KINETICS OF RADIO-OXIDATION OF CYSTINE IN AQUEOUS SOLUTIONS
Journal Article
·
· Chemicke Listy (Czechoslovakia)
OSTI ID:4216099
Soft x rays (50 kv) accelerate oxidation or cystine (I) in solution, in the presence of O/sub 2/ of the air. Decrease of I, which is oxidized probably to disulfoxide, was studied by the authors by the polarographic method in ammoniacal solutions of CoCl/sub 2/. Kinetics of radiooxidation was measured in the case or l0/sub -3/--10/sup -6/ M solutions of I at dosage rates of 33 roentgens/second. The graph representing the ratio of reaction yield G at pH 3 to the initial concentration has the configuration of a parabola, i.e., G is approximately proportional to the square root of the concentration of I. At dosages exceeding l8 x 10/sup 17/ ev/ml, deviations from this correlation occur, which are attributed to regeneration of I from the disulfoxide.
- Research Organization:
- Originating Research Org. not identified
- NSA Number:
- NSA-13-022009
- OSTI ID:
- 4216099
- Journal Information:
- Chemicke Listy (Czechoslovakia), Journal Name: Chemicke Listy (Czechoslovakia) Vol. Vol: 51; ISSN CHLSA
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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Journal Article
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Related Subjects
ACIDITY
AIR
AMINO ACIDS
AMMONIA
CHEMISTRY
COBALT CHLORIDES
CYSTINE
DIAGRAMS
EFFICIENCY
ENERGY
EQUATIONS
MEASURED VALUES
ORGANIC SULFUR COMPOUNDS
OXIDATION
OXYGEN
POLAROGRAPHY
PROTEINS
QUALITATIVE ANALYSIS
QUANTITY RATIO
RADIATION CHEMISTRY
RADIATION DOSES
RADIATION EFFECTS
REACTION KINETICS
SOLUTIONS
SULFUR OXIDES
TRANSLATIONS
WATER
X RADIATION
AIR
AMINO ACIDS
AMMONIA
CHEMISTRY
COBALT CHLORIDES
CYSTINE
DIAGRAMS
EFFICIENCY
ENERGY
EQUATIONS
MEASURED VALUES
ORGANIC SULFUR COMPOUNDS
OXIDATION
OXYGEN
POLAROGRAPHY
PROTEINS
QUALITATIVE ANALYSIS
QUANTITY RATIO
RADIATION CHEMISTRY
RADIATION DOSES
RADIATION EFFECTS
REACTION KINETICS
SOLUTIONS
SULFUR OXIDES
TRANSLATIONS
WATER
X RADIATION