THE RADIATION-INDUCED DECOMPOSITION OF MILLIMOLAR CONCENTRATIONS OF HYDROGEN PEROXIDE IN AERATED 'PURE WATER',

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Abstract:

The decomposition of hydrogen peroxide in aerated pure water was studied as a function of dose and initial hydrogen peroxide concentration, H2O20, in the 1 to 100 millimolar concentration region. Irradiations were performed with a 2000-curie Co60 source at a dose rate of 12.8 kilorads per minute. The decomposition of hydrogen peroxide was found to follow firstorder kinetics with respect to peroxide in the 1 to 100 millimolar concentration range. The specific peroxide decomposition rate constant was observed to decrease with an increase in initial peroxide concentration. The decomposition yield of hydrogen peroxide, G -H2O2, at a given dose was found to increase significantly with increasing initial peroxide concentration and to be proportional to the square root of the initial peroxide concentration up to about 40 millimolar peroxide. The peroxide decomposition yield for a given initial peroxide concentration was observed to decrease continually during irradiation. The rate of decrease was found to be greater for higher initial concentrations of peroxide. Author

Author(s):
Balkwell, William R. ; Oldham, Susan B.
Author Organization(s):
NAVAL RADIOLOGICAL DEFENSE LAB SAN FRANCISCO CALIF
Annotation:
Radiation-induced decomposition of millimolar concentrations of hydrogen peroxide in aerated 'pure water'.
Pagination:
0023

Security Markings

DOCUMENT & CONTEXTUAL SUMMARY

Distribution:
Approved For Public Release

RECORD

Collection: TR
Identifying Numbers
Report Number(s):
USNRDL-TR-903
Task Number(s):
11275
Project Number(s):
SF011 01 03
 Subject Terms
Communities of Interest:
No COI(s) Identified
Descriptor(s):
(*HYDROGEN PEROXIDE, DECOMPOSITION), (*RADIATION CHEMISTRY, HYDROGEN PEROXIDE), WATER, IMPURITIES, REACTION KINETICS, DOSE RATE
Report Date:
1965 Aug 19