Ion-Exchanged ZIF-67 Synthesized by One-Step Method for Enhancement of CO₂ Adsorption

Table 1

Co, Li, and Na content of parent ZIF-67 and ion-exchanged ZIF-67 measured by SEM-EDX and ICP-AES.

ZIFs	Co (wt%)		Li (wt%)		Na (wt%)
	EDX	ICP	EDX	ICP	EDX	ICP
Parent	9.22	28.24
Li-as-5	5.36	25.67	—	0.66
Na-as-5	6.50	26.15			3.46	1.94
Li-post-5	7.44	25.54	—	1.43
Na-post-5	6.94	24.08			7.08	4.36