Fig. 7From: Synthesis, characterization and application of a zirconium-based MOF-808 functionalized with isonicotinic acid for fast and efficient solid phase extraction of uranium(VI) from wastewater prior to its spectrophotometric determinationN2 adsorption–desorption of MOF-808 and INA@MOF-808 at 77 K (a) and pore size distribution of INA@MOF-808 calculated using DFT Model compared with MOF-808 (showed as insert) (b)Back to article page