Heats of adsorption of carbon monoxide on bone mineral and on thorium oxide by gas-solid chromatography

Gas chromatography

“…The heats and entropies of adsorption of ortho-and para-hydrogen on alumina (726) were evaluated, as were the heats of adsorption of CO on bone mineral and thorium oxide (683) ; the latter research indicating that the pulse method gives results somewhat in error in cases where the isotherms fail to conform to Henry's law. The thermodynamic behavior of primary, secondary, and tertiary C1-Cb alcohols on Carbowax 400 was interpreted in terms of the activity ccefficients, thermodynamic excess function, and the Flory-Huggins theory (103).…”

“…From thermodynamic studies of some cyclic olefins and aromatic hydrocarbons on BaSCh, the isosteric heats of adsorption and iso-therms were derived (79). Oxide adsorbents studied have shown chemisorption on ZnO (927), multilayer adsorption of alcohols on MgO (908), 02-N2 separation and reversible H2 adsorption on Cr2Os (846, 949), C02 and S02 on alkaline earth metal oxides (721), and thorium oxide (683). The mineral, attapulgite, may be found in Georgia (USA) and in India and was examined as an adsorbent and found to have a large external surface area, high porosity, and zeolitic properties (622).…”