Table 1 Alteration layer thickness on corroded ISG coupons.

From: Hydrogen bonding interactions of H2O and SiOH on a boroaluminosilicate glass corroded in aqueous solution

Samples

Thickness by XPS (nm)

Thickness by SE (nm)

7 days, pH 7

750

725 ± 24

7 days, pH 9

150

177 ± 3

2046 days, pH 7

2400

2049 ± 8

2046 days, pH 9

300

278 ± 5

  1. The uncertainty in XPS depth profiling is ~10%
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