Fig. 13

SEM analysis was used to monitor the mineral phase in the GR-CB at 4370 days, (a) SEM image of GR-CB11, (b) SEM image of GR-CB1, (c) EDX of GR-CB11, (ç) EDX of GR-CB1, (d) SEM image of GR-CB11 in detail, (e) XRD analysis of GR-CB11, and (g) XRD analysis of GR-CB1.