Glass | nom. mol % H2O | Conditions of synthesis | FTIR values | RAMAN | ||||
---|---|---|---|---|---|---|---|---|
A4200 | A5200 | [OH] | [H2Omol] | [H2OTOT] | [H2OTOT] | |||
LS4 | 3.28 | 1650 °C | 151 (12) | 93 (9) | 2.11 (35) | 1.04 (22) | 3.15 (41) | 3.08 (60) |
9.40 | 1.5Â GPa | 325 (18) | 452 (21) | 4.56 (70) | 5.06 (42) | 9.61 (81) | 10.09 (60) | |
17.64 | 447 (21) | 1109 (33) | 6.26 (94) | 12.42 (55) | 18.68 (1.09) | 18.74 (60) | ||
NS4 | 3.28 | 1500 °C | 155 (12) | 3 (2) | 3.85 (40) | 0.07 (3) | 3.92 (40) | 3.44 (67) |
9.40 | 1.5Â GPa | 301 (17) | 86 (9) | 7.35 (63) | 1.89 (20) | 9.24 (66) | 9.46 (67) | |
17.64 | Â | 403 (20) | 440 (21) | 9.52 (80) | 9.35 (60) | 18.87 (1.00) | 17.54 (67) | |
KS4 | 3.28 | 1550 °C | - | - | 3.98 (70)a | 0.00 (0)a | - | 3.98 (74) |
9.40 | 1.5Â GPa | - | - | 8.89 (70)a | 0.73 (7)a | - | 9.62 (74) | |
17.64 | Â | - | - | 13.65 (70)a | 2.30 (24)a | - | 15.95 (74) |