Table 2 Monolith gel thicknesses determined by different analytical techniques (TEM, ICP, ToF-SIMS and SE)

From: Impact of B and Al on the initial and residual dissolution rate of alumino-boro-silicate glasses. Part II: gel properties

Altered thickness (nm)

TEM

Eth(B)

Eth(B)-Eth(Al)

ToF-SIMS

SE

B6A4

-

77 ± 23

10 ± 36

3 ± 1

-

B11A3

-

547 ± 44

457 ± 62

503 ± 17

538 ± 60

B14A3

-

890 ± 71

812 ± 87

806 ± 31

839 ± 20

B11A6

-

151 ± 15

74 ± 23

77 ± 7

71 ± 20

B10A2

70 ± 3

148 ± 15

92 ± 32

114 ± 21

148 ± 20

B10A1

235 ± 19

460 ± 37

274 ± 92

258 ± 74

207 ± 20

  1. The thicknesses determined by ICP are determined from (i) the equivalent thicknesses calculated from the release of boron in solution (EThB), and (ii) aluminum equivalent thicknesses (EThAl) subtracted to EThB to account for gel dissolution.