Table 1 Composition of the studied glasses analysed by ICP-AES after complete dissolution in acid (HF + HCl + HNO3), expressed in mol% and wt% of oxide alongside densities (SA/V = 2,5 cm−1, acetic acid 4%, pH = 2.4, 70 °C, 470 days)
From: Surface treatments on commercial glasses: durable impact on the retention of lead, barium and boron
Glass A (Lead crystal) | Glass B (Barium glass) | Glass C (Soda-lime) | Glass D (Borosilicate) | Glass O (Opal) | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
oxide | mol% | wt% | mol% | wt% | mol% | wt% | mol% | wt% | mol% | wt% |
SiO2 | 77.1 | 56.7 | 74.2 | 70.0 | 70.9 | 70.3 | 82.1 | 79.7 | 73.6 | 71.3 |
B2O3 | 10.7 | 12.0 | ||||||||
Na2O | 0.8 | 0.6 | 8.3–10.3 | 8.0–10.3 | 13.0–15.0 | 13.0–15.0 | 5.6 | 5.6 | 11.9 | 12.0 |
Al2O3 | <1.3 | <2.0 | <1.3 | <2.0 | 1.6 | 2.6 | ||||
CaO | 9.0–11.0 | 8.0–10.0 | 9.0–11.0 | 8.0–10.0 | 4.8 | 7.9 | ||||
MgO | 2.0–4.0 | 4.0 | 2.2 | 2.0 | ||||||
ZnO | 0.2 | 0.3 | ||||||||
BaO | 0.5–2.5 | 4.0–6.0 | <1.0 | <2.0 | 0.8 | 2.0 | ||||
K2O | 11.3 | 13.0 | 2.5–4.5 | 4.0–6.0 | <1.0 | <2.0 | 1.0 | 1.5 | ||
PbO | 10.6 | 29.0 | ||||||||
Sb2O3 | 0.2 | 0.7 | ||||||||
SO2 | 0.1 | 0.1 | ||||||||
F2 | 5.7 | 3.5 | ||||||||
Density (g/cm³) | 3.03 | 2.57 | 2.52 | 2.27 | 2.41 | |||||
