| Autor: |
V.M. Oversby, D.L. Phinney |
| Rok vydání: |
1992 |
| Předmět: |
|
| Zdroj: |
Journal of Nuclear Materials. 190:247-268 |
| ISSN: |
0022-3115 |
| DOI: |
10.1016/0022-3115(92)90089-4 |
| Popis: |
A series of experiments were conducted to investigate the rate of formation of reaction layers on samples of simulated SRL-165 nuclear waste glass with as-cast surfaces. Reaction times from 1 to 91 days at 90°C were used with deionized water or sodium silicate solution as the leachant. Results are presented for the leaching solutions at the end of the reaction periods as well as for the chemical composition of the reaction layer developed on the glass. Layers developed in silicate solution were thin, simple in structure, and very reproducible from place to place on the same sample and between samples reacted for the same time period. In contrast, layers developed in deionized water were complicated in structure and showed extreme variability even within a single sample. Mass-balance calculations show that dissolution of the glass continues even though the alteration layer adheres firmly to the glass. |
| Databáze: |
OpenAIRE |
| Externí odkaz: |
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