Table 1
Chemical composition of the studied vitreous oxide materials.
| Material | Oxide composition (% mol) | ||
|---|---|---|---|
|
|
|||
| SiO2 | PbO | Na2O | |
| A2 | 50.0 | 15.4 | 34.6 |
| A3 | 52.0 | 18.0 | 30.0 |
| A5 | 54.0 | 20.7 | 25.3 |
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