Table 1 Comparison of the chromatographic separation factors (α) for xylene isomers in different MOFs.

From: Refinement of pore size at sub-angstrom precision in robust metal–organic frameworks for separation of xylenes

MOFs

Pore dimensions (Å)

Temperature (K)

αo/p

αm/o

αm/p

MFM-300(In)

7.4

293

1.6

2.9

4.6

MFM-300(V)

7.0

293

5

3

15

MFM-300(Fe)

6.8

293

3

6

18

MFM-300(Al)

6.5

293

1.0

MFM-300(In)(V)

293

2.4

2.8

6.7

MIL-125(Ti)-NH228

10.7

298

0.45a

1.0a

0.33a

UiO-66(Zr)32

11

313

1.4

0.8

1.1

MIL-53(Fe)22

8.4

293

3.5

0.8

2.6

MIL-47(V)34

7.9

298

1.4b

0.5b

0.4b

MIL-53(Al)ht34

8.5

298

3.5b

0.37b

1.2b

MIL-101(Cr)35

22

293

2.7

0.54

1.5

  1. aCalculated from binary breakthrough curves.
  2. bCalculated from binary batch uptake experiments (0.028 m).