxide or bicarbonate, this process could provide a method for the production of carboxylic acids labeled in the carboxyl group. In neutral solutions two reducing species, i.e., negative polarons and primarily formed H atoms, were shown to be present in irradiated water; their reactions with various solutes were studied. All irradiations were carried out with Co/sup 60/ gamma rays. For irradiation of aqueous solutions in the presence and absence of different gases (O/sub 2/, CO/ sub 2/, N/sub 2/O) standard irradiation techniques were used. Analysis of the gaseous irradiation products was carried out by means of the mass-spectrometer. Other irradiation products were determined spectrophotometrically or by radioactive tracer techniques. (auth)
- Research Organization:
- King's Coll., Newcastle upon Tyne, England
- NSA Number:
- NSA-18-010139
- OSTI ID:
- 4090641
- Report Number(s):
- AD-403358
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
ABSORPTION
ACIDITY
CARBON 14
CARBON DIOXIDE
CHEMICAL REACTIONS
CHEMISTRY
COBALT 60
DECOMPOSITION
FORMIC ACID
FREE RADICALS
GAMMA RADIATION
GAMMA SOURCES
GASES
HYDROGEN
HYDROXIDES
IONIZATION
IONS
IRRADIATION
LABELLED COMPOUNDS
LIGHT
MASS SPECTROMETERS
NITROGEN OXIDES
OPERATION
ORGANIC COMPOUNDS
OXALIC ACID
OXYGEN
PHOTOMETRY
PREPARATION
QUANTITATIVE ANALYSIS
RADIATION CHEMISTRY
RADIOLYSIS
SOLUTIONS
SPECTROSCOPY
TRACER TECHNIQUES
USES
WATER
ACIDITY
CARBON 14
CARBON DIOXIDE
CHEMICAL REACTIONS
CHEMISTRY
COBALT 60
DECOMPOSITION
FORMIC ACID
FREE RADICALS
GAMMA RADIATION
GAMMA SOURCES
GASES
HYDROGEN
HYDROXIDES
IONIZATION
IONS
IRRADIATION
LABELLED COMPOUNDS
LIGHT
MASS SPECTROMETERS
NITROGEN OXIDES
OPERATION
ORGANIC COMPOUNDS
OXALIC ACID
OXYGEN
PHOTOMETRY
PREPARATION
QUANTITATIVE ANALYSIS
RADIATION CHEMISTRY
RADIOLYSIS
SOLUTIONS
SPECTROSCOPY
TRACER TECHNIQUES
USES
WATER