Behavior of actinide containing glasses during gamma irradiation in a saturated tuff environment
Journal Article
·
· Materials Research Society Symposia Proceedings
OSTI ID:59839
The influence of gamma irradiation of the reaction of actinide doped SRL 165 and PNL 76-68 glasses in a saturated tuff environment has been studied in a series of tests lasting up to 56 days. The reaction, and subsequent actinide release, of both glasses depends on the dynamic interaction between radiolysis effects which cause the solution pH to become more acidic and glass reaction which drives the pH more basic. The use of large gamma irradiation dose rates to accelerate reactions that would occur in an actual repository radiation field may affect this dynamic balance by unduly influencing the mechanism of the glass-water reaction. Comparisons are made between the present results and data obtained by reacting the same or similar glasses using MCC-1 and NNWSI rock cup procedures. 11 references, 3 figures.
- Research Organization:
- Argonne National Lab., IL
- OSTI ID:
- 59839
- Journal Information:
- Materials Research Society Symposia Proceedings, Journal Name: Materials Research Society Symposia Proceedings Vol. 44; ISSN MRSPDH; ISSN 0272-9172
- Country of Publication:
- United States
- Language:
- English
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