ADSORPTION-DESORPTION HYSTERESIS IN THE ADSORPTION-ISOTHERMS FOR KR AND XE ON EXFOLIATED GRAPHITE

Authors
KOSUGI T USUI Y ARAKAWA I
Citation
T. Kosugi et al., ADSORPTION-DESORPTION HYSTERESIS IN THE ADSORPTION-ISOTHERMS FOR KR AND XE ON EXFOLIATED GRAPHITE, Surface science, 287, 1993, pp. 862-865
Citations number
12
Categorie Soggetti
Chemistry Physical
Journal title
Surface science → ACNP
ISSN journal
00396028
Volume
287
Year of publication
1993
Part
B
Pages
862 - 865
Database
ISI
SICI code
0039-6028(1993)287:<862:AHITAF>2.0.ZU;2-4
Abstract
The adsorption/desorption hysteresis which appears in the adsorption i sotherm for Kr physisorbed on exfoliated graphite has a very character istic feature. A sharp transition at the termination of the hysteresis in the desorption branch of the isotherm suggests a first-order phase transition. The temperature dependence of the hysteresis for Kr and X e on exfoliated graphite was investigated. The origin of the hysteresi s of Kr is thought to be capillary condensation accompanied by a liqui d-solid phase transition.