Aqueous dissolution rate of nuclear waste glasses as a function of aqueous Si concentration and pH
Bibliographic record
Abstract
• Dissolution rate was measured for nuclear waste glasses as a function of aqueous Si concentration. • The dissolution tests were performed by using MCFT method with Si isotopes. • The glass dissolution rate decreased with an increase in the Si concentration at pH9. • The glass dissolution rate was increased slightly with an increase in the Si concentration at pH4. • The glass dissolution mechanism changes sensitively depending on pH. The aqueous dissolution rate was measured precisely for two kinds of reference nuclear waste glasses, ISG and P0798, as a function of aqueous Si concentration and pH of a solution by using the micro-channel flow-through test method with Si isotopes. The glass dissolution rate determined from the Si dissolution rate decreased with increasing aqueous Si concentration at pH 9. In contrast, the dissolution rate at pH 4 was not affected by the Si concentration or increased slightly with an increase in the Si concentration. Therefore, the glass dissolution mechanism with the altered surface properties depended sensitively on pH, causing large changes in the glass dissolution kinetics.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".