Fig. 3
From: Chemical durability of peraluminous glasses for nuclear waste conditioning

Residual rates in pure water. a Evolution as a function of time of the equivalent alteration thicknesses of Si, B, Al, and Na in G0.40Nd4C glass under static conditions (T = 90 °C and S/V = 200 cm−1). b Time evolution of the pH measured at 90 °C