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Silica interfaces, organic liquid

The Wettability of Ethyl- and Vinyltriethoxysilane Films Formed at Organic Liquid Silica Interfaces... [Pg.46]

The present paper describes the adsorption of ethyltriethoxysilane (ETES) and vinyltriethoxysilane (VTES) at various organic-liquid/silica interfaces. Films formed by these compounds on silica and glass from solution in nonpolar organic liquids were found to be oleophobic and so could be isolated by retraction that is, the substrate on which the films had been formed emerged dry from the solution, thus allowing direct examination of the adsorbed layer. [Pg.47]

THE WEHABIUTY OF ETHYL- AND VINYL-TRIETHOXYSILANE FILMS FORMED AT ORGANIC-LIQUID/SILICA INTERFACES. [Pg.186]

Venkastewara Rao A, Hegde ND, Hrrashima H (2007) Absorptitm and desorption of organic liquids in elastic superhydrophobic silica aerogels. J Colloid Interface Sci 305 124—132... [Pg.43]

Figure 22-18 shows tin electrospray interface for capillary electrophoresis. The silica capillary is contained in a stainless steel capillary held at the required outlet potential for electrophoresis. The steel makes electrical contact with the liquid inside the silica by a liquid sheath flowing between the capillaries. The sheath liquid, which is typically a mixed organic/ aqueous solvent, constitutes —90% of the aerosol. [Pg.490]

In supported-liquid-phase catalysis (SLPC) a metal complex is dissolved in a thin film of polar solvent (usually water) adsorbed on a high-surface-area hydrophilic support such as silica or controlled-pore glasses [40]. The resulting catalyst is placed in contact with a water-immiscible liquid phase containing the reactants and the reaction occurs at the aqueous-organic interface. The catalyst can be recovered by filtration. [Pg.9]

The newly developed solid-phase microextraction (SPME) technique, first reported by Pawliszyn in 1989, is increasingly used for the gas chromatographic determination of a wide variety of volatile and semivolatile organic compounds in water or aqueous extracts of different substrates. Basically, it involves the extraction of specific organic analytes directly from aqueous samples or from the headspace of these samples in closed vials. The extraction is achieved onto a fused-silica fiber coated with a polymeric liquid phase. After equilibration, the fiber containing the absorbed or adsorbed analyte is removed and thermally desorbed in the hot injector port of a gas chromatograph or in an appropriate interface of a liquid chromatograph. ... [Pg.427]

See other pages where Silica interfaces, organic liquid is mentioned: [Pg.47]    [Pg.49]    [Pg.51]    [Pg.53]    [Pg.57]    [Pg.59]    [Pg.61]    [Pg.63]    [Pg.65]    [Pg.67]    [Pg.69]    [Pg.47]    [Pg.49]    [Pg.51]    [Pg.53]    [Pg.57]    [Pg.59]    [Pg.61]    [Pg.63]    [Pg.65]    [Pg.67]    [Pg.69]    [Pg.71]    [Pg.578]    [Pg.268]    [Pg.76]    [Pg.500]    [Pg.11]    [Pg.720]    [Pg.258]    [Pg.33]    [Pg.259]    [Pg.60]    [Pg.1217]    [Pg.136]    [Pg.161]    [Pg.27]    [Pg.94]    [Pg.62]    [Pg.327]    [Pg.516]    [Pg.720]    [Pg.615]    [Pg.6]    [Pg.961]    [Pg.551]    [Pg.91]    [Pg.259]    [Pg.526]    [Pg.49]    [Pg.326]    [Pg.4503]   
See also in sourсe #XX -- [ Pg.38 ]



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