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Figure 4
Gas-adsorption isotherms of [Cu(im)2]-B: (a) N2 uptake at 77 K and (b) various gases at 293 K, closed symbols = adsorption while open symbols = desorption. (c) Optical micrograph of the [Cu(im)2]-B pellets, which measure 2 mm in diameter and ∼3–4 mm in length. (d) Gas-breakthrough measurements using a column packed with pelletized [Cu(im)2]-B and a CO2/N2 (15/85) gas mixture [total flow rate = 10 ml(STP) min−1].

IUCrJ
Volume 13| Part 6| November 2026|
ISSN: 2052-2525
https://doi.org/10.1107/S2052252526008912