Small angle neutron scatteirng investigations of water sorption in porous silica and ceria gels
References (28)
- et al.
J. Colloid Interface Sci.
(1973) - et al.
- et al.
- et al.
J. Colloid Interface Sci.
(1973) - et al.
J. Colloid Sci.
(1949) - et al.
J. Chem. Soc. Faraday Trans. 2
(1986)
Chem. Soc. Rev.
J. Chem. Soc. Faraday Trans. 1
J. Phys. Chem.
Cited by (34)
Monitoring adsorption by small angle neutron scattering in tandem with digital reconstruction-simulation techniques
2004, Colloids and Surfaces A: Physicochemical and Engineering AspectsAdvances in the study of methane storage in porous carbonaceous materials
2002, FuelCitation Excerpt :SAS is particularly useful to ‘observe’ the mechanism of gas adsorption. The experimental work done to the moment used an in situ SANS adsorption apparatus in the case of deuterated benzene and sub-atmospheric pressures [34,36,37] and water adsorption on micro and mesoporous oxides [38]. Relevant information was deduced regarding the adsorption mechanism of these vapours in the different ranges of porosity.
SANS investigations of adsorption mechanisms in model porous silicas
2002, Studies in Surface Science and CatalysisCitation Excerpt :In the second, controlled doses of liquid sorbate were injected with a calibrated Hamilton micro-syringe through a silicone rubber septum into rectangular quartz (Hellma) cells (path-length 2 mm), containing precisely weighed amounts of the outgassed samples at 298 K. Prior to dosing the samples were outgassed in-situ in the quartz cells at 398 K for approximately 8 hours in a vacuum oven (~ 10- 4 torr) and closed-off with the septum cap before exposure to ambient atmosphere. By using the same mass and packing density in the cells for a given series of samples it was thus possible to make quantitative comparisons of SANS data as previously demonstrated (1). In the experiments described here the volume of liquid adsorbate which was injected was sufficient to saturate the intra-granular mesopores.
In situ small angle neutron scattering study of CD<inf>4</inf> adsorption under pressure in activated carbons
2001, CarbonCitation Excerpt :SAS is particularly useful to ‘observe’ the mechanism of gas adsorption. The experimental work done at the moment used an in situ SANS adsorption apparatus in the case of deuterated benzene and sub-atmospheric pressures [10,12,13] and water adsorption on micro and mesoporous oxides [14]. Relevant information was deduced regarding the adsorption mechanism of these vapours in the different ranges of porosity.
Membrane characterisation by combination of static and dynamic techniques
2000, Membrane Science and TechnologyNeutron and ion beam scattering techniques
2000, Membrane Science and TechnologyCitation Excerpt :The increase in I(Q) at low Q, associated with changes in the interference peak, can be ascribed to the growth of an adsorbed film and annular meniscus at the points of sphere contact (60) (see Figure 12.a). Such changes have been described previously for the SANS during water uptake in this gel system (50). For P/P0 > 0.67 the changes become more marked and correspond to an enhanced uptake of benzene due to the development of capillary condensate at the sphere contact zones with increases in P/P0 (Figure 12.b).
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Present address: AWRE, Aldermaston, Berkshire, United Kingdom.