Adsorption Capacities of Hygroscopic Materials Based on NaCl-TiO₂ and NaCl-SiO₂ Core/Shell Particles

Figure 2

SEM micrographs showing different obtained sizes of NaCl. Sequence 1: (a) commercial NaCl; (b) NaCl after using 2-propanol; and (c) NaCl obtained by centrifugation. Sequence 2: (a) and (b) followed by (d) NaCl obtained after filtration.

(a)

(b)

(c)

(d)