Physical adsorption of carbon tetrachloride on as-produced and on mechanically opened single walled carbon nanotubes

Carbon nanotubes as adsorbents in environmental pollution management: A review

“…For as-produced CNTs, both ends are generally closed, the first step of adsorption occurs in the grooves between adjacent tubes on the perimeter of the bundles and the largest accessible interstitial channels, as observed for Kr and CH 4 [38], but bigger molecules such as Xe and SF 6 only occurs in the grooves [39]. The second step can be assigned to the adsorption on the convex external walls [47]. For purified opened CNT bundles, adsorption proceeds firstly by the population of the walls inside Note: √ means that the factor has an effect on sorption properties of CNTs.…”

Encapsulation of gases in powder solid matrices and their applications: A review

“…However, manometric technique is based on the changes in pressure of gas in chamber with known volume containing solid matrices while the gravimetric method is performed by measuring change in the mass of solid matrices kept in a gas chamber with a very sensitive balance [51]. The use of these methods to study gas adsorption equilibrium of various solid matrices has widely been reported [7], [52], [53], [54], [55], [56], [57], [58], [59], [60], [61], [62], [63].…”

Accessibility of Nanotube Inner Channels Investigated by Krypton Adsorption

“…The experimental adsorption setup is described elsewhere. [6][7][8] The SWCNT samples were maintained at 77.3 K during experiments. Pressure determinations were performed in an apparatus equipped with McLeod gauges allowing measurements between 10 -4 and 1300 Pa.…”