Table 1.
Sample | Planned (in the crosslinking agent solution) | XPS elemental analysis (in samples) | |
---|---|---|---|
|
|
||
Mass ratio of CaCl2:ZnCl2 | Molar ratio of Ca2+:Zn2+ | Molar ratio of Ca:Zn | |
CHA-0 | 0:1 | 0:1 | 0:1 |
| |||
CHA-H | 1:1 | 1:1.23 | 1:1.31 |
| |||
CHA-M | 1:3 | 1:3.68 | 1:3.48 |
| |||
CHA-L | 1:7 | 1:8.58 | 1:6.73 |