Table 4 ΔNBO/T, concentrations of total OH groups, SiOH, and unknown OH groups
|  | H2OTOT(Raman) | [OH] | ΔNBO/T (Raman) | [SiOH] (Raman) | [Unknown OH] (Raman) | ΔNBO/T (NMR) | [SiOH] (NMR) | [Unknown OH] (NMR) |
|---|---|---|---|---|---|---|---|---|
LS4 | 3.08 (60) | 2.11 (35) | 0.02 (5) | 0.63 (1.25) | 1.47 (3.41) | - | - | - |
10.09 (60) | 4.56 (70) | −0.05 (5) | 0.00 (−) | 4.56 (1.27) | - | - | - | |
18.74 (60) | 6.26 (94) | −0.04 (5) | 0.00 (−) | 6.26 (1.57) | 0.07 (1) | 2.77 (16) | 3.49 (95) | |
NS4 | 3.44 (67) | 3.85 (40) | 0.08 (5) | 3.24 (66) | 0.61 (77) | - | - | - |
9.46 (67) | 7.35 (63) | 0.13 (5) | 5.02 (43) | 2.33 (76) | - | - | - | |
17.54 (67) | 9.52 (80) | 0.18 (5) | 7.28 (30) | 2.24 (85) | 0.18 (1) | 7.17 (5) | 2.35 (80) | |
KS4 | 3.98 (74) | 3.98 (70) | 0.04 (4) | 1.42 (1.22) | 2.56 (40) | - | - | - |
9.46 (74) | 8.89 (70) | 0.15 (5) | 5.88 (32) | 3.01 (77) | - | - | - | |
15.95 (74) | 13.65 (70) | 0.30 (5) | 12.08 (19) | 1.57 (72) | 0.34 (2) | 13.63 (7) | 0.02 (70) |